EP2530219B1 - Arrangement d'un élément d'échafaudage et d'un composant d'échafaudage et procédé de fixation d'un composant d'échafaudage sur un élément d'échafaudage vertical - Google Patents

Arrangement d'un élément d'échafaudage et d'un composant d'échafaudage et procédé de fixation d'un composant d'échafaudage sur un élément d'échafaudage vertical Download PDF

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Publication number
EP2530219B1
EP2530219B1 EP12170282.3A EP12170282A EP2530219B1 EP 2530219 B1 EP2530219 B1 EP 2530219B1 EP 12170282 A EP12170282 A EP 12170282A EP 2530219 B1 EP2530219 B1 EP 2530219B1
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EP
European Patent Office
Prior art keywords
wedge
slot
vertical
head
projection
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Application number
EP12170282.3A
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German (de)
English (en)
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EP2530219A1 (fr
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Wilhelm Layher Verwaltungs GmbH
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Wilhelm Layher Verwaltungs GmbH
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Publication of EP2530219A1 publication Critical patent/EP2530219A1/fr
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G7/00—Connections between parts of the scaffold
    • E04G7/02—Connections between parts of the scaffold with separate coupling elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G7/00—Connections between parts of the scaffold
    • E04G7/30—Scaffolding bars or members with non-detachably fixed coupling elements
    • E04G7/302—Scaffolding bars or members with non-detachably fixed coupling elements for connecting crossing or intersecting bars or members
    • E04G7/306—Scaffolding bars or members with non-detachably fixed coupling elements for connecting crossing or intersecting bars or members the added coupling elements are fixed at several bars or members to connect
    • E04G7/307—Scaffolding bars or members with non-detachably fixed coupling elements for connecting crossing or intersecting bars or members the added coupling elements are fixed at several bars or members to connect with tying means for connecting the bars or members
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G7/00—Connections between parts of the scaffold
    • E04G7/30—Scaffolding bars or members with non-detachably fixed coupling elements
    • E04G7/32—Scaffolding bars or members with non-detachably fixed coupling elements with coupling elements using wedges
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/30—Laterally related members connected by latch means, e.g., scaffold connectors

Definitions

  • the invention relates to an arrangement of a vertical framework element and a framework component, according to the preamble of claim 1.
  • the invention also relates to a method for fastening a scaffold component having at least one connection head and a wedge to a vertical scaffolding element extending in the direction of a longitudinal axis according to the preamble of claim 10.
  • connection nodes of a modular scaffold For example from the DE 24 49 124 A1 , of the EP 0 423 514 A2 , of the EP 0 276 487 A2 , of the DE 198 06 093 and the EP 0 936 327 A1 go framework structures with connection nodes of a modular scaffold, the stems are mounted in the axial direction in a pitch spaced perforated disks to connect scaffolding components in the form of connection, holding and / or support elements, such as longitudinal bars, crossbar and / or diagonals ,
  • Such a modular framework has been known for many years as the LAYHER Allround scaffolding system.
  • the connection nodes or framework nodes of this modular framework are also known as LAYHER Allround Force Nodes.
  • connection heads having scaffolding components, in particular rod elements, such as scaffold tubes or scaffolding bars, and the scaffolding posts provided with the perforated discs.
  • These terminal heads have an upper header and a lower header and a horizontal slot extending therebetween which is open forward and to the sides.
  • the upper head part has an upper wedge opening and the lower head part has a lower wedge opening for a wedge which can be inserted through the wedge openings.
  • the made of flat material, especially steel, existing wedge is permanently connected to the connection head.
  • the wedge on its lower wedge end on a captive in the form of a rivet, which has laterally over the flat side surfaces of the wedge protruding rivet heads.
  • the Flachrundniet can be riveted by machine, while the blind rivet can be preferably riveted by hand.
  • the upper wedge opening of the upper head part is as a longitudinal slot designed with a slot width which is only slightly larger than the thickness of the inserted with its lower wedge end by the upper wedge opening wedge.
  • the rivet projects laterally with its rivet heads in a rivet width beyond the wedge, which is greater than the slot width of the longitudinal slot of the upper wedge opening.
  • the wedge can not be pulled upwards out of the connection head, but only up to a stop of the rivet heads on an inner boundary surface of an upper wall part of the upper head part of the connection head.
  • the lower wedge opening of the lower head part is larger than the upper wedge opening of the upper head part, and so large that the lower wedge end can be easily inserted with the rivet fastened there through the lower wedge opening.
  • connection head to a perforated disc of a scaffold handle, if this is not the case, first the wedge in the vertical direction pulled upwards and then back toward an upper outer surface of the scaffold component, in particular on an upper outer surface of a fixed to the Connection head connected rod element or scaffold tube, such as a scaffold bar, pivoted, preferably until the wedge abuts against said outer surface, so that the wedge is in a rearwardly folded mounting position.
  • the wedge remains in a subsequent attachment of the scaffold component with its connection head on the perforated disc in said mounting position, in which the connection head are pushed in a substantially horizontal mounting direction without a blockage by the wedge on the perforated disc to a plug-on position can, in which the wedge openings of the connection head are perpendicular to the perforated disc, so that then the wedge, after its pivoting from the said mounting position into a vertical insertion position, due to gravity can go down, either immediately through an opening in the perforated disc and through the lower wedge opening in a locking position or initially on the top of the perforated disc, so that after subsequent displacement of the connection head on the perforated disc, into a sliding position, in which the lower wedge end of the wedge comes into coincidence with an aperture of the perforated disc, the wedge can then gravitationally pass through this opening and through the lower wedge opening in a locking position.
  • connection head In the respective locking position of the connection head by means of the wedge is positively locked with the perforated disc against unintentional release in all directions releasably locked.
  • the wedge can be wedged by means of a hammer blow from above on its upper hemming surface such that the connection head on itself on the outer surface of the scaffold support front bearing support surfaces of its upper head and its lower headboard with the scaffold and the wedge, with the perforated disc is clamped.
  • connection heads it is possible not to retract the wedge to the rear in said mounting position after being pulled out to an upper extraction position in which the rivet abuts against said inner surface of the upper wall portion of the upper head portion pivot, but to pivot the wedge forward in a position in which the upper wedge end is above the connection head or on the front bearing support surfaces forward out. Due to the lever conditions that occur, the wedge can be caused by gravity and due to frictional forces remain in this forward pivoted position, provided that the scaffold member is held with the connection head in a substantially horizontal position.
  • the wedge In this forwardly pivoted position, the wedge is supported on the one hand with a then lower wedge end face on an upper wall portion of the upper head portion of the connection head on a front first support point and on the other hand, based on this offset to the rear, at an inner rear second support point via its rivet or via its rivet heads on an inner wall of the upper head portion of the connection head from. It is also possible in practice for a part of these connecting heads, when the wedge is in such a forwardly pivoted position, with its lower and in this position rear wedge end to or on a rear wedge opening bounding the rear, to support transverse to the Aufsteckraum extending inner support bar. This support bar limits the wedge receiving space of the connection head to the front to prevent the wedge from slipping down when the connection head is not plugged onto a perforated disc and when the wedge is inserted through both wedge openings.
  • connection heads For in a case in which one would try one of the known from the prior art connection heads with his wedge in a forward over or in front of the Attaching the terminal head projecting position to a perforated disc of a scaffold post in a practical manner would, after contact of the wedge with its upper and in this position front wedge end with the outer surface of the scaffold and a continued movement of the terminal head with the so forward projecting Wedge in the radial direction of the scaffold stem, the wedge, before the connection head has reached the perforated disc, gravity fall with its lower end of the wedge down, with the result that the then fallen below crossing the horizontal slot wedge plugging the connection head block with his slit on the perforated disc and therefore would make impossible.
  • connection head with the aim of subsequent locking of the connection head with the perforated disc by means of the inserted through an aperture of the perforated plate wedge, not without a prior pulling up of the wedge to above its slot would be possible.
  • the fitter would have to stay in a limited by his personal grip length maximum distance from the perforated disc, ie near the perforated disc on which the connection head is to be plugged in to pull the wedge up there can. This would make it impossible or at least difficult to assemble the scaffolding components from a secured position. For the rest, the fitter would have to do another attempt on Aufsteck T.
  • the previously known scaffold component with connection heads which are designed the same or similar as disclosed in the above-mentioned publications, with their connection heads exclusively under application a mounting method attached to the perforated discs, in which before attaching the connection head on the perforated disc of the wedge, as described above, first transferred to a rearwardly pivoted mounting position, and only then and in this mounting position of the wedge, the scaffold component with its connection head with its slot ahead, is placed on the perforated disc, and in which, after attaching the connection head to the perforated disc, the fitter, in a limited by his personal grip or arm length maximum distance from the perforated disc, the wedge must manually swing back into a vertical position, from where the wedge due to gravity can get into its locking position.
  • these previous scaffolding components especially scaffold bars or railing struts, no secured Vortex, especially no leading railing, starting from a secured position of the mechanic possible.
  • a scaffold node with cross brace and stand known protrudes from the outer surface of which at least one radially extending to the stator axis projection in the form of a recesses having perforated disc.
  • a scaffold component such as a strut
  • the strut has at least one of its ends a wedge-shaped hook projecting transversely to the longitudinal axis of the strut on its outer surface. With this hook, the strut can be mounted in a recess of the perforated disc by the hook is inserted in a downwardly projecting position in the vertical direction from top to bottom in and through the recess.
  • a detachable wedge is provided, which relative to the Hook is displaceable in the vertical direction.
  • This wedge protrudes before the full insertion of the hook into a recess of the perforated disc over the contour of the hook down and laterally, so that this wedge end during vertical insertion of the hook into the recess on an edge of the recess or on the top of the perforated disc in a region adjacent to the recess for abutment, and wherein the wedge end is pushed upwards upon further insertion of the hook, and at the same time moved transversely relative to the hook, to a wedge position, in which said lower wedge end of the wedge, the recesses can happen and after passing through the recess can move laterally into a spread, in which a vertical or vertical movement of the strut end is locked up through the recess.
  • the strut can be inserted from its end facing away from the scaffolding node from above, vertically down into the recesses of the hole disc fixed to the stand, wherein the wedge in his insertion of the hook into the recess permitting insertion position by its impact on the recess surrounding edge portion of the perforated disc moves.
  • the wedge moves by gravity or by pressure or shock on its upper end in a locking position in which it protrudes so far from the hook profile that in this spread position hook and wedge in an upward movement not through the recess can pass through and the wedge can only be moved out of this spread position by a force acting on it, for example, by a hammer blow from below on the lower end of the wedge.
  • the fitter can first hook the strut with the hook in the recess, so that the strut is already provisionally held in this position and possibly the scaffolding section is accessible, after which then falls by pushing the strut end in a horizontal direction to the stand of the wedge by gravity down.
  • the strut In the transitional phase in which the strut is only temporarily locked to the perforated disk via the hook inserted through a recess of the perforated disk, however, the strut can be lifted upwards again unhindered from the perforated disk. In the worst case, there may be an unintentional or accidental lifting of the only provisionally detained strut. This is a significant security problem.
  • this construction and the associated fastening method is not or not readily applicable to scaffolding components and methods for their attachment, as disclosed in the publications mentioned above.
  • the connector comprises a connection head made of a metal strip with a wedge.
  • the connection head is attached by means of the wedge in a conventional manner to a perforated disc.
  • a scaffold post and a scaffolding element for example a crossbeam
  • Attached to the scaffold post is an upwardly open connector cup which has a cup rim extending vertically upwardly about the scaffold post, such that between the vertical cup rim and the scaffold post, a continuous upward expanding vertical annular gap is formed.
  • the scaffolding element has at one end a clamping member with a front vertical hanging nose and with a front of this limited vertical slot in which a locking member for fixing the scaffold element by means of its clamping member on the connection cup is mounted displaceably guided in the vertical direction.
  • the attachment nose of the clamping member is used for vertical suspension of the scaffold element in the vertical annular gap of the connection cup and for attachment of the scaffold element to the connection cup.
  • the scaffolding element is brought with its clamping member to the connection cup, in which case the locking member is allowed to fall in the vertical slot of the clamping member alone under the action of gravity in a lowermost position.
  • the clamping member is vertically moved downwards in the direction of the cup rim of the connection cup such that the suspension nose can be transferred into the vertical annular gap between the outer edge of the framework stem and the inner edge of the vertical cup rim of the connector cup.
  • the lower end of the locking member reaches the upper edge of the connection cup, so that in the course of a continued downward movement of the clamping member, the locking member is pushed by the upper edge of the connection cup up while the vertical hanging nose by simple gravity in the vertical ring slot between the connection cup and the scaffolding handle passes. Meanwhile, the locking member is pressed in the region of its lower end by a the insertion nose and the vertical slot of the clamping member inwardly bounding inner wall inward until the locking member finally comes free from the upper edge of the cup and falls by gravity in the vertical slot down.
  • the locking member to allow a lifting of the scaffold element from the connection cup can be transferred in the vertical slot of the clamping member vertically upwards into an intermediate position in which the locking member with its lower end is supported on a shoulder formed in the vertical slot oblique surface, which is arranged in a direction away from the vertical hanging nose portion of the vertical slot and this limits to the rear.
  • connection head of a scaffold component has become known.
  • the connection head has a vertically downwardly projecting Ein satisfactoryzapfen for vertical hooking from above in not shown terminal-clamping socket of vertical scaffolding elements, also not shown.
  • the connection head has a wedge captive connected thereto for locking the connection head of the scaffold component with the connection terminal block, not shown.
  • the connection head has a widening upwards vertical wedge slot in which the wedge is movable relative to the terminal head.
  • the Ein rehabilitationzapfen is formed as a continuation of a bearing block having just above the upper end of the Ein vonzapfens a recess which is bounded by an inner inclined surface which extends from the bottom to the top at an angle of 45 degrees.
  • the wedge can be supported with its lower wedge end vertically downwards in a tilted position such that the upwardly protruding from the terminal head wedge member of the wedge is pivoted back to during assembly of the scaffold component to the terminal block, not shown, down Move the wedge to prevent it from locking.
  • US 4,840,513 A An arrangement of a scaffold post and a scaffold component in the form of a scaffold bar has become known. This arrangement has the features of the preamble of claim 1.
  • US 4,840,513 A also discloses a fastening method according to the preamble of claim 10.
  • a perforated disc is attached to which the connection head can be fastened by means of the wedge.
  • the connection head has a captive connected to this wedge.
  • the wedge has at its rear wedge edge in the region of its lower wedge end a rearwardly and outwardly open V-notch with an upper Kerbrand over which the wedge on an upper surface of the upper wedge opening of the upper head part delimiting wall portion of the upper head part can be supported if its wedge part projecting upwards out of the upper wedge opening is inclined obliquely backwards.
  • the connection head can be plugged in a horizontal mounting direction forward on the orifice plate without a blockage by the wedge.
  • the upper headboard has a vertically downwardly extending U-shaped tooth, which fits with radial clearance in a through hole of the through holes of the perforated disc.
  • the upper wedge portion of the wedge projecting upwardly and obliquely rearwardly from the upper head portion, and thus the wedge, is pivoted forwardly to an upright position, the wedge automatically being constrained by the upper wedge opening of the terminal head and falls vertically down through the through hole of the perforated disc.
  • the wedge is driven by a hammer blow on its upper wedge end vertically downwards, whereby the connection head is pressed with its vertical tooth against a rearwardly facing inner edge of the through hole of the perforated disc.
  • the handrail is part of a rectangular frame, which is formed of horizontal and vertically extending vertical scaffolding tubes.
  • On each vertical scaffolding post fasteners are attached in the form of connecting frames each consisting of a pair of vertical side plates and a vertical front plate connecting the vertical side plates.
  • the connection frames are open upwards and downwards and have a U-shaped cross-section in a sectional plane formed perpendicular to the longitudinal axis of the respective scaffold post.
  • a connecting device with a connecting wedge for attaching the handrail or of the frame to a side plate of one of the connecting frames is fastened in each case.
  • Each connection device has at its front end in the installed position a vertical lug which has a downwardly facing free insertion end and which is inserted vertically in the installed position from above into one of the connection frame.
  • the insertion nose is fixed to two mutually parallel base plates of a base body between which a wedge receiving slot is formed, in which the connecting wedge is slidably received relative to the base body in a plane parallel to the main body plates (12) extending displacement plane.
  • Each base plate is hook-shaped and has a lower nose-shaped wedge support part in the installed position. The nose-shaped wedge-supporting part extends in a forward direction towards the insertion nose and has support surfaces for a support pin attached to the lower end of the connecting wedge.
  • connection wedge The pin ends of the support pin protrude on both sides over the side surfaces of the connection wedge.
  • an opening which is open towards the vertical insertion nose, is formed in the form of a U-groove.
  • the front end of the nose-shaped wedge support parts of the base body plates which point towards the insertion nose are connected to a wedge-contact support plate extending perpendicular to the main body plates, which is used to restrain an associated, rear end face of the connection wedge serves.
  • the connecting wedge can be pulled upwards and supported by means of the abutment pin ends of its abutment pin on the support surfaces of the nose-shaped wedge abutment parts of the two base plates in a mounting position down.
  • the connecting wedge projects with its upper wedge end upwards beyond the two main body plates and at the same time is inclined obliquely forwards.
  • the handrail or the frame is guided vertically downwards such that the respective vertical lug is inserted vertically down into the respective insertion of the respective connection frame until a lower edge of the respective upper connecting part of the respective base plate on an upper edge of a Side plate of the respective connection frame rests in a mounted position.
  • the connecting wedge can be lifted off the respective wedge support part of the main body plates and vertically downwardly inserted into the respective wedge abutment support plate lying between the outer surface of the respective side plate of the respective connection frame and then the respective associated outer surface and wedged there ,
  • This wedge connection involves considerable security risks. Because due to the relatively low clamping forces against a lifting of the connecting device of this scaffold component in the vertical upward direction, especially in a loose, possibly not festgekeiltten or in use dissolving terminal wedge, it can lead to a vertical lifting of the scaffold component from a connection frame or from the connection frame, which means danger to life.
  • the axle ends facing away from each other in opposite directions the transverse axis of the locking lever are mounted in each case a slot opening of the respective base plate relative to this movable.
  • the locking lever has a first, upper end of the lever and a second, lower end of the lever.
  • the first, upper lever end is disposed at a first distance from the transverse axis and the second, lower lever end is disposed at a second distance to the transverse axis, which is much larger than the first distance.
  • At the second, lower lever end of the locking lever extending transversely to the longitudinal axis of the locking lever extending pawl is formed.
  • connection device For the purpose of mounting this connection device on one of the two side plates of a connecting frame of a scaffold stem is on his investment pin on the support surfaces of the nose-shaped wedge support members of the base plates supporting connecting wedge with its upwardly out of the main body protruding upper wedge end to the at its bottom Keilende fixed investment pin pivoted relative to the base body to the rear until the investment pin free from the support surfaces of the nose-shaped wedge support parts of the main body plates of the body.
  • This construction is comparatively complicated and sensitive. Due to the stresses occurring during use or during handling of this scaffolding component, for example when this scaffolding component is dropped, it is possible for damage, in particular deformation of the blocking lever and / or the transverse axis bearing the blocking lever, and / or the oblong holes of the base body receiving the transverse axis. Plates are coming. This can lead to the pawl no longer being able to perform its function against lifting of the scaffolding component mounted on the connecting frame, which can result in considerable safety risks.
  • the invention relates to an arrangement of a vertical scaffolding element and a scaffold component, which comprises at least one connection head and a wedge, for forming a detachable connection with the vertical scaffolding element, wherein on the extending in the direction of a longitudinal axis vertical scaffolding element is a transversely, so in a transverse direction, to the longitudinal axis of the vertical frame member extending and a recess in the form of an opening for insertion of the wedge-pointing projection is fixed, and wherein the connection head by means of the opening the projection plug-in wedge to form the releasable connection with the projection is positively lockable and can be clamped to the vertical framework element, and wherein the connection head has an upper head part with an upper wedge opening and a lower head part with a lower wedge opening, plugged for by the wedge openings Wedge, and wherein between the upper head part and the lower head part, a forwardly open horizontal slot for attaching the terminal head in a
  • connection head results in a particularly compact design and it is an embodiment of the connection head or the scaffold component having this possible, which perfectly meets the needs of a Combinability or interchangeability of the scaffolding component with the previous scaffolding components allows.
  • the wedge-supporting surfaces of the wedge-supporting body can be arranged at a small vertical distance above the horizontal slot upwardly bounding wall parts, in particular above horizontal slot edges or slot surfaces of the slot.
  • a particularly stable mounting intermediate layer of the wedge supporting on the wedge support surfaces of the wedge support body can be achieved.
  • a secure release or release of the thus supported wedge can be achieved, so that the wedge with its lower wedge end can quickly and safely cross over the slot into the lower wedge opening.
  • the above advantages can be realized in a particularly favorable manner when the wedge-supporting surfaces of the wedge-supporting body at a vertical distance are arranged above the horizontal slot upwardly bounding wall parts, in particular above the horizontal slot edges or slot surfaces, which is smaller than half the slot height or half the slot height and the slot width formed in the vertical direction.
  • the wedge-supporting body is arranged in the region of the horizontal slot rearwardly bounding vertical slot edges or surfaces of its slot bottom and / or in a rear portion of the horizontal slot.
  • the wedge-supporting body limits the horizontal slot up with an upper slot surface.
  • the wedge support surfaces inclined in the region of the lower head part, front, lower end of the wedge support body obliquely forward and downward and, in one, in particular imaginary, vertical plane considered vertical section, concave or rectilinear design are designed.
  • the wedge support body is designed with a receiving pocket for receiving and supporting at least one provided on the lower wedge end of the wedge wedge-part.
  • the receiving pocket viewed in a vertical section containing the imaginary vertical plane, has an inner contour which corresponds to a corresponding outer contour of one or the wedge part provided on the lower wedge end of the wedge. As a result, an optimally secure support of the lower wedge end can be achieved.
  • An embodiment that is particularly advantageous from a functional point of view can be achieved by arranging the wedge-pivot abutment in the region of the upper wedge opening and limiting the upper wedge opening to the rear and below.
  • the wedge-pivot bearing can also act as a wedge-securing body delimiting the wedge receiving space, so that when the connection head is not attached to the perforated disc, but is handled separately, the wedge, when it is inserted through the upper wedge opening and through the lower wedge opening, can not fall down out of the connection head.
  • the wedge when it is pulled sufficiently far upwards out of the upper wedge opening, extends completely backwards onto an outer surface of a component of the scaffold component firmly connected to the connection head, in particular to a rod part or rod part on a scaffolding tube, is pivotable.
  • the wall part of the wedge-pivot abutment delimiting the upper wedge opening downwards and backwards is formed parallel to the said outer surface of said component of the scaffold component or parallel to its longitudinal axis.
  • the wedge-pivot abutment defining the upper wedge opening downwardly and rearwardly may be bounded overall by a horizontal outer surface which is at the same height as said outer surface of said component or which yourself in a height slightly below the height of the outer surface extends horizontally.
  • the wedge support body and / or the wedge-pivot abutment can be formed on the upper head part of the connection head and / or on a connection part of the connection head, to which a component, in particular a rod part, of the frame component is attached.
  • a component in particular a rod part
  • particularly advantageous pivoting and release ratios can be achieved.
  • connection head arranged on both sides of the vertical plane, in particular inner centering support surfaces for the wedge, between which the wedge is laterally supported in the region of its lower wedge end with little play when the Wedge on the wedge support surfaces of the wedge support body is supported.
  • a further improved securing of the wedge in its transitional mounting position against lateral tilting and correspondingly improved boundary conditions for actuating and releasing the wedge can be achieved when the centering support surfaces below the upper wedge opening limiting wall portions of the upper head portion and / or are arranged below the wedge-pivot abutment.
  • centering support surfaces are arranged in the region or at the level of the wedge support body or in the area or at the level of the receiving pocket and / or if the centering support surfaces one or limit the receiving bag laterally.
  • a still further improved in terms of the above advantages construction can be achieved in that at least two or exactly two forwardly extending centering support tabs are provided, which, bounded by the opposing centering support surfaces in a horizontal Distance or transverse distance, preferably parallel to each other, are arranged.
  • the upper wedge opening is limited on at least one side or on opposite sides with one or each with an upper wall portion of the upper head part, in the interior of the connection head with an inner, according to behind and below extending oblique wedge-leading edge is limited, at which provided in the region of the lower wedge end or at the lower wedge end captive, preferably a thickening, in particular at least one rivet head of a rivet, with a movement of the wedge relative to the connection head along feasible is or is led.
  • the wedge in the locking position with a vertical, preferably substantially flat, contact surface of its rear wedge-front edge on a corresponding, the recess of the projection to the rear limiting, preferably substantially flat which is parallel to a vertical axis extending vertical wedge support surface of the projection can be applied, and that at the same time the wedge with an upper, preferably substantially flat contact surface of its front wedge front edge extending in the back and down in a extending first inclination angle to the vertical axis along a first oblique axis, flat against a corresponding, upper, preferably substantially flat, rearwardly facing, in particular inner, wedge support surface of the upper head part can be applied, which also in the direction of the rear and down in the extending first inclination angle to the vertical axis along the first oblique axis, and that at the same time the wedge with a lower, preferably substantially flat, contact surface of its front wedge front edge extending in the back and down direction at a second
  • the outer projection part has a, preferably substantially planar, inwardly pointing, vertical wedge support surface for the wedge, which limits the arrangement or opening, preferably in the transverse direction, to the outside and which extending between the upper boundary surface and the lower boundary surface of the projection parallel to or along or in the direction of a vertical axis, and that the upper head portion on a transversely inner side of the passage one, preferably substantially flat, transversely outwardly facing, itself extending parallel to the vertical axis, vertical, upper wedge support surface for the wedge, and that the lower head portion on a transversely inner side of the passage one, preferably substantially flat, transversely outwardly facing, parallel to the vertical axis extending, vertical, lower wedge Stut z-surface for the wedge, and in that the wedge has a first wedge leading edge which is one, preferably substantially flat, outwardly facing obliquely inwardly and downwardly at an inclination angle to the vertical axis along a sloping
  • the horizontal slot in the direction of its slot bottom and / or in the region of its slot bottom and / or in a rear portion of the horizontal slot with a downwardly formed in the insertion region for the projection horizontal upper slot surfaces the horizontal slit extending paragraph of the upper head portion is defined, which is bounded below with a horizontal upper heel slot surface of the horizontal slot, wherein in the support position above the horizontal upper boundary surface of the outer projection portion of the projection arranged paragraph in the support position and at least when the wedge is in the locking position and the connection head is braced by means of the wedge with the vertical frame member or already when the wedge is in the locking position, with its parallel z U of the horizontal upper boundary surface of the projection extending paragraph slot surface, supported on the upper boundary surface of the projection surface, so that the first distance of the upper end of the upper abutment support surface of the upper head portion of the horizontal center plane of the projection and the second distance of the lower End of the lower abutment support surface of the lower head portion of the horizontal center plane of the projection and the first distance of the upper
  • connection head can be kept particularly low by the measures mentioned.
  • the projection Due to a reduced clearance between the horizontal slot and the projecting projection in this and the flat contact conditions of the inserted into the horizontal slot projection both downwards and upwards, the projection can be "taken along" well in bending stresses both down and up when the connection head having scaffolding member, such as a scaffold bar, is bent downwards or upwards, because the projection can now both down and up advantageous in the bending contribute to such that both down and up greater bending forces or moments are transferable, as was previously the case.
  • This construction allows a connection node or a connection with better overall static characteristics.
  • the horizontal center plane of the horizontal slot and the horizontal center plane of the projection in the support position substantially coincide or form a common plane.
  • the heel is provided with lateral insertion bevels. These may each be provided with an inclined surface extending from the horizontal paragraph slot surface obliquely upward and laterally to the respective vertical outer surface of the respective upper side wall portion can extend. This makes it easier to attach or slide the connection head in a direction perpendicular to the vertical plane or perpendicular to the transverse direction and perpendicular to the vertical axis or in a tangential direction to the projection or to the perforated disk.
  • connection head in the forward direction or in the radial direction of the projection or on the perforated disc, for example because there is no sufficient space available or because with
  • the scaffold component already provided with the connecting head already at its end facing away from the connection head, in particular by means of a second connection head and / or a second wedge already on a projection or on a perforated disc of another vertical scaffolding element or scaffold post by means of the second wedge inserted through the opening thereof is fastened, that the frame member is pivotable in a horizontal plane relative to the projection.
  • the paragraph is alternatively or additionally provided with a front insertion bevel.
  • This may be provided with an inclined surface, which may extend obliquely forward and / or inward and upward starting from the horizontal heel slot surface.
  • the aforementioned inclined surfaces may individually or in each case or in both cases one, preferably about 10 to 30 Degree, in particular about 20 degrees, have sufficient inclination angle to the horizontal or to the paragraph slot surface.
  • the invention also relates to a method for fastening a scaffold component having at least one connection head and a wedge to a vertical scaffolding element extending in the direction of a longitudinal axis, preferably wherein the vertical scaffold element and the scaffold component form an arrangement according to the invention, in particular according to claims 1 to 9, wherein on the scaffold component a transversely, ie in a transverse direction, to the longitudinal axis of the scaffold element extending, a recess in the form of an opening for inserting the wedge having Direction projection is attached, wherein the connection head has an upper head part with an upper wedge opening and a lower head part a lower wedge opening, for the plug through the wedge openings wedge, and wherein between the upper head part and the lower head part, a forwardly open slot for attaching the connection head is arranged on the projection, and wherein the Slit is limited upwards and downwards with slit surfaces which extend on either side of a central plane of the slot, and wherein
  • an assembly of the scaffolding component with its connection head on the vertical scaffold element or on the projection particularly safe and yet relatively easy and easy from a secure position or from a secured position of a mechanic by this fitter even if the fitter of this Position or position from his hand can no longer reach into the area of that perforated disc on which the scaffold component is to be plugged with its connection head.
  • a secure prefabricating of the scaffold component for example in the form of a leading railing, is comparatively simple and easily possible.
  • the terminal head in the locking position of the wedge, in which the terminal head is positively locked by means of the wedge with the projection, the terminal head can not be removed from the projection in any direction without prior unlocking of the wedge.
  • the scaffold component may, prior to attachment of its connection head to the projection - either starting from a preparation position of the wedge, in which this toward or on an outer surface of a permanently connected to the connection head component, for example, rod element, preferably scaffold tube, in particular round tube, the scaffold component is folded - or starting from a preparation position of the wedge, in which this is loosely inserted only through the upper wedge opening or loosely through the upper and lower wedge opening, about a longitudinal axis in the form of a crossing line at which the center plane of the slot and the Vertical plane, preferably the vertical center plane, in particular the vertical plane of symmetry of the connection head intersect and / or about a, preferably parallel to the center plane of the slot extending longitudinal axis of the scaffold member are rotated by an angle of up to about 180 degrees, so that the wedge due to gravity . held in particular on the provided in the region of the lower wedge end or on the lower wedge end captive, supported on inner support surfaces of the upper head part hanging down.
  • a preparation position of the wedge in which this toward or
  • the scaffold component before its attachment to the connection head or by means of the connection head on the projection, with the connection head and with the slot ahead, can be tilted forward and down in a tilt position, in which - one or the longitudinal axis in the form of a crossing line, at which the center plane of the slot and the vertical plane of the connection head intersect and / or one or the longitudinal axis of the frame component - has or have an inclination angle to the horizontal and in which the wedge due to gravity, in particular on the provided in the region of the lower wedge end or on the lower wedge end captive, supported on inner support surfaces of the upper head part downwards.
  • the downward-hanging wedge can be supported with a front wedge edge on a front wall part of the upper head part pointing downwards in this position.
  • a shake-proof starting position can be achieved.
  • the scaffold component can be rotated back or further about the longitudinal axis of the connection head and / or about the longitudinal axis of the scaffold component by an angle of approximately 180 degrees. so that thereby enters the wedge in an upper pivot position, in which protrudes upwards over the upper head part out standing wedge member forward of at least the upper head part.
  • an optimal intermediate position of the scaffold component can be achieved with its connection head with the wedge, starting from which the wedge is securely movable in its transition mounting position, in which it is supported on or on the wedge support surfaces, so that there can be no blockage through the wedge.
  • the scaffold component can be pivoted with its connection head from the said inclination position into a less inclined inclination position with a reduced inclination angle which is equal to or less than 12 degrees or is equal to or less than seven degrees or equal to or less than five degrees, whereby the wedge by gravity and / or spring assisted from the upper pivot position down in the or a functionally equivalent or functionally identical mounting position passes, in which he is on supporting the wedge support surfaces of the wedge support body.
  • an optimal starting position of the scaffold component can be achieved with its connection head and its wedge, starting from which the scaffold component can be moved with its connection head with the slot and the protruding wedge ahead in this substantially horizontal direction on the projection, without it it comes to a blockade of the slot through the wedge.
  • the term “substantially horizontal” in the sense of this protective right not only parallel to the horizontal, which is formed perpendicular to the vertical axis, in particular perpendicular to the vertical or vertical, but also means a possible Inclination up to a maximum inclination angle to said horizontal equal to or less than twelve degrees or equal to or less than seven degrees or equal to or less than five degrees.
  • the direction “backwards” means a direction transversely, in particular radially, to the longitudinal axis of the vertical frame element, away from it or opposite to the slip-on direction, in which the connection head projects with its contact-supporting surfaces, with his slit on the projection is plugged.
  • the directional indication “forward” means a direction transverse, in particular radial, to the longitudinal axis of the vertical structural element, towards this or in the slip-on direction, in which the connection head projects with its contact-supporting surfaces, with his slit on the projection is plugged.
  • the directional indication "outwards” means a direction transverse, ie in a transverse direction, to the longitudinal axis of the scaffolding element away from it.
  • the directional indication "inward” means a direction transverse, ie in a transverse direction, to the longitudinal axis of the scaffold element towards it.
  • the vertical axis may preferably be arranged parallel to the vertical or vertical.
  • the inventive method can be carried out according to a particularly preferred variant such that a fitter holding the scaffolding component in the hands, this attached to the connection head on the projection of the vertical scaffolding element.
  • a fitter attaches the scaffold component from a secured against falling position with the connection head on the projection.
  • a fitter standing on a scaffolding covering a floor of a scaffold secures the scaffolding component with the connection head to a projection of a vertical scaffolding element arranged on this floor, preferably at approximately half height of this floor.
  • the scaffolding component can be a rod element, in particular a scaffold tube and / or a scaffold bar or a bracket.
  • the scaffolding component can be provided with at least two connection heads, which can be designed the same or different.
  • the connection heads may be provided at mutually away facing ends of the frame member.
  • the scaffold component can be formed with a profile, for example with a 0 or U cross section, with a rod element or with a tube, in particular with a round tube, which can be connected to the connection head in one piece or in several parts, in particular by welding.
  • the vertical structural element can be a, preferably cylindrical, scaffolding tube, in particular a circular cylindrical round tube, act.
  • the vertical scaffolding element can be a component, for example a sleeve or a tubular part, which can be fastened to a scaffold post or stand.
  • the vertical scaffolding element can be a scaffold post or stand or a frame constructed or formed therefrom, for example setting frames or façade frames.
  • the projection may extend perpendicularly and / or radially to the vertical structural element, in particular transversely, perpendicularly and / or radially to a longitudinal axis of the vertical structural element.
  • the projection may partially or completely embrace the vertical framework element.
  • the projection may be a rosette, preferably a perforated disc. This can be provided in a known manner with a plurality of recesses, in particular in the form of through holes. These can be arranged in a known manner in the same circumferential angles, preferably of 45 degrees, spaced from each other. In addition, small and large recesses may be provided in a likewise known manner, which may preferably be arranged alternately in the circumferential direction.
  • the scaffold component and / or the connection head and / or the scaffold element and / or the protrusion and / or the wedge preferably consist of or consist of metal.
  • the connection head may preferably consist of malleable cast iron, cast steel or aluminum.
  • the scaffold component and / or the scaffold element and / or the projection and / or the wedge may or may be made of steel, in particular of galvanized steel or of aluminum consist. According to a particularly preferred combination, it can be provided that the projection and the vertical frame element and the wedge are made of preferably galvanized steel and that the connection head consists of cast steel or malleable cast iron.
  • the connection head can be designed with a system part which has contact support surfaces having system wall parts for abutment with corresponding outer surfaces of the vertical framework element.
  • the upper head portion may include upper abutment surfaces of the abutment surfaces for abutment with corresponding outer surfaces of a frame member portion of the vertical frame element extending above the protrusion.
  • the lower head portion may include lower abutment surfaces of the abutment surfaces for abutment with corresponding outer surfaces of a scaffolding element portion of the vertical frame element extending downwardly below the protrusion.
  • the connection head can have a connection part which is firmly connected to a component of the framework component.
  • the terminal head may be bounded with side wall parts which have wedge-like on a center-facing vertical outer surfaces.
  • the vertical outer surfaces may include a wedge angle, preferably 40 to 50 degrees, more preferably about 43 to 46 degrees, preferably about 44 degrees or 45 degrees.
  • the slot of the connection head may preferably extend to the connection part.
  • the slot can be open to the plant support surfaces or to the plant side, in particular also to the vertical outer surfaces, if such Areas or an investment site is or are provided.
  • the wedge is made of flat material and has a substantially constant wedge thickness.
  • the centering support surfaces on a lateral distance from each other, which is only slightly larger than the wedge thickness.
  • the wedge is captively connected to the connection head.
  • the wedge in the region of one of its wedge ends or in the region of its two wedge ends or on a wedge end or on both wedge ends be provided with or in each case with a captive. This can be formed with a thickening.
  • a captive can be provided a pin or a rivet.
  • the wedge may consist of flat material in a known manner and may be provided at its lower wedge end with a rivet which can protrude with at least one rivet head laterally or transversely over the flat material of the wedge.
  • the upper wedge opening can be designed as a longitudinal slot extending from the rear to the front, in particular containing the vertical plane.
  • the wedge opening or the longitudinal slot may have parallel slot walls which may extend on either side of the vertical plane.
  • the slot walls may have a slot width corresponding distance from each other. This distance or the slot width is preferably only slightly larger than the wedge thickness of the wedge, so that the wedge is then guided with only a slight lateral play in the wedge opening.
  • connection head and the frame component can be connected in several parts or in one piece.
  • the scaffolding component and the connection head can be manufactured in one piece or from one piece.
  • the connection head can be molded onto the frame component.
  • connection head At least two of the subsequent parts of the connection head, if present, can be made in one piece or in any combination: the upper head part, the lower head part, the abutment part, the connection part, the wedge support body, the heel and / or wedge-pivot abutment.
  • a particularly advantageous arrangement can be realized with a vertical scaffolding element extending in the direction of a longitudinal axis, which is the subject of two German patent applications of the same applicant each titled "Arrangement of a scaffold component and a vertical scaffolding element" both filed on the same filing date as the present patent application at the German Patent and Trademark Office.
  • the content of these two German patent applications is hereby included by reference and in full reference in its entirety in the present patent application for the sake of simplicity and to avoid repetition. Accordingly, therefore, the respective content of the said German patent applications with all technical features, both individually and in any combination, as far as feasible, should be fully included in the disclosure of the invention of the present patent application.
  • the framework 40 is composed of vertical stems 41.
  • the stems 41 form vertical framework elements.
  • Each stem 41 extends vertically along a substantially straight longitudinal axis 47, thus forming a substantially straight bar element 41.
  • the stems 41 are made of metal, preferably of steel. However, the stems can also consist of light metal, in particular aluminum or aluminum alloys.
  • the stems 41 are made of round tubes 46.
  • the round tubes 46 have a substantially cylindrical outer cross section substantially over their entire effective length.
  • Each stem 41 has at one of its free ends, preferably at its upper end, a pipe connector.
  • the outer diameter of the pipe connector is slightly smaller than the inner diameter of the handle tube at the other end facing away from the pipe connector 41, so that on the pipe connector of a handle 41, a further handle 41 can be plugged. In this way, the framework 40 can be constructed over several floors.
  • scaffolding components 45 in the form of connection, holding and / or support elements, such as longitudinal latch 45, crossbar and / or diagonal to connect.
  • the diagonals and the cross bars are not shown in the figures.
  • scaffolding floors 269 can be attached.
  • Several framework fields 270.1, 270.2 can be set up.
  • An installer 265 may assemble a scaffold member 45 from a tamper-evident layer 266. In this case, a leading railing 267 in the form of a hip or back railing 268 can be realized.
  • the perforated discs 44 surround the stems 41 in full, but can only partially embrace the stems 41.
  • the perforated discs 44 forming a projection extend transversely, ie in the transverse direction 118, to the longitudinal axis 47 of the stem 41 from the outer surface 54 of the stem 41 to the outside 52.
  • the perforated discs 44 are provided with upper and lower Boundary surfaces 48, 49 designed, which are parallel to each other and substantially flat. Accordingly, the perforated disks 44 have a substantially constant perforated disk thickness 50.
  • the perforated disc thickness 50 is preferably about 9 mm, in particular if the perforated disc 44 is made of steel.
  • the perforated disc thickness 50 may also be slightly larger, for example, be about 10 mm, in particular if the perforated disc 44 made of light metal, for example aluminum.
  • the boundary surfaces 48, 49 of the perforated disk 44 are formed parallel to an imaginary center plane 51 of the perforated disk 44, which intersects the perforated disk 44 in the vertical direction or in the thickness direction 42 at the level of half of the perforated disk thickness 50.
  • Each perforated disc 44 extends in a direction 52 perpendicular to the longitudinal axis 47 of the stem 41 from the outer surface 54 of the stem 41 radially outward 52 away from it. Accordingly, the center plane 51 of the perforated disc 44 is normal to the longitudinal axis 47 of the stem.
  • Each perforated disc 44 is provided in a conventional manner with a plurality of through-holes 55, which are also designated with openings 55.
  • This means that each of these through-holes 55 is bounded in its entirety by laterally delimiting wall parts of the perforated disk 44 or by wall parts of the perforated disk 44.
  • Each through-hole 55 extends in the vertical direction 42 between the upper boundary surface 48 formed on the upper side 57 of the perforated disc 44 and the lower boundary surface 49 on the underside 58 of the perforated disc 44.
  • the through-holes 55 are in a known manner in equal circumferential angles 59 of 45 degrees spaced apart.
  • the perforated disks 44 are preferably made of steel, but may also consist of light metal, in particular of aluminum or aluminum alloys.
  • the scaffold 40 shown in the figures is constructed with scaffold components 45 in the form of longitudinal bars 45 and cross bars as well as diagonals, wherein only the longitudinal bars 45 are shown in the figures.
  • These bars 45 are fully compatible with the previously known bars and thus fully compatible with the previous LAYHER Allround modular scaffolding system designed. This means that the latch 45 can be readily combined with the previous other scaffolding parts of this previous modular scaffold system.
  • the scaffold bars 45 have at their ends facing away from each other 56.1, 56.2 each have a connection head 61, by means of which the scaffold bar 45 can be attached to a respective associated perforated disc 44.
  • each connection head 61 has a wedge 62, which is captively connected to the connection head 61, by means of which the respective connection head 61 is festkeilbar to an associated perforated disc 44.
  • the connection heads 61 can be fastened to a rod element 53 of the framework crucible 45 as components produced separately.
  • the scaffold bars 45 shown in the figures are made in several parts or from several parts, namely in each case from two connection heads 61 and from a rod element 53.
  • connection heads 61 can also be attached to other components.
  • a framework component 45 may also be a console with one or more connection heads.
  • connection head can also be attached to a component of the scaffold component in another way. It is also understood that a scaffolding component with at least one connection head can also be made in one piece.
  • connection head 61 has a contact part 63 and a connection part 64.
  • the connection part 64 is fixed, preferably by welding, connected to the round tube 78.
  • the plant part 63 has plant support surfaces 65.1, 65.2 having plant wall parts 63.1, 63.2 for abutment with the corresponding outer surfaces 54 of the stem 41. These plant support surfaces 65.1, 65.2 are, in a horizontal section parallel to viewed in the center plane 68 of the slot 67, rounded concave with a radius 69 corresponding to the outer radius 70 of the round tube 46 of the stem 41.
  • connection head 61 is delimited by side wall parts 71.1 to 71.4, which in the direction of the front 79 have a wedge-like manner to a center or to a central axis 91 tapered vertical outer surfaces 72.1 to 72.4.
  • the vertical outer surfaces 72.1 to 72.4 include a wedge angle 73 preferably about 44 degrees or 45 degrees.
  • the abutment part 63 comprises an upper head part 74 and a lower head part 75.
  • the upper head part 74 has an upper abutment support surface 65.1 of the abutment support surfaces 65.1, 65.2 for abutment with a corresponding upper outer surface 76.1 of one above the projection 44 extending stem portion 77.1 of the stem 41.
  • the lower head part 75 has a lower bearing support surface 65.2 of the abutment support surfaces 65.1, 65.2 for abutment with a corresponding lower outer surface 76.2 of a below the projection 44 extending stem portion 77.2 of the stem 41.
  • the upper head part 74 has an upper wedge opening 80 and the lower head part 75 has a lower wedge opening 81, for the wedge 62 which can be inserted through the wedge openings 80, 81.
  • connection head 61 can be plugged onto the perforated disc 44 or plugged.
  • the slot 67 extends in the rearward direction preferably to the connection part 64th
  • a wedge receiving space 84 also referred to as a passage 84, for the wedge 62 is formed, which extends through the upper head part 80 and through the lower head part 81, crossing the slit 67.
  • the wedge receiving space 84 and the passage 84 is forward 79 through the abutment wall portion 63.1 of the upper head portion 74 and the abutment wall portion 63.2 of the lower head portion 75, to the Sides through the side wall portions 71.1 to 71.4 of the upper and lower head portions 74, 75, and rearwardly through the terminal portion 64, and in the upper head portion 74 by a wedge support body 85 and by a wedge-pivot abutment 86th limited, which will be discussed in detail below.
  • the passage 84 or the wedge receiving space 84 is in through-connection with an opening 82 in the connection part 64. This in turn is in through-connection with the interior 87 of the round tube 78.
  • connection head 61 When the connection head 61 is completely plugged with its slot 67 on the perforated disc 44 and when the wedge 62 is inserted through the passage 84 and through an opening 55.1 of the apertures 55.1, 55.2 of the perforated disc 41, so that the connection head 61 of the Gerüstriegels 45 with the Perforated disc 44 is positively locked in a locking position 88 of the wedge 62, the upper wedge opening 80 of the upper head portion 74 and the lower wedge opening 81 of the lower head portion 75 are approximately aligned with this opening 55.1.
  • the wedge 62 can be moved or pulled up from the perforated disk 44 through the passage 84 or through the wedge opening 55.1 up to over the upper boundary surface 48 of the perforated disk 44 for unlocking the interlocking disk 44 locked with the perforated disk 44, so that then the connection head 61 removable from the projection 44, that is separately handled separately.
  • connection head 61 is designed symmetrically to an imaginary vertical plane of symmetry 90, which is formed perpendicular to the imaginary horizontal center plane 68 of the slot 67.
  • the vertical plane of symmetry 90 contains the imaginary vertical central axis 91, in which the vertical planes 92.1, 92.2 spanned by the vertical outer surfaces 72.1 to 72.4 of the side wall parts 71.1 to 71.4 of the connection head 61 intersect in front of the connection head 61.
  • the vertical plane of symmetry 90 also contains the longitudinal axis 94 of the round tube 78 of the scaffold component 45 or scaffold crucible 45.
  • connection head 61 If the connection head 61 is plugged onto the perforated disc 44 and is locked and clamped there by means of the wedge 62, the vertical axis contains Symmetrieebene 90, the longitudinal axis 47 of the vertical framework member 41 and stem 41.
  • insertion portion 93 of the slot 67 of the connecting head 61 is designed with its upper head portion 74 and its lower head portion 75 symmetrical to the center plane 68 of the slot 67.
  • the upper abutment support surface 65.1 of the upper head portion 74 and the lower abutment support surface 65.2 of the lower head portion 75 are formed symmetrically to the horizontal center plane 68 of the slot 67 and further, the upper abutment support surface 65.1 of upper head portion 74 and the lower bearing support surface 65.2 of the lower head part 75 of equal size.
  • the slot 67 has a front insertion portion 93 in which it is bounded above with upper slot surfaces 95.1, 95.2 of the upper head portion 74 and down with lower slot surfaces 96.1, 96.2 of the lower head portion 75, which are parallel to each other, preferably also parallel to the longitudinal axis 94th of the round tube 78, run.
  • the slot 67 viewed in the vertical direction 42, a first slot height 98 and first slot width, the vertical distance between the upper slot surfaces 95.1, 95.2 of the upper head portion 74 and the lower slot surfaces 96.1, 96.2 of the lower head portion 75 in the insertion 93 corresponds.
  • This distance 98 is preferably about 12 mm.
  • the said slot surfaces 95.1, 95.2; 96.1, 96.2 extend on both sides of an imaginary, in the amount of half of the slot height 98 and the slot width extending horizontal center plane 68 of the slot 67th
  • the slot 67 is bounded rearwardly with vertically extending slot surfaces 102.1, 202.2 of a slot bottom 103.1, 103.2. In the region of the slot bottom 103.1, 103.2, or in a rear portion of the slot 67, in which upper slot surfaces 99.1, 99.2 of the slot 67 then when the connection head 61 with its slot 67 completely plugged onto the perforated disc 44 and there by means of through an opening 55.1 of the perforations 55.1, 55.2 of the perforated disc 44 inserted wedge 62 is locked, an outer edge web 97 of the perforated disc 44 are opposite, which is bounded radially inwardly 79 of said aperture 55.1 of the perforated disc 44, the upper head portion 74 of the connection head 61 a Paragraph 100.
  • the shoulder 100 extends, in a direction perpendicular to the horizontal center plane 68 of the slot 67 extending in the longitudinal direction 101 of the upper wedge opening 80 extending, the upper wedge opening 80 passing through, preferably in the transverse center of the connection head 61 extending, imaginary, vertical sectional plane 106, downstream of the upper slot surfaces 95.1, 95.2 formed in the insertion portion 93, and delimits the slot 67 with an upper heel slot surface 107 downward.
  • the shoulder 100 in the region of perpendicular to the horizontal center plane 68 of the slot 67 formed in the longitudinal direction 101 of the upper wedge opening 80th extending, the upper wedge opening 80 passing through, preferably in the transverse center of the connection head 61 extending imaginary vertical plane 90, in particular the vertical plane of symmetry 90 of the symmetrically designed connection head 61 is arranged, can be a particularly advantageous combination with or integration in one, the slot 67 over the front, above the slot 67 arranged wedge support body 85 realize.
  • the wedge support body 85 has wedge support surfaces 108 for vertically supporting the lower wedge end 109 of the wedge 62 against inadvertently moving the wedge 62 vertically downward, intersecting the slot 67, to attach the terminal head 61 to its slot 67 in FIG a substantially horizontal Aufsteckraum 107 radially on the projection 44 and on the perforated disc 44 without blocking by the wedge 62 to allow.
  • the shoulder 100 containing said vertical plane 90, is formed on both sides of the vertical plane 90 and extends continuously between the upper side wall parts 71.1, 71.2. This can achieve a further improvement in terms of the above advantages, with a simple and easy plugging or pushing the connection head 61 with its slot 67 on the projection 44 is possible.
  • the last-mentioned measure also makes it possible to achieve stiffening, in particular of the upper head part 74, of the connection head 61, so that the static characteristic values of the connection can be improved overall.
  • the shoulder 100 defines the slot 67 with the upper heel slot area 107.
  • the upper heel slot area 107 is parallel to the upper slot areas 95.1, 95.2; 991., 99.2 and formed to the lower slot surfaces 96.1, 96.2 of the slot 67 and parallel to the horizontal center plane 68 of the slot 67.
  • the slot width 106 or height of the slot 67 is reduced due to the shoulder 44 to a vertical distance 106 which is smaller is as the distance 98 between the upper slot surfaces 95.1, 95.2 and the lower slot surfaces 96.1, 96.2 in the front insertion portion 93 of the slot 67, and thus is smaller than the slot width 98 or height of the slot 67 in this insertion 93.
  • Der said distance 106 between the shoulder slot surface 107 and the lower slot surfaces 96.1, 96.2 in the exemplary embodiment is about 10.5 mm.
  • connection head 61 then supports when it is completely plugged with its slot 67 on the perforated disc 44 and locked there by means of the wedge 62 on the upper boundary surface 48 of the outer edge web 97 of the perforated disc 44 in a support position vertically from.
  • the slot 67 viewed in the direction from front to back 52, designed in the direction of the slot bottom 103.1, 103.2 with a taper 111.
  • the taper 111 or the shoulder 100 is formed with an upper wall portion 112 of the upper head portion 74.
  • This upper wall part 112 extends horizontally and continuously between the side wall parts 71.1, 71.2 of the upper head part 74, preferably as shown in the figures.
  • the said upper wall part 112 or the shoulder 100 is delimited to the front 79, ie in the direction of the insertion region 93 of the slot 67, with an oblique surface 113, which is inclined down and back.
  • the oblique surface 113 extends, viewed in a vertical section containing the vertical plane of symmetry 90, from the upper slot surfaces 95.1, 95.2 of the insertion region 93 downwards 115 and rearward 52 towards the slot base 103.1, 103.2.
  • the abutment wall part 63.1 of the upper head part 74 of the connection head 61 is designed starting from its front abutment support surfaces 65.1 towards the slot 67, with an upper insertion bevel 116 inclined towards the rear 52 and 115 at the bottom.
  • the abutment wall part 63.2 of the lower head part 75 of the connection head 61 is designed starting from its front abutment support surfaces 65.2 toward the slot 67, with a lower insertion bevel 117 inclined towards the rear 52 and above 110. These two insertion bevels 116, 117 facilitate the attachment of the connection head 61 with its slot 67 on the perforated disc 44.
  • the upper insertion bevel 116 merges rearwardly into the upper slot surfaces 95.1, 95.2 in the insertion region 93.
  • the lower insertion bevel 117 merges rearwardly into the lower slot surfaces 96.1, 96.2 in the insertion region 93. Because of the slot height 98 or width of the slot 67, which is comparatively large in the insertion area 93, the connection head 61 with its slot 67 can accordingly be easily pushed or pushed onto the perforated disc 44. Because of the obliquely inclined surface 113 of the shoulder 100, which is inclined towards the rear 52 and 115, the connection head 61, when already radially attached to the perforated disc 44 with the insertion region 93, can slide radially further from there to the perforated disc 44 ,
  • the shoulder 100 is offset relative to the vertical outer surfaces 72.1, 72.2 of the upper side wall parts 71.1, 71.2 in the inward direction, that is, in the interior 123 of the connection head 61.
  • the shoulder 100 is opposite the upper slot surfaces 95.1, 95.2; 99.1, 99.2 of the upper side wall parts 71.1, 71.2 arranged offset inwards in the direction.
  • the upper slot surfaces 95.1, 95.2; 99.1, 99.2 of the upper side wall parts 110 extend from the insertion area 93 to the rear 52 in the direction of the slot bottom 103.1, 103.2, laterally and outwardly past the shoulder 100, above the heel slot area 107 of the shoulder 100.
  • the upper slot surfaces 99.1, 99.2 and the lower slot surfaces 96.1, 96.2 a vertical distance 98 to each other, which is the same size as the distance 98 of the upper slot surfaces 95.1, 95.2 and the lower slot surfaces 96.1, 96.2 in the insertion 93rd
  • connection head 61 By the above measures, individually or in any combination weight can be saved and it is easier plugging or pushing the connection head 61 in a direction 120 perpendicular to the transverse direction 118, ie laterally or tangentially to the projection 44 possible.
  • This is particularly advantageous if it is not possible for a plugging or pushing the connection head 61 in the direction of radially forward 79 on the projection 44 and the perforated disc 44, for example, because there is no sufficient space available or because the scaffolding component 45 and the scaffold bar 45 already facing away from the connection head 61 away End 56.2, in particular by means of a second connection head 61 and a second wedge 62, is already fastened to a projection 44 or to a perforated disk 44 of another vertical structural element 41 by means of the second wedge 62 inserted through an opening 55.1 of the openings 55.1, 55.2 that the framework component 45 or the framework bar 45 can be pivoted in a horizontal plane 121 relative to the projection 44 or to the perforated disc 44.
  • the paragraph 100 extends between the upper side wall portions 71.1, 71.2 in the spanned by this or by their inner boundary surfaces 122.1, 122.2 interior 123 throughout.
  • a simple and easy plugging or pushing on the connection head 61 with its slot 67 on the projection 44 is possible and it can be a stiffening, in particular of the upper head portion 74 of the connection head 61 reach, so that the static characteristics of the compound improve overall to let.
  • the upper heel slot surface 107 of the heel 100 extends, viewed in a vertical section parallel to the vertical plane of symmetry 90, in a vertical first slot surface spacing 125 below the upper slot surfaces 95.1, 95.2 of the slot 67 provided in the insertion region 93.
  • the lower slot surfaces 96.1, 96.2 of the slot 67 extend in a vertical second slot surface distance 126 below the lower boundary surface 49 of the edge web 97 of the projection 44.
  • the first slot area distance 125 is the same as the second slot area distance 126.
  • the first slot area distance 125 and the second slot area distance Distance 126 each about 1.5 mm.
  • connection head 61 By this measure remains when plugging the connection head 61 with its slot 67 on the perforated disc 44 a certain or low game, which facilitates the plugging.
  • a mediation of the connection head 61 is achieved both relative to the horizontal center plane 68 of the slot 67 and relative to the horizontal center plane 51 of the perforated disc 44.
  • Both the first distance 151.1 of the upper end 152 of the upper abutment support surface 65.1 of the upper head part 74 from the horizontal center plane 68 of the slot 67 and the second distance 153.1 of the lower end 154 of the lower abutment support surface 65.2 of the lower head part 75th from the horizontal center plane 68 of the slot 67 is in the illustrated embodiment about 36 mm.
  • Both the first distance 151.2 of the upper end 152 of the upper abutment support surface 65.1 of the upper head part 74 from the horizontal center plane 51 of the perforated disc 44 and the second distance 153.2 of the lower end 154 of the lower abutment support surface 65.2 of the lower head part 75th from the horizontal center plane 51 of the perforated disc 44 is in the illustrated embodiment about 36 mm.
  • the shoulder portion 112 of the upper head portion 74 containing the shoulder 100 extends horizontally and transversely between the upper side wall portions 71.1, 71.2 in the interior 123 of the connection head 61.
  • the said wall portion 112 also extends forwardly into the wedge receiving space 84 while limiting it to the rear.
  • Said wall part 112 has a front boundary edge 128 which, viewed in a vertical section containing the vertical plane or the vertical plane of symmetry 90, is convexly rounded. This front boundary edge 128 forms a release edge 128 for releasing the wedge, which will be discussed in more detail below.
  • the said wall portion 112 and the paragraph 100 containing body also forms an inner wedge support body 85 for vertically supporting the lower wedge end 109 of the wedge 62 in a mounting position 263, in which an attachment of the connection head 61 with its slot 67 on the perforated disc 44 is allowed without blockage by the wedge 62.
  • the wedge support body 85 is disposed above the slot 67, the slot 67 to the front 79 across.
  • the wedge support body 85 has wedge support surfaces 108 on which the wedge 62 can be supported with its lower wedge end 109 in said mounting position 263.
  • the wedge support surfaces 108 are adjacent to a front boundary edge 128 of the heel 100 and the said wall portion 112 to the rear 52 and top 110 extending at.
  • At least the wedge support surfaces 108 of the wedge support body 85 arranged in the region or adjacent to the said boundary edge 128 are arranged at a small vertical distance 129 above the heel slit surface 107. This distance 129 is less than half of the slot height 98 or -umble in the insertion portion 93 of the slot 67.
  • the wedge support surfaces 108 are inclined toward the front boundary edge 128 of said wall portion 112 obliquely forward 79 and 115 below and are , viewed in a vertical section containing the vertical plane of symmetry 90, concave.
  • the wedge support surfaces 108 are viewed in the said vertical section, with an inner radius 130, preferably amounting to approximately 7 mm. This inner radius 130 is slightly larger than the outer radius 131, preferably about 6.25 mm, of the wedge end portion 201 supported on the wedge support surfaces 108 at the lower wedge end 109 of the wedge.
  • the said wedge support surfaces 108 define a receiving pocket 132 for receiving and supporting the wedge end portion 201 at the lower wedge end 109 of the wedge 62, which, as previously mentioned, is concavely rounded with said outer radius 131.
  • the receiving pocket 132 has an inner contour 133 which extends in a circle over a circumferential angle 134, preferably of approximately 160 degrees.
  • the inner contour 133 of the receiving pocket 132 corresponds to a likewise circular outer contour 135 of the wedge 62 at its lower wedge end 109.
  • the receiving pocket 132 down 115 and front 79 of the lower front boundary edge 128 of the wedge Support body 85 and paragraph 100 limited.
  • the receiving pocket 132 is bounded at the top 110 and front 79 by an upper front boundary edge 124 of a wedge-pivot abutment 86, which preferably at the same time forms a wedge-loser-securing body which limits the wedge receiving space 84 to the rear 52.
  • the wedge pivot abutment 86 is thus above the vertical support of the wedge 62 at its lower wedge end 109 enabling wedge support surfaces 108 of the wedge support body 85 is arranged.
  • the front boundary edge 124 of the wedge-pivot abutment 86 extends horizontally between the upper side wall portions 71.2, 71.2 of the upper head portion 74 on either side of the vertical plane of symmetry 90, preferably continuously.
  • the front boundary edge 124 of the wedge-pivot abutment 86 bounds the upper wedge opening 80 to the rear 52.
  • the wedge-pivot abutment 86 in which the vertical plane of symmetry 90 containing vertical section views, starting from its front boundary edge 124, vertically down 115 of an inner wall portion 139 bounding the receiving pocket 132 of the upper head portion 74 is limited and, starting from its boundary edge 124 upwards 110, bounded by an upper wall portion 140 extending horizontally from the upper head portion 74 to the upper abutment wall portion 63.1.
  • the upper wall part 140 has a surface 138 which runs approximately parallel to the middle plane 68 of the slot 67 or approximately parallel to the longitudinal axis 94 of the round tube 78 of the framework component 45 or of the framework bar 45.
  • the receiving pocket 132 is bounded in the region of the transverse center containing the vertical plane of symmetry 90 on both sides of the vertical plane of symmetry 90, that is to say laterally, with two centering support tabs 143.1, 143.2.
  • the centering support tabs 143.1, 143.2 have opposite centering support surfaces 144.1, 144.2 for the wedge 62.
  • the wedge 62 is supported laterally between the centering support surfaces 144.1, 144.2 at its lower wedge end 109 when the wedge 62 at its lower wedge end 109 rests on the wedge support surfaces 144.1, 144.2 of the wedge support member.
  • Body 85 is supported.
  • the centering support surfaces 144.1, 144.2 the centering support tabs 143.1, 143.2 extend in a horizontal distance 157 to each other.
  • the distance 157 is about 10 mm in the embodiment.
  • This distance 157 is slightly larger than the thickness 145 of the wedge 62.
  • the thickness 145 of the wedge 62 is about 6 mm in the exemplary embodiment.
  • the centering support tabs 143.1, 143.2 are arranged in an upper region 146 of the receiving pocket 132, ie in the region or in the vicinity of the wedge-pivot abutment 86.
  • the centering support tabs 143.1, 143.2 extend forward 79 and bottom 115 in the wedge-receiving space 84. Both measures have been found to be particularly advantageous when the wedge 62 at its lower wedge end 109 at the wedge support surfaces 108 of the receiving pocket 132 and the wedge support body 85 is supported in order then to achieve a secure guidance of the wedge 62 in the region of its lower wedge end 109 until its release.
  • a zinc outlet opening 147 In the receiving pocket 132 opens, preferably substantially above the wedge support surfaces 108, a zinc outlet opening 147. This extends from the receiving pocket 132 obliquely to the rear 52 and bottom 115 at an inclination angle 136 to the vertical axis 148 bis into a cavity 149 of the terminal head 61 which is in through-connection to the opening 82 in the terminal part 64 of the terminal head 61. In the embodiment shown, the angle of inclination 136 is about 57 degrees.
  • the zinc outlet opening 147 has an inner diameter 150. This is in the illustrated embodiment about 6 mm.
  • the zinc outlet opening 147 opens into the receiving pocket 132 in a central region between the centering support surfaces 144.1, 144.2 of the centering support tabs 143.1, 143.2 and the wedge support surfaces 108 Case of galvanizing the connection head 61 the zinc drain well from the receiving pocket 132, so that it can come in this area to no disturbing zinc accumulation. It is understood, however, that instead of a central zinc outlet opening 147, at least two, in particular each side of the vertical plane of symmetry 90 arranged, opening into the receiving pocket 132 zinc outlet openings may be provided. These can be provided, for example, vertically below the centering support tabs 143 or in horizontally spaced edge regions of the upper side wall parts 71.1, 71.2.
  • the upper contact surface 166 is in a, preferably about 92.4 mm from the lower wedge end 109 amount, wedge part distance 176, up 110, preferably rounded, for example, about 10 mm, rounding radius 177 rounded, in a back 52 and top 110 at an inclination angle 178 inclined inclined support surface 179, which in turn up to 110 in a parallel to the vertical axis 148 extending vertical support surface 180 of the front and second wedge front edge 163 over.
  • a toe board fitting recess 181 extending vertically above said oblique support surface 179 is formed, which enables the reception of a toe board fitting, not shown in the figures, of a toe board.
  • the toe board fitting can be supported on its vertical support surface 180 side facing laterally on this vertical support surface 180 of the front and second wedge front edge 163. It can be supported vertically downwards on or on the inclined support surface 179 of the front and second wedge front edge 163.
  • the toe board fitting On its side remote from the vertical support surface 180, the toe board fitting can be supported on a vertical outer surface 76. 1 of a vertical framework element, for example a handle 41, when the connection head 61 is plugged onto a projection, for example onto a perforated disc 44 of the vertical framework element 41 and locked by means of the wedge 62, preferably also braced, is (see Figures 21 and 24 ).
  • the vertical support surface 180 extends vertically over a length 164 in the upward direction 110 to the upper wedge end 181.
  • the vertical support surface goes with a Rounding radius 184, preferably of about 5 mm, in an upper turning surface 183 at the upper wedge end 181 or Ein facedde of the wedge 62 via.
  • the upper wedge end 181 or Ein suitde is formed with a horizontal, perpendicular to the vertical axis 148 extending upper wedge edge 182. This is limited to the upper wedge wedge surface 183 for driving the wedge 62 with a hammer.
  • the wedge-wedge surface 183 is in the region of its rear upper end 185, in particular with a, for example, also about 5 mm amounting radius 186, rounded, in an upper wedge-inclined surface 187 of a wedge-inclined edge 188 over.
  • the wedge-oblique edge 188 is formed in a, preferably about 12 degrees to the vertical axis 148 amount, inclination angle 189 forward 79 and 115 inclined below.
  • the wedge-inclined surface 187 extends obliquely down 115 and front 79 until it merges in a wedge-part distance 176 of the lower wedge end 109 in the vertical, rear contact surface 168 of the rear or first wedge-front edge 162.
  • the wedge portion 190 bounded by the wedge inclined surface 187, the upper wedge wedge surface 183 and the vertical vertical support surface 180 extends when the connection head 61 with its slot 67 plugged onto the projection or the perforated disc 44 and in a or the locking position 88 is locked and clamped, over the upper head portion 74 of the connection head 61 vertically upwards 110 addition (see FIG. 24 ).
  • the upper wedge part 190 has a maximum wedge part width 191 in the region of the upper wedge end 181. This is about 27 mm in the embodiment.
  • the wedge In the vertical region, where the rear contact surface 168 of the first and rear wedge front edges 162 and the front end surface 174 of the second and front wedge front edges 163 extend parallel to each other, the wedge has a wedge width 237. This is preferably about 17.8 mm.
  • the vertical, rear contact surface 168 is in a, preferably slightly less than about 43 mm amount, distance 192 from the lower wedge end 109 in a forward 79 and 115 down inclined inclined surface 193 of a lower wedge-inclined edge 194 in a , preferably about 12 degrees, inclination angle 195 is formed to the vertical axis 148.
  • the inclined surface 193 of the lower wedge-bevel edge 194 extends in a, preferably about 20.2 mm, distance 196 from the lower wedge end 109 in a direction parallel to the vertical axis 148 extending vertical surface 197 of the rear or first wedge front edge 163, 162nd above.
  • the wedge 62 has a lower wedge width 198 between the vertical surfaces 197, 205 of the rear and the front wedge front edge 162, 163 running parallel thereto. This is in the exemplary embodiment about 11 mm.
  • the said vertical surface 197 extends parallel to the vertical axis 148 over a length 199. This is in the exemplary embodiment about 10 mm.
  • the vertical surface 197 goes down 115 in a, the lower wedge end 109 delimiting wedge-end surface 200 of a wedge-end portion 201 over.
  • the wedge end surface 200 of the lower wedge end portion 201 is rounded with a radius 204 that is greater than half of the lower wedge width 198, in which the wedge 62 is bounded by the rear vertical surface 197 of the rear and first wedge front edge 162 and the front, parallel thereto vertical surface 205 of the front and second wedge front edge 163 , In a lower region in which the wedge end surface 200 defines the rear wedge end edge 162 rearwardly 52, the wedge end surface 200 rises slightly rearward 52 over said rearward vertical surface 197 such that There is an increase 206 formed there.
  • the rounded wedge end surface 200 of the lower wedge end portion 201 goes into one, the front, second wedge end edge 163 associated portion, upward 110 tangentially in the front lower vertical surface 205 of the front and second wedge-front edge 163 via.
  • This vertical surface 205 extends to a distance 208 from the lower wedge end 209. This distance 208 is about 19.5 mm in the embodiment.
  • the said vertical surface 205 passes upward 110 into the lower, front contact surface 167 of the front and second wedge front edge 163, respectively, preferably at a distance 219 from the lower wedge end 109.
  • the wedge 62 is captively connected to the connection head 61.
  • the wedge 62 in the region of its lower wedge end 109, here on the wedge-end part 201, a captive 203 in the form of a material thickening.
  • a captive a rivet 203 is provided in the embodiment. This has laterally over the flat wedge-side surfaces 161.1, 161.2 of the wedge 62 projecting rivet heads 209.1, 209.2.
  • a rivet 203 may be used, for example, a Flachrundniet or blind rivet.
  • the Flachrundniet can be riveted by machine, while the blind rivet can be preferably riveted by hand.
  • the rivet heads 209.1, 209.2 span a maximum rivet head diameter 210 that is greater than the inside diameter of the receiving bore 202 provided at the lower wedge end 109 of the wedge 62.
  • the maximum rivet head diameter 210 is less than twice the rounding radius 204 is rounded with the lower wedge end portion 201 (see, for example, the Figures 25 and 36 ).
  • the rivet 203 projects with its rivet heads 209.1, 209.2 laterally in a rivet width 211 beyond the two wedge side surfaces 161.1, 161.2 of the wedge 62, which is greater than the slot width 114 of the upper wedge opening 80th
  • the wedge 62 can only contact at least one of its rivet heads 209.1, 209.2 against the inner boundary surfaces 212 of the wall parts delimiting the upper wedge opening 80, in particular of the upper horizontal wall part 213, the upper head portion 74 of the connection head 61 are pulled upwards.
  • the lower wedge opening 81 of the lower head part 75 is larger than the upper wedge opening 80 of the upper head part 74, and so large that the lower wedge end 109 with the rivet 203 fastened there can be inserted easily down 115 through the lower wedge opening 81.
  • the designed as a longitudinal slot 215 upper wedge opening 80 extends on either side of the vertical plane of symmetry 90 of the connection head 61.
  • the longitudinal slot 215 has a slot width 114 which is only slightly larger than the thickness 145 of the wedge 62.
  • the slot width 114 in the exemplary embodiment is about 7.2 mm.
  • the upper wedge opening 80 is limited towards the front 79 with a front wall portion 216 of the abutment wall portion 63.1 of the upper head portion 74.
  • This front wall portion 216 is also part of the upper horizontal wall portion 213, which defines the upper head portion 74 upwardly 110 with a horizontal outer surface 217, which is formed parallel to the center plane 68 of the slot 67.
  • the upper horizontal wall portion 213 is bounded by a horizontal inner surface 212 that is parallel to the horizontal outer surfaces 217.
  • the horizontal wall portion 213 goes to the rear 52 in an oblique down 115 to the connection part 64 extending rear wall portion 220 via. This is limited with part-circular cylindrical outer surfaces 221.
  • the horizontal inner surfaces 212 of the upper horizontal wall portion 213 go on both sides of the upper wedge opening 80 to the rear 52 in wedge-guide surfaces 222.1, 222.2 from 52 to 52 and obliquely downward 115 wedge-leading edge 223.1, 223.2 over.
  • the respective wedge-leading edge 223.1, 223.2 is formed with wedge-guide surfaces 222.1, 222.2 extending approximately perpendicular to the vertical plane of symmetry 90. These limit the rear wall portion 220 forward 79 to the wedge receiving space 84 out.
  • the wedge-guide edges 223.1, 223.2 or their wedge-guide surfaces 222.1, 222.2 go obliquely to the rear 52 and bottom 115 tangentially into the receiving pocket 132 and its inner surfaces over.
  • the wedge-leading edges 223.1, 223.2 or the wedge-guide surfaces 222.1, 222.2 allow an advantageous guidance of the wedge 62 at or over the material thickening, here the rivet heads 209.1, 209.2, which are provided in the region of the lower wedge end 109 of the wedge 62. This will be discussed in more detail below.
  • the upper abutment wall portion 63. 1 of the upper head part 74 having the front upper abutment support surfaces 65. 1 is delimited towards the rear 52 and below 115 to the wedge receiving space 84 with an inner, substantially flat, upper wedge support surface 225.
  • the upper wedge support surface 225 extends approximately from the upper horizontal outer surface 217 of the upper horizontal wall portion 213 of the upper head portion 74 toward the rearward 52 and 115 below in the first inclination angle 170 to one or the vertical axis 148th
  • the upper wedge support surface 225 extends obliquely downwardly 115 to a certain height 226 above the upper slot surfaces 95.1, 95.2 in the insertion area 93. This height 226 is in the exemplary embodiment about 8 mm.
  • the upper abutment wall portion 63.1 of the upper head portion 74 is bounded inwardly toward the wedge receiving space 84 beyond said height 226 with a preferably planar inner surface 227 extending parallel to the vertical axis 148. This allows the wedge 62 inserted through the upper and lower wedge openings 80, 81, in particular starting from the wedge 62 in FIG FIG. 24 shown locking position 88, particularly easily or unhindered up 100 pull over the projection or on the perforated disc 44.
  • the vertical axis 148 is defined by a substantially planar, vertical wedge support surface 229 having one, preferably each, aperture 55; 55.1, 55.2 of the openings 55; 55.1, 55.2 of the perforated disc 44 bounded radially outward 52, which extends from the upper boundary surface 48 to the lower boundary surface 49 of the perforated disc 44.
  • This vertical axis 148 to which the longitudinal axis 47 of the handle 41 extends in parallel, corresponds in the erected state of the handle 41 or the assembly 230 including the wedge 62 with the wedge 62 for a frame 40 or a frame 40, ideally the perpendicular. It should be understood that the vertical axis 148 may be inclined at a certain angle of inclination within the scope of the practical lead-out deviations from the perpendicular.
  • the lower abutment wall portion 63.2 of the lower head portion 75 is toward the rear 52 and down 115 to the wedge receiving space 84 with an inner, substantially flat, lower Wedge support surface 231 limited.
  • the lower wedge support surface 231 extends approximately from the front end 232 of the lower insertion portion 93.2 of the lower head portion 75 in the region of the lower insertion bevel 117, obliquely toward the rear 52 and bottom 115 in the second inclination angle 172 to the vertical axis 148th , In this case, the lower wedge support surface 231 extends approximately to a lower horizontal surface 218 of the lower horizontal wall portion 214 of the lower head portion 75, which limits the lower head portion 75 down 115.
  • the first inclination angle 170 is the same as the second inclination angle 172. It is thus in the embodiment shown, as in the wedge 62, each also six degrees.
  • the upper horizontal wall portion 213 is bounded at the top 110 with an upper horizontal surface 217 and the lower horizontal wall portion 214 is bounded at the bottom 115 by a lower horizontal surface 218 extending parallel to each other and parallel to the median plane 68 of the slot 67 ,
  • the upper horizontal wall portion 213 and its upper horizontal surface 217 and also the lower horizontal wall portion 214 and its lower horizontal surface 218 have, in a vertical section containing the vertical plane or the vertical plane of symmetry 90, an equal length 213rd , 234 on. This is about 21 mm in the embodiment shown.
  • the first inclination angle 170 and the second inclination angle 172, and accordingly, the upper wedge support surface 225 and the lower wedge support surface 231 are parallel to each other.
  • the upper wedge support surface 225 and the first oblique axis 169 is opposite to the lower wedge support surface 231 and the second oblique axis 171 by a certain wedge support surface distance 243 or amount 173 offset back formed back.
  • This amount 243 or the wedge support surface distance 243 is equal to the contact surface distance 173 or the amount 173, by which the upper contact surface 166 of the wedge 62 with respect to the lower contact surface 167 of the wedge 62 back 52 back is offset.
  • the said amount 243, by which the upper wedge support surface 225 is arranged offset backwards relative to the lower wedge support surface 231, is considered in the embodiment shown, in a vertical section running through the vertical plane of symmetry 90, as well is considered in a direction normal to the lower wedge support surface 231, or is approximately 3.0 mm in an imaginary vertical plane containing the first oblique axis 189 and the second oblique axis 171 and viewed in a direction perpendicular to the second oblique axis 171.
  • both the wedge 62 at its front wedge edge 163 have at least two wedge steps 244.1, 244.2 with parallel contact surfaces 166, 167 offset parallel to the wedge side surfaces 161.1, 161.2 by a specific amount 173 for the connection head 61, as well as the connection head 61 at an inner edge 89.1, 89.2 of the abutment wall portion 63.1, 63.2 or at inner edges 89.1, 89.2 of its abutment wall portions 63.1, 63.2 or on an inner side 83 of the passage 84 at least two connection head stages 246.1, 246.2 with parallel to the vertical plane or to the vertical plane of symmetry 90 offset by the same amount 243, parallel wedge support surfaces 225, 231, which correspond to the contact surfaces 166, 167 of the wedge 62.
  • the wedge 62 and the connection head 61 may also have more than two such stages. It is important, however, that the contact surfaces of the wedge-steps are parallel to each other and that the wedge-supporting surfaces of the connection head stages are also parallel to each other, so that it can not turn the wedge when driving the wedge.
  • connection part 64 of the connection head 61 is bounded at the rear 52 with a fully continuous abutment-ring surface 141 which is perpendicular to the vertical plane of symmetry 90 and perpendicular to the central plane 68 of the slot or perpendicular to the longitudinal axis 94 of the rod member 78th or the round tube 78 is formed.
  • the abutment annular surface 141 is perpendicularly intersected with respect to a line of intersection in which the vertical plane of symmetry 90 and the median plane 68 of the slot 67 cross perpendicularly with respect to the longitudinal axis 94 of the rod member 78 by an outer diameter 247, which is slightly smaller than the outer diameter 235 of the rod member 78 in the terminal region. This results in advantageous automatic welding conditions.
  • the abutment ring surface 141 is perpendicularly intersected with respect to the line of intersection in which the vertical plane of symmetry 90 and the median plane 68 of the slot cross inwardly in a radial direction with respect to the longitudinal axis 94 of the rod member 78 Inner diameter 248 limited. This is slightly smaller than the inner diameter 249 of the rod member 78 in the connection area.
  • centering tabs 250 extend into the Bar element or in the round tube 78 can be inserted or plugged there.
  • the centering tabs 250 are arranged offset in each case in the same circumferential angles 251 of 120 degrees to each other about said cutting line or about the longitudinal axis 94 to each other.
  • the abutment ring surface 141 has, viewed from the front abutment support surfaces 65.1, 65.2 of the upper and lower abutment wall portion 63.1, 63.2 of the connection head 61, in a longitudinal section containing the vertical plane and the vertical plane of symmetry 90, a Distance 252, which is the same size as the corresponding distance 252 of the previous connection heads of the LAYHER Allround scaffold system or corresponding scaffolding systems. This distance 252 is about 50 mm.
  • the connection head 61 is therefore also designed to be optimized in compliance with the structural boundary conditions predetermined by the modular system. But not only all measures according to the invention relating to the connection head 61, but also all measures according to the invention relating to the wedge 62 are inventively optimized such that an integration or combinability with the existing scaffolding parts is readily possible.
  • connection head 61 of the frame component 45 with its slot 67 is horizontally placed on the perforated disc 44 and in which the wedge 62 through the upper wedge opening 80, through an opening 55.1 of Openings 55.1, 55.2 of the perforated disc 44 and through the lower wedge opening 81 is inserted, so that the wedge 62 is in a locking position 88, in which the connection head 61 with the perforated disc 44 against removal of the connection head 61 of the perforated disc 44 in all conceivable Directions is positively locked and in which the connection head 61 is removable only after unlocking of the wedge 62 by a force acting on the wedge 62 force from the perforated disc 44.
  • Such an arrangement 230 or mounting and fastening situation is particularly in the FIGS. 21 to 25 illustrated.
  • the wedge 62 is flat with the substantially planar upper contact surface 166 of its front wedge leading edge 163 extending rearward 52 and lower 115 at the first inclination angle 170 to the vertical axis 148 along the first oblique axis 169 the corresponding, substantially flat, rearwardly facing, inner, upper wedge support surface 225 of the upper head portion 74 can be applied, which also faces rearward 52 and below 115 at the first inclination angle 170 to the vertical axis 148 along the first inclined axis 169 extends.
  • the wedge 62 is at the same time with the substantially flat, lower contact surface 167 of its front and second wedge front edge 163, which extend in the direction of rear 52 and bottom 115 in the second inclination angle 172 to the vertical axis 148 along the second oblique axis 171, flat against the corresponding, substantially flat, rearwardly facing 52, inner, lower wedge support surface 231 of the lower head portion 75 can be applied Also applied, which also extends in the rearward direction 52 and bottom 115 in the second inclination angle 172 to the vertical axis 148 along the second oblique axis 171.
  • a scaffold component 45 with a connection head 61 and a vertical scaffold element 41 extending in the direction of a longitudinal axis 47 it can be transversely, ie in a transverse direction 118, away from the longitudinal axis 47 of the scaffold element 41, ie outwardly 52, extending projection 44 to be attached to the terminal head 61 is attached to form a releasable connection.
  • the projection 44 has an upper boundary surface 48 and a lower boundary surface 49.
  • these boundary surfaces 48, 49 extend on either side of a horizontal center plane 51 of the projection 44.
  • the projection 44 has at least one recess in the form of an opening 55; 55.1, 55.2 for inserting a wedge 62, which is arranged between a transversely 118 inner projection part 260 of the projection and a transversely outer projection part 97 of the protrusion 44 44 and extending between the upper and the lower boundary surface 48, 49 extends vertically.
  • connection head 61 has an upper head part 74 with an upper wedge opening 80 and a lower head part 75 with a lower wedge opening 81, for the wedge 62 which can be inserted through the wedge openings 80, 81.
  • connection head 61 has an abutment part 63, the contact wall parts 63.1, 63.2 having vertically extending abutment support surfaces 65.1, 65.2 for abutment with corresponding, vertically extending outer surfaces 54; 54.1, 54.2 of the vertical framework element.
  • the upper head part 74 has an upper abutment support surface 65.1 of the abutment surfaces 65.1, 65.2 for abutment with a corresponding upper outer surface 54.1 of a frame element part 241.1 of the vertical structural element 41 extending above the protrusion 44.
  • the lower head part 75 has a lower abutment support surface 65.2 of the abutment support surfaces 65.1, 65.2 for abutment with a corresponding lower outer surface 54.2 of a framework element part 241.2 of the vertical framework element 41 extending below the protrusion 44.
  • a slot 67 which is open towards the abutment support surfaces 65.1, 65.2, is provided, with which the connection head 61 is attached to the projection 44.
  • the slot 67 is limited in a front insertion portion 93 of the slot 67 upwards 110 with upper slot surfaces 95.1, 95.2 of the upper head portion 74 and down 115 with lower slot surfaces 96.1, 96.2 of the lower head portion 75.
  • the slot surfaces 95.1, 95.2 extend; 96.1, 96.2 on both sides of a horizontal center plane 68 of the slot 67.
  • the slot 67 is limited in the transverse direction 118 to the rear 52 with vertically extending slot surfaces 102.1, 102.2 of a slot bottom 103.1, 103.2.
  • a passage 84 also referred to as a wedge receiving space, for the wedge 62 which extends through the upper head portion 74 and through the lower head portion 75 at the intersection of the slot 67 and with the recess 55; 55.1, 55.2 of the projection 44 is approximately aligned.
  • the wedge 62 is through the passage 84 and through the recess 55; 55.1, 55.2 of the projection 44 stretched, so that the connection head 61 of the frame member 45 is positively locked by means of the located in a locking position 88 wedge 62 with the projection 44.
  • the wedge 62 is movable to unlock the terminal head 61 from the projection 44 through the passage 84 upwardly 110 at least to over the upper boundary surface 48 of the projection 44, so that then the terminal head 61 is removable from the projection 44.
  • the upper head part 74 is supported by the upper abutment support surface 63.1 on the upper outer surface 54.1 of the framework element 41 and the lower head part 75 with the lower abutment support surface 63.2 on the lower outer surface 54.2 of the framework element 41 from.
  • the upper head portion 74 is seated with a limited by an upper slot surface 107 of the slot 67 support body 100 on the upper boundary surface 48 of the projection 44 in a support position.
  • the upper abutment support surface 65.1 extends vertically upwardly 110 to an upper end 152 which at a first distance 151.1 from the horizontal center plane 68 of the slot 67 and at a first distance 151.2 from the horizontal Middle plane 51 of the projection 44 is arranged.
  • the lower abutment support surface 63.2 extends vertically downwards 115 to a lower end 154, which at a second distance 153.1 from the horizontal center plane 68 of the slot 67 and at a second distance 153.2 from the horizontal Center plane 51 of the projection 44 is arranged.
  • the outer projection part 97 has a substantially flat, vertical wedge support surface 229, which the recess 55; 55.1, 55.2 in the transverse direction 118 outwardly 52 limited and which extends between the upper boundary surface 48 and the lower boundary surface 49 of the projection 44 parallel to or along or in the direction of a vertical axis 148.
  • the upper head part 74 can on a direction transverse to the longitudinal axis 47 of the vertical frame member 41 or stem, ie in the transverse direction 118 and radially inner side 236 of the Passage 84 and the wedge receiving space is a substantially flat, in the transverse direction 118 and radially outwardly 52 and facing backwards, outwards 52 and down 115 at a first angle of inclination 170 to the vertical axis 148 along a first inclined axis 169th having extending upper wedge support surface 225 for the wedge 62.
  • the lower head part 75 may, on a transverse direction 118 or radially inner side 236 of the passage 84 or the wedge receiving space, be a substantially flat, in the transverse direction 118 or radially outward 52, in the outward direction 52 and in the bottom 115 in one second inclination angle 172 to the vertical axis 148 along a second oblique axis 171 extending lower wedge support surface 231 for the wedge 62 have.
  • the upper wedge support surface 225 and the lower wedge support surface 231 are formed parallel to each other.
  • the wedge 62 may further include a transversely 118 and radially outwardly 52, first wedge front edge 162 having a substantially planar, extending along the vertical axis 148 vertical contact surface 164, with the vertical wedge support surface 229th of the protrusion 44 corresponds such that the vertical contact surface 164 of the wedge 62 and the vertical wedge support surface 229 of the projection 44 are displaceable parallel to each other and lying flat against each other, relative to each other along the vertical axis 148.
  • the wedge 62 may further include a second wedge leading edge 163 facing away from the first wedge leading edge 162, transversely 118 and radially inward 79, respectively, having a substantially planar upper contact surface 166 and a substantially planar parallel thereto , Lower contact surface 167 has.
  • the upper contact surface 166 extends downwardly along the first oblique axis 169 115 and outwardly 52 and the lower contact surface 169 extends downwardly along the second sloping axis 171 115 and outwardly 52.
  • the upper contact surface 166 of the second wedge front edge 163 corresponds to the upper wedge support surface 225 of the upper head part 74 such that the upper contact surface 166 of the wedge 62 and the upper wedge support surface 225 of the upper head part 74 are parallel adjacent to each other and flat against each other, relative to each other along the first inclined axis 169 are displaced.
  • the lower contact surface 167 of the second wedge front edge 163 corresponds to the lower wedge support surface 231 of the lower head part 75 such that the lower contact surface 167 of the wedge 62 and the lower wedge support surface 231 of the lower head part 75 are parallel to each other and lying flat against each other, relative to each other along the second inclined axis 171 are displaceable.
  • the upper head portion 74 with the upper abutment support surface 65.1 at the above the perforated disc 44 extending outer surface 54.1 of the stem 41 and also the lower head part 75 can be supported with the lower abutment support surface 65.2 on the outer surface 54.2 of the stem 41 extending below the perforated disc 44.
  • the wedge 62 with the perforated disc 44 and with the stem 41 can be braced. This causes a displacement of the wedge 62 relative to the perforated disc 44 on the one hand and a displacement of the wedge 62 relative to the connection head 61 on the other hand.
  • the vertical contact surface 168 of the rear or first wedge front edge 162 which slides on the corresponding vertical, parallel to the vertical axis 148 extending, the outer edge web 97 of the perforated disc 44 radially forward 79 and inwardly bounding wedge Support surface 229, which the opening 55; 55.1, 55.2 radially outwardly delimiting relative to the wedge support surface 229 in the direction 42 of the vertical axis 148 slidably relative to this wedge support surface 229 in the direction of the vertical axis 148 downwards.
  • the wedge 62 When the wedge 62 is supported at its lower wedge end 109 on the wedge support surfaces 108 of the wedge support body 85, it protrudes with a wedge member 190 from the upper head portion 74 of the connection head 61 and then also with an upper wedge end 181 via the connection head 61 or via the front, vertical contact support surfaces 65.1, 65.2 forward or outward, such as in the FIGS. 9 to 20 shown.
  • the wedge 62 in the mounting position 263, in which it is supported at its lower wedge end 109 on the wedge support surfaces 108 of the wedge support body 85 by its own weight or gravity, in the imaginary longitudinal center plane the wedge openings or in the imaginary vertical plane of symmetry 90 of the connection head 61 pivotable relative to the connection head 61, up to a forwardly inclined stop pivot position 261.
  • the wedge 62 In this stop pivot position 261, the wedge 62 is supported with its front or second wedge-front edge 163 at a the upper wedge opening 80 to the front 79 and radially inwardly bounding wall portion 216 of the upper abutment wall portion 63.1 and the upper horizontal wall portion 213 of the upper head portion 74 from.
  • connection head 61 together with the wedge 62 located in the mounting position, is moved radially with its slot 67 in a substantially horizontal slip-on direction 105, approximately at the level of the perforated disk 44, until the wedge 44 62 in the region of its upper wedge end 181 with a wedge-front edge on the outer surface 54.1 of the upwards or above the perforated disc 44 extending upper stem portion 241.1 of the stem 41 abuts in a stop pivot position 261, such as in FIG. 11 shown.
  • connection head 61 is then moved with its slot 67 further in a substantially horizontal Aufsteckraum 105, at the height of the perforated disc 44, radially forward 79 on the perforated disc 44, whereby at its lower wedge end 109 on the wedge support Body 85 vertically supporting and at the same time in the region of its upper wedge end 181 on the outer surface 54.1 of the stem fitting wedge 62 is pivoted with its upwardly projecting wedge member 190 relative to the connection head 61 to the rear 52.
  • connection head 61 At the same time or shortly after a continued movement of the connection head 61 with its slot 67 in a substantially horizontal Aufsteckraum 105, at the height of the perforated disc 44, radially forward 79 on the perforated disc 44 and on an opening 55.1 whose openings 55; 55.1, 55.2, then the wedge 62 is in the region of its lower wedge end 109 with a lower wedge end face 168.1 of its rear or first wedge front edge 162 on the wedge-pivot abutment 86 to which the wedge 62 then relatively is pivoted to the connection head 61 that its above the upper wedge opening 80 upwardly 110 outwardly projecting upper wedge member 190 is pivoted backwards and at the same time its lower wedge end 109 is pivoted forward 79.
  • connection head 61 with its slot 67 continued in a substantially horizontal Aufsteckraum 105, at the height of the perforated disc 44, radially forward 79 on the perforated disc 44 and an opening 55.1 whose openings 55; 55.1, 55.2 moves to ( FIGS. 12 to 14 ) and finally pushed radially on the perforated disc 44 ( FIGS. 15 to 20 ).
  • the wedge 62 remains supported during this continued horizontal movement of the connection head 61 relative to the perforated disc 44 at least as long as the wedge support surfaces 108 of the wedge support body 85 in the mounting position or in a functionally corresponding mounting position until a Tarsteck-limit position 262 is reached, from which the wedge 62 with a continued sliding of the connection head 61 with its slot 67 in a substantially horizontal Aufsteckraum 105 radially on the perforated disc 44 by gravity automatically down in said aperture 55.1 of the perforated disc 44 would reach.
  • Such Aufsteck-limit position 262 is in the FIG. 20 reached.
  • connection head 61 In order to achieve an automatic locking of the connection head 61 with the perforated disc 44 by means of the wedge 62, the connection head 61 is pushed beyond the Aufsteck-limit position 262 addition radially forward 79 on the perforated disc 44, whereby or so that the wedge 62 due its continued pivoting about the wedge-pivot abutment 86, with its lower wedge end 109 or with the wedge-end part 201 there from the wedge-supporting surfaces 108 or the front, then acting as a release edge, boundary edge 128 of the wedge Support body 85 is released, whereupon the wedge 62 with its lower wedge end 109 by gravity automatically through the opening 55.1 of the perforated disc 44 and through the lower wedge opening 81 reaches into one or the locking position 88.
  • connection head 61 in the said locking position 88 of the wedge 62 can not be removed from the projection 44 without a prior unlocking of the wedge 62 by a force acting on the wedge 62.
  • the scaffold component 45 is a comparatively long rod element, in particular a longitudinal latch 45, which is to be mounted by the fitter 265 from a secured against falling layer 266, for example, as a leading railing 267
  • the fitter 265 would have to leave the secured position 266, for example, on a scaffold floor 269 of a scaffolding field already secured with a railing 268 270.1, the wedge 62 manually by touching and moving with one hand in its mounting position 263 convict and would then holding the scaffold bar 45 in the hands, the scaffold bar 45 with the affected connection head 61 ahead, toward a perforated disc 44 of the handle 41st of an adjacent scaffolding field lead to this perforated disc 44, which is located at a horizontal distance from the fitter, which is greater than the maximum grip or arm length of the 265 in the secured position 266 installer in the required for this manual Nachvornetiri of Gerüstriegels 45 with the hands, it could, however, due to the required hand or handle
  • connection head 61 or the framework component 45 with its connection head 61 in which the wedge 62 is folded in the direction of or onto the outer surface 155 of the round tube 78 of the framework crucible 45, such as in the FIG. 5 shown, or from an alternative preparation layer 276.2, in which the wedge 62 loose through the top and is inserted through the lower wedge opening 80, 81, such as in the FIG. 6 shown.
  • the scaffold component 45 or here the scaffold bar 45 about a longitudinal axis 159 in the form of a crossing line 159, at the center plane 68 of the slot 67 and the vertical plane, preferably the vertical center plane , in particular the vertical plane of symmetry 90, of the connection head 61 and / or about a, preferably parallel to the center plane 68 of the slot 67 extending longitudinal axis 94 of the rod member 94 and the frame member 45, rotated by an angle of up to about 180 degrees
  • the wedge 62 is then held, due to gravity, via the captive securing device 203 provided in the region of the lower wedge end 109, suspended from inner support surfaces 225 of the upper head part 74 and hanging downwards. In this way, one can thus likewise reach the starting position 271 of the scaffolding component 45 or here of the scaffolding bar 45 already mentioned above.
  • the scaffolding component 45 Starting from such a starting position 271, then the scaffolding component 45, while maintaining a corresponding inclination position 272.1 or a corresponding inclination angle 273.1 about the longitudinal axis 159 of the connection head and / or about the longitudinal axis 94 of the scaffold component 45 back by an angle of about 180 degrees or further be rotated so that thereby enters the wedge 62 in an upper pivot position 253, in which its upper wedge member 190 upwardly 110 above and forward 79 projects in front of or above the upper head portion 74, such as in the FIG. 8 shown.
  • the frame member 45 is pivoted with its connection head 61 from said tilt position 272.1 in a less inclined slope position 272.2 with a reduced to at least equal to or less than twelve degrees inclination angle 273.2, possibly at least approximately in the horizontal 274, whereby the wedge 62 due to gravity due to its own weight from its upper pivoting position 253 (FIG. FIG. 8 ) comes down into a mounting position 263, in which it is supported on the wedge support surfaces 108 of the wedge support body 85 ( FIG. 9 ).
  • the wedge 62 via the provided in the region of its lower wedge end 109 captive 203, here via at least one rivet head 209.1, 209.2 of the rivet heads 209.1, 209.2 of the rivet 203, on the previously mentioned wedge-leading edge 223.1, 223.2 or at the already abutting mentioned wedge-leading edges 223.1, 223.2 fitting, down tangentially into the receiving pocket 132 out.
  • connection head 61 is moved forward with its slot 67, at the level of the perforated disk 44, radially forwards 79 in a substantially horizontal direction 105 to the perforated disk 44 until the wedge 62 in the region of its upper wedge end 181 on the outer surface 54.1 of Stiels 41 strikes, as from a comparison of Figures 10 and 11 seen.
  • the further process sequence according to the invention has already been described above, so that reference may be made to these statements.
  • the fitter 265 can grasp the wedge of said other terminal head 61 by hand, as shown, and then swing the wedge 62 upwards by hand to a vertical pivotal position, from which the wedge 62, upon release, is gravitational its own weight or possibly after a hammer blow, down through the associated aperture 55.1 of this other perforated disc 44 into and through the lower wedge opening of this other connection head 61, also in a locking position 88 passes.
  • the scaffold bar 45 is positively locked in this way with its two connecting heads 61, 61 at least in the manner described above with the respective perforated disc 44, 44, the scaffold bar 45 is already so well secured that it is a sufficiently good for the fitter 265 Safety against lateral falling offers.
  • the fitter 265 can then, as in FIG. 4 by way of example, now enter the adjacent scaffold floor 269 of the adjacent scaffold panel 270.2, which is secured against lateral falling by means of the scaffold as a leading hip or back railing 268 mounted and can from there the wedge 62 of the front connection head 61 and, if so has not yet happened, even the wedge 62 of the other terminal head 61 by means of a hammer beat wedged, so then in this way both connection heads 61, 61 by means of the respective wedge 62, 62 with the respectively associated Perforated disk 44, 44 and with the respectively associated handle 41, 41 are braced.
  • FIG. 2 illustrates that the installer 265 has a further scaffold bar 45 as a knee bar 277 beneath the previously mounted or initially mounted scaffold bar 45 acting as a hip or back railing 268, at the perforated discs 44 arranged there at about half height above the scaffold floor 269 of the scaffold field 270. 44 fasten.
  • the fitter 265 standing on the framework floor 269 of this framework field 270.2, attach this further scaffold bar 45 with its two connecting heads 61, 61 in each case laterally or tangentially to the respective associated perforated disc 44, 44.
  • FIG. 1 illustrates that the installer 265 has a further scaffold bar 45 as a knee bar 277 beneath the previously mounted or initially mounted scaffold bar 45 acting as a hip or back railing 268, at the perforated discs 44 arranged there at about half height above the scaffold floor 269 of the scaffold field 270. 44 fasten.
  • the fitter 265 standing on the framework floor 269 of this framework field 270.2, attach this further scaffold bar 45 with its two connecting heads 61, 61 in each
  • FIGS. 37 to 51 a second embodiment of an inventive arrangement 530 or a framework element 345 or a connection head 361 with an associated wedge 362 is shown.
  • This arrangement 530 differs from that in the FIGS. 21 to 25 shown arrangement 230 solely in the design of the connection head and the wedge.
  • Corresponding changed elements, parts and dimensions are in the FIGS. 37 to 51 provided with the reference numeral 300, while the same elements, parts and dimensions are provided with the same reference numerals. Accordingly, in the second embodiment, for example, the terminal head with the reference numeral 361 and the wedge with the reference numeral 362 are provided.
  • the scaffolding element or the scaffold post 41 with its at least one projection or with its at least one perforated disc 44 and the scaffold tube or rod element 53 are designed and formed the same, as in the arrangement 230 according to the first embodiment , It is understood, however, that these elements or components in the context of the invention individually or in combination may also be designed differently and / or formed.
  • the Indian FIG. 51 Wedge 362 according to the second embodiment shown separately in an installed position is similar in shape or shape to a wedge known from the prior art.
  • the wedge 362 is also made of flat material, in particular steel. It has a substantially constant wedge thickness 445. This is about 6 mm in the embodiment.
  • the wedge 362 has mutually facing, parallel wedge side surfaces 461.1, 461.2.
  • the wedge 362 is bounded at the rear 52 with a rear, first wedge front edge 462 and forward 79 with a front, second wedge front edge 463.
  • the rear or first wedge front edge 462 is bounded by a rear, substantially flat contact surface 468 which extends obliquely downwards 115 and front 79 at an inclination angle 470 to the vertical axis 148.
  • the inclination angle 470 is in the embodiment shown about eight degrees, in particular 7.7 degrees.
  • the front or second wedge front edge 463 has a substantially planar contact surface 466.
  • the contact surface 466 of the front and second wedge leading edge 463 faces forward 79 away from the rearward facing 52 rear contact surface 468 of the rear and first wedge leading edge 462, respectively.
  • the vertical front contact surface 466 transitions upwardly 110 with a radius of curvature 484, preferably of about 5 mm, into an upper impact surface 483 at the upper wedge end 481 or impact end of the wedge 362, respectively.
  • the upper wedge end 481 or Ein facedde is formed with a horizontal, perpendicular to the vertical axis 148 extending upper wedge edge 482. This is limited with the upper wedge wedge surface 483 for driving the wedge 362 with a hammer.
  • the wedge-wedge surface 483 is in the region of its rear upper end 485, in particular with a, for example, also about 5 mm amounting radius 486, rounded, in the rear oblique contact surface 468 of the first wedge-front edge 462 over.
  • the upper wedge portion 490 delimited by the inclined contact surface 468, the upper wedge wedge surface 483 and the vertical contact surface 466 extends when the terminal head 361 is slotted with its slot 67 onto the projection or perforated disc 44 and into one or more of them Locking position 388 is locked and clamped, over the upper head portion 374 of the connection head 361 vertically upward 110 addition (see, for example Figure 38 ).
  • the upper wedge part 490 has a maximum wedge part width 491 in the region of the upper wedge end 481.
  • the wedge 362 has a length of about 140 mm.
  • the vertical, rear contact surface 468 is in a, about 33 mm, distance 492 of the lower wedge end 409 in a forward 79 and down 115 inclined inclined surface 493, which at a, preferably about 13 degrees, inclination angle 495 to the vertical Axis 148 is formed.
  • the inclined surface 493 merges at a distance 496, preferably approximately 20 mm, from the lower wedge end 409 into a vertical surface 497, running parallel to the vertical axis 148, of the rear or first wedge front edge 462.
  • the wedge 362 has a lower wedge width 498 between the vertical surfaces 497, 505 running parallel thereto, the rear and the front wedge front edges 462 and 463. This is in the exemplary embodiment about 11 mm.
  • the said vertical surface 497 extends parallel to the vertical axis 148 over a length 499. This is in the exemplary embodiment about 10 mm.
  • the vertical surface 497 merges downwardly 115 into a wedge end surface 500 of a wedge end portion 501 bounding the lower wedge end 409.
  • the wedge end surface 500 of the lower wedge end portion 501 is rounded to a radius 504 greater than half of the lower wedge width 498 in which the wedge 362 extends from the rearward vertical surface 497 of the rear wedge end edge 462 and is bounded by the front, parallel thereto vertical surface 505 of the front and second wedge front edge 463.
  • the wedge-end surface 500 rises slightly rearward 52 on the said rear vertical surface 497, so that there is a raised 506 is formed.
  • the rounded wedge end face 500 of the lower wedge end part 501 merges tangentially into the front contact face 466 of the front and second wedge end edge 463, respectively, in a portion associated with the front, second wedge leading edge 463.
  • the wedge 362 has a rearwardly or outwardly 52 facing rear edge or first wedge front edge 462, which has a substantially planar contact surface 468 extending obliquely outwards 52 and downwards 115 at an angle of inclination 470 to the vertical axis 148 along a sloping axis 469.
  • the contact surface 468 of the first wedge-front edge 462 is located when the wedge 362 is in the locking position 388 and the terminal head 361 is braced by means of the wedge 362 with the vertical framework member 41, or when the wedge 362 in the locked position 388, only locally in the region of the upper recess edge 580 of an opening 55; 55.1 of the projection or the perforated disc 44 on the inward and forward facing 79 vertical wedge support surface 229 of the outer projection portion 97 at.
  • the wedge 62 furthermore has a front edge or second wedge end edge 463, which points in the transverse direction 118 forwards or inwards 79, and has a substantially planar vertical contact surface 366 extending parallel to the vertical axis 148 or rectilinearly.
  • This contact surface 366 corresponds both to the upper wedge support surface 525 of the upper head part 374 and to the lower wedge support surface 531 of the lower head part 375 such that the vertical contact surface 366 of the wedge 362 and the vertical wedge support Surfaces 525, 531 of the connection head 361 parallel to each other and lying flat against each other, relative to each other along or in the direction of the vertical axis 148, are displaced.
  • the wedge 362 of the connection head 361 when the connection head 361 intended on a projection or on a perforated disc 44 of a vertical framework element or scaffold 41 is placed such that the wedge by the in the upper head part 374 and in the lower head portion 375 formed passage 384, crossing the slot 67 through an opening 55; 55.1 of the projection or the perforated disc 44 is inserted therethrough and is accordingly in a locking position 388, with its front, pointing in the direction of the vertical framework element or scaffold post 41, straight front edge 463 or with their contact surface 466 to the corresponding wedge support -Faces 525, 531 of the straight inner edges of the connection head 361, while the wedge 362 at the same time with its rear, away from the vertical frame member or the scaffolding stalk 41 away, oblique trailing edge 362 and their contact surface 468 point or horizontal line-line the vertically or vertically extending inner edge or its wedge support surface 229 of an opening 55; 55.1, 55.2. at the upper recess edge 280 of the projection or
  • the Zentrierlappen 550.1, 550.2, 550.3 in the second embodiment shown now no longer designed the same and no longer offset in the same circumferential angles to each other.
  • the two Zentrierlappen 550.1 and 550.3 are arranged offset in a circumferential angle 551.1 of about 180 degrees to each other.
  • the two Zentrierlappen 550.1 and 550.3 viewed in the circumferential direction between the two Zentrierlappen 550.1 and 550.3 arranged further Zentrierlappen 550.2 to the adjacent Zentrierlappen 550.1, 550.3 each offset in a same circumferential angle 551.2 of only about 90 degrees ( FIG. 46 ).
  • the said further centering tab 550.2 is assigned to the lower head part 375 of the connection head 361.
  • the inclination angle 436 of the zinc spout 447 in the connection head 361 according to the second embodiment is increased from about 57 degrees to about 75 degrees to the inclination angle 136 of the zinc spout 447 in the connection head 361 according to the first embodiment.
  • the vertical section FIG. 18 formed or shown cross-sectional area of the wedge support body 385 increases accordingly. This in turn results in casting-technical advantages and also an overall greater carrying capacity of the connection head 361 in relation to the connection head 61.
  • the slot 67 in the region of its slot bottom 103.1, 103.2 is also located below the connection head 361 according to the second exemplary embodiment in the insertion area 93; 93.1 formed horizontal upper slot surfaces 95.1 of the slot 67 extending paragraph 400 of the upper head portion 374 which is limited down 115 with a horizontal upper paragraph slot surface 107 of the slot 67 and the paragraph 400.
  • the shoulder 400 of the connection head 361 is delimited to the front 79, ie towards the insertion region 93 of the slot 67, with an oblique surface 113 of a front insertion bevel 282. This extends obliquely downwards 115 and rearward or outward 52 toward the slot bottom 103.1, 103.2 and merges in the outward or rearward direction 52 into the horizontal shoulder slot surface 107 of the shoulder 400.
  • the inclined surface 113 includes with the horizontal 274 and the paragraph slot surface 107 a, preferably about 20 degrees amount, inclination angle 283 a.
  • the paragraph 400 is additionally provided with lateral insertion bevels 585.1, 585.2.
  • Each of these lateral chamfers 585.1, 585.2 is provided with an inclined surface 586.1, 586.2, which extends from the horizontal paragraph slot surface 107 of the paragraph 400 obliquely upward 110 and laterally to the respective vertical outer surface 72.1, 72.2 of the respective upper side wall portion 71.1, 71.2 out extends.
  • the inclined surfaces 586.1, 586.2 include with the horizontal 274 or with the heel-slot surface 107 a, preferably about 20 degrees, inclining angle 587.1, 587.2 ( FIG. 48 ).
  • connection head 361 This makes it easier to put on or push on the connection head 361 in a direction perpendicular to the vertical plane 90 or perpendicular to the transverse direction 118 and perpendicular to the vertical axis 148 or in the tangential direction onto the projection or perforated disk 44.
  • connection head 361 in the direction of forward 79 or in the radial direction on the Projection or on the perforated disc 44 is not possible, for example, because there is no sufficient space available or because the provided with the connection head 361 scaffolding component 45 already at its end facing away from the connection head 361 end 56.2, in particular by means of a second connection head 61 or 361 and a second wedge 62 or 362 is already attached to a projection or on a perforated disc 44 of another vertical scaffolding element or scaffold post 41 by means of the inserted through the opening 55 second wedge 62 or 362 such that the scaffold member 45 in a Horizontal plane relative to the projection 44 is pivotable.
  • both the upper horizontal wall part 513 of the connection head 361 with respect to the upper horizontal wall part 213 of the connection head 61 and the rear wall part 520 of the connection head 361 with respect to the rear wall part 220 of the connection head 361 were slightly changed in their design.
  • connection head 361 Further adjustments in the design and construction of the connection head 361 in comparison to the connection head 61 are due to the changed wedge 362 and its position in the passage 384.
  • the upper abutment wall portion 363.1 and the lower abutment wall portion 363.2 in the example in FIG. 41 shown vertical cross section, now considered in the vertical direction 110, 115 constant or same thickness 588 on.
  • the thickness 588 is preferably about 8.0 mm.
  • the outwardly 52-facing wedge support surfaces 525, 531 of both the upper abutment wall portion 363.1 of the upper head portion 374 and the lower abutment wall portion 363.2 of the lower head portion extend 375 now parallel to the two plant support surfaces 65.1 and 65.2.
  • connection heads 61 and 361 differ, as can be seen from the figures, only in a few or minor details, which need not be discussed in greater detail here.
  • FIGS. 37 to 51 a third embodiment of an inventive arrangement 830 or a scaffold component or a connection head 661 is shown with an associated wedge 362.
  • This arrangement 830 differs from that in the FIGS. 37 to 51 shown arrangement 530 according to the second embodiment exclusively in the design of the connection head.
  • To the connection head 661 includes a wedge 362, as he already in connection with the second embodiment, in particular in FIG. 51 shown and described above.
  • Corresponding changed elements, parts and dimensions are in the Figures 52 to 65 again provided with the reference number increased by 300, while the same elements, parts and dimensions are provided with the same reference numerals.
  • the terminal head is provided with the reference numeral 661 and the slot with the reference numeral 667.
  • the vertical scaffolding element or the scaffold stick 41 with its at least one projection or with its at least one perforated disc 44 and the scaffold tube or rod element 53 are designed and formed the same, as in the arrangement 230 and 530 according to the first and second embodiments. It is understood, however, that these elements or components within the scope of the invention, individually or in combination, also differently designed and / or can be formed.
  • an identical wedge 362 is provided as in the second embodiment (see FIG. 51 ), so that in this respect can be made to the above statements.
  • connection head 661 in contrast to both the first embodiment and the second embodiment, in the connection head 661 according to the third embodiment, the "paragraph" is omitted.
  • the slot 667 of the connection head 661 is, in the same or similar manner or design as known from the prior art connection heads, in particular the applicant, not only down 115 out with substantially flat, lower, horizontal slit surfaces 96.2 extending, starting from the lower end of the upper insertion portion 93.1 to the slot bottom 103; 103.1, 103.2, except transitional or transition regions, extend horizontally throughout, but the slot 667 is also bounded towards the top 110 with substantially upper horizontal slot surfaces 695.1, 695.2 extending from the lower end of the lower insertion portion 93.2 up to the Slot bottom 103; 103.1, 103.2, excluding transition radii or transitional areas, extending horizontally throughout.
  • connection head 661 is supported, when the connection head 661 is intended to be plugged onto the projection or the perforated disc 44 and when the wedge 362 is in the locking position 388 and the connection head 661 with the aid of the wedge 362 is braced with the vertical scaffolding or scaffolding handle 41 and / or, when the wedge 362 is in the locking position 388, with said horizontal upper slot surfaces 695.1, 695.2 of the slot 667 directly on the horizontal upper boundary surface 48 of the projection or the Perforated disk 44 flat.
  • the wedge support body 685 comprising the wedge support surfaces 108 is bounded at the bottom 115 by a substantially planar, horizontal, upper slot surface 695 of the slot 667 defined by the slot surfaces 695.1, 695.2 of FIG Schlitzes 667 spanned horizontal plane is arranged.
  • the slot 667 is therefore delimited overall in the upward direction 110 by a substantially flat upper slot surface 695.1, 695.2.
  • the wedge support body 685 continues to extend continuously between the upper side wall portions 71.1 and 71.2 of the connection head 661 and is integrally formed or connected to the side wall portions 71.1, 71.2.
  • the connection head 661 is the same or at least substantially the same design as the connection head 361 according to the second embodiment.
  • connection head 361 with associated wedge 362 according to the second embodiment and for the connection head 661 with associated wedge 362 according to the third embodiment, or for at least one such connection head 361 and 661, each with associated wedge 362 scaffolding component it is that this or this according to the inventive arrangement, in particular according to claims 1 to 9, is formed and that thus the method according to the invention, in particular according to claims 10 to 16, in the same way or according to executable. It is understood that the invention is not limited to the embodiments shown in the figures and described above, but that an inventive arrangement or a fastening method according to the invention in the context of the underlying in the claims and in the description of the invention also differently designed, dimensioned and / or can be designed or carried out.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Clamps And Clips (AREA)
  • Ladders (AREA)
  • Bridges Or Land Bridges (AREA)
  • Tables And Desks Characterized By Structural Shape (AREA)

Claims (16)

  1. Agencement d'un élément d'échafaudage vertical (41) et d'une pièce d'échafaudage (45) qui comprend au moins une tête d'accouplement (61, 361, 661) et une clavette (62, 362) pour former une liaison amovible avec l'élément d'échafaudage vertical (41), sachant qu'un élément en saillie (44), s'étendant transversalement à l'axe longitudinal (47) de l'élément d'échafaudage vertical (41) - donc dans une direction transversale (118)- et présentant un évidement sous la forme d'un orifice traversant (55 ; 55.1, 55.2) pour y insérer la clavette (62, 362), est fixé sur l'élément d'échafaudage vertical (41) s'étendant dans la direction de l'axe longitudinal (47),
    et sachant que la tête d'accouplement (61, 361, 661), à l'aide de la clavette (62, 362) pouvant être insérée dans l'orifice traversant (55 ; 55.1, 55.2) de l'élément en saillie (44) afin de former la liaison amovible, peut être verrouillée à l'élément en saillie (44) en engagement positif et reliée avec serrage à l'élément d'échafaudage vertical (41),
    et sachant que la tête d'accouplement (61, 361, 661) présente une partie de tête supérieure (74, 374) dotée d'une ouverture à clavette supérieure (80) et une partie de tête inférieure (75, 375) dotée d'une ouverture à clavette inférieure (81), pour la clavette (62, 362) pouvant être insérée dans les ouvertures à clavette (80, 81),
    et sachant qu'une encoche horizontale (67, 667) ouverte vers l'avant (79) est disposée entre la partie de tête supérieure (74, 374) et la partie de tête inférieure (75, 375), pour emmancher la tête d'accouplement (61, 361, 661) sur l'élément en saillie (44) vers l'avant (79) dans une direction d'emmanchement (105) essentiellement horizontale, et sachant que l'encoche horizontale (67, 667) est délimitée vers le haut (110) et vers le bas (115) par des surfaces d'encoche (95.1, 95.2; 96.1, 96.2; 99.1, 99.2; 107 ; 695.1, 695.2) qui s'étendent de part et d'autre d'un plan médian horizontal (68) de l'encoche horizontale (67, 667),
    et sachant que la tête d'accouplement (61, 361, 661) présente un corps (85, 385, 685) de soutien de clavette doté de surfaces (108) de soutien de clavette et disposé au-dessus de l'encoche horizontale (67, 667) en recouvrant l'encoche horizontale (67, 667) vers l'avant (79), pour soutenir verticalement la clavette (62, 362) vers le bas (115) dans la région de son extrémité inférieure de clavette (109, 409) afin d'empêcher la clavette (62, 362) de se déplacer involontairement verticalement vers le bas dans une position de blocage, qui ferait obstacle à l'emmanchement de la tête d'accouplement (61, 361, 661), par son encoche horizontale (67, 667), sur l'élément en saillie (44) vers l'avant (79) dans la direction d'emmanchement (105) essentiellement horizontale,
    et sachant que le corps (85, 385, 685) de soutien de clavette est disposé à l'intérieur (123) de la tête d'accouplement (61, 361, 661),
    et sachant que la tête d'accouplement (61, 361, 661) présente un contre-appui (86) de pivotement de clavette disposé à l'intérieur (123) de la tête d'accouplement (61, 361, 661),
    caractérisé en ce que les surfaces (108) de soutien de clavette du corps (85, 385, 685) de soutien de clavette sont configurées de telle sorte qu'une partie de clavette (190, 490) de la clavette (62, 362) se dresse depuis la partie de tête supérieure (74, 374) vers le haut (110) au-dessus de la partie de tête supérieure (74, 374), et que la clavette (62, 362) peut être pivotée par rapport à la tête d'accouplement (61, 361, 661), dans un plan vertical (90) s'étendant perpendiculairement au plan médian horizontal (68) de l'encoche horizontale (67, 667), dans une position (261, 361, 661) de pivotement de butée inclinée vers l'avant, dans laquelle la partie de clavette (190, 490) de la clavette (62, 362) se dresse depuis la partie de tête supérieure (74, 374) vers le haut (110) au-dessus de la partie de tête supérieure (74, 374) et fait saillie vers l'avant (79) en avant de la partie de tête supérieure (74, 374) de la tête d'accouplement (61, 361, 661), lorsque la clavette (62, 362) est soutenue vers le bas (115) dans la région de son extrémité inférieure de clavette (109, 409) sur les surfaces (108) de soutien de clavette du corps (85, 385, 685) de soutien de clavette,
    et en ce que la tête d'accouplement (61, 361, 661) présente le contre-appui (86) de pivotement de clavette, disposé à l'intérieur (123) de la tête d'accouplement (61, 361, 661), au-dessus des surfaces (108) de soutien de clavette du corps (85, 385, 685) de soutien de clavette qui permettent un soutien vertical de la clavette (62, 362) vers le bas (115),
    et en ce que le contre-appui (86) de pivotement de clavette est configuré de telle sorte que la clavette (62, 362) peut être appliquée ou s'applique dans la région de son extrémité inférieure de clavette (109, 409) contre le contre-appui (86) de pivotement de clavette, lorsque la clavette (62, 362) est soutenue vers le bas (115) dans la région de son extrémité inférieure de clavette (109, 409) sur les surfaces (108) de soutien de clavette du corps (85, 385, 685) de soutien de clavette, et que la clavette (62, 362) peut être pivotée autour du contre-appui (86) de pivotement de clavette vers l'arrière (52) par sa partie de clavette (190, 490) se dressant vers le haut au-dessus de l'ouverture à clavette supérieure (80), et en même temps vers l'avant (79) par son extrémité inférieure de clavette (109, 409), lorsque la clavette (62, 362) est soutenue vers le bas (115) dans la région de l'extrémité inférieure de clavette (109, 409) sur les surfaces (108) de soutien de clavette du corps (85, 385, 685) de soutien de clavette et lorsque la clavette (62, 362) est appliquée contre le contre-appui (86) de pivotement de clavette, afin d'obtenir une libération de la clavette (62, 362), de sorte que la clavette (62, 362), sous l'effet de la pesanteur et/ou avec l'assistance d'une force de ressort, peut parvenir automatiquement verticalement vers le bas (115), avec croisement de l'orifice traversant (55 ; 55.1, 55.2) de l'élément en saillie (44) par l'encoche horizontale (67, 667), jusque dans ou à travers l'ouverture à clavette inférieure (81) dans une position de verrouillage dans laquelle la tête d'accouplement (61, 361, 661) est, à l'aide de la clavette (62, 362), verrouillée à l'élément en saillie (44) en engagement positif en formant la liaison amovible, de sorte que la tête d'accouplement (61, 361, 661) ne peut être retirée de l'élément en saillie (44) dans aucune direction, et ne peut être retirée de l'élément en saillie (44) qu'à la suite d'un déverrouillage de la clavette (62, 362) par une force agissant sur la clavette (62, 362).
  2. Agencement selon la revendication 1, caractérisé en ce que les surfaces (108) de soutien de clavette du corps (85, 385, 685) de soutien de clavette sont disposées à une faible distance verticale (129, 429) au-dessus des surfaces d'encoche (95.1, 95.2 ; 96.1, 96.2 ; 99.1, 99.2 ; 107 ; 695.1, 695.2) qui délimitent vers le haut l'encoche horizontale (67, 667).
  3. Agencement selon l'une des revendications précédentes, caractérisé en ce que le corps (85, 385, 685) de soutien de clavette est disposé dans la région des surfaces d'encoche verticales (102.1, 102.2) d'un fond d'encoche (103.1, 103.2) qui délimitent vers l'arrière (52) l'encoche horizontale (67, 667), et/ou dans une région arrière de l'encoche horizontale (67, 667).
  4. Agencement selon l'une des revendications précédentes, caractérisé en ce que le corps (85, 385, 685) de soutien de clavette présente une poche réceptrice (132) pour recevoir et soutenir au moins une partie de clavette (201, 501) prévue à l'extrémité inférieure de clavette (109, 409) de la clavette (62, 362).
  5. Agencement selon la revendication 4, caractérisé en ce que la poche réceptrice (132), considérée dans une coupe verticale contenant le plan vertical (90), présente un contour intérieur (133) qui correspond à un contour extérieur correspondant (135) d'une ou de la partie de clavette (201, 501) prévue à l'extrémité inférieure de clavette (109, 409) de la clavette (62, 362).
  6. Agencement selon l'une des revendications précédentes, caractérisé en ce que le contre-appui (86) de pivotement de clavette est disposé dans la région de l'ouverture à clavette supérieure (80) et délimite l'ouverture à clavette supérieure (80) vers l'arrière (52) et vers le bas (115).
  7. Agencement selon l'une des revendications précédentes, caractérisé en ce que la tête d'accouplement (61, 361, 661) présente des surfaces (144.1, 144.2) de soutien de centrage pour la clavette (62, 362), disposées de part et d'autre du plan vertical (90) et entre lesquelles la clavette (62, 362) est soutenue latéralement avec un faible jeu dans la région de son extrémité inférieure de clavette (109, 409), lorsque la clavette (62, 362) s'appuie contre les surfaces (108) de soutien de clavette du corps (85, 385, 685) de soutien de clavette.
  8. Agencement selon la revendication 7, caractérisé en ce que les surfaces (144.1, 144.2) de soutien de centrage sont disposées dans la région du corps (85, 385, 685) de soutien de clavette ou dans la région de la poche réceptrice (132), et/ou en ce que les surfaces (144.1, 144.2) de soutien de centrage délimitent latéralement une ou la poche réceptrice (132).
  9. Agencement selon l'une des revendications précédentes, caractérisé en ce que l'ouverture à clavette supérieure (80) est délimitée au moins sur un côté par une partie de paroi supérieure (220, 520) de la partie de tête supérieure (74, 374), laquelle est délimitée, à l'intérieur (123) de la tête d'accouplement (61, 361, 661), par une arête oblique (223.1, 223.2) de guidage de clavette s'étendant vers l'arrière (52) et vers le bas (115), le long de laquelle peut être guidé, lors d'un déplacement de la clavette (62, 362) par rapport à la tête d'accouplement (61, 361, 661), un moyen de retenue (203) prévu dans la région de l'extrémité inférieure de clavette (109, 409) ou sur l'extrémité inférieure de clavette (109, 409).
  10. Procédé de fixation d'une pièce d'échafaudage (45, 345, 645), présentant au moins une tête d'accouplement (61, 361, 661) et une clavette (62, 362), sur un élément d'échafaudage vertical (41) s'étendant dans la direction d'un axe longitudinal (47), élément sur lequel est fixé un élément en saillie (44), s'étendant transversalement à l'axe longitudinal (47) de l'élément d'échafaudage (41) - donc dans une direction transversale (118) - et présentant un évidement sous la forme d'un orifice traversant (55 ; 55.1, 55.2) pour y insérer la clavette (62, 362), sachant que la tête d'accouplement (61, 361, 661) présente une partie de tête supérieure (74, 374) dotée d'une ouverture à clavette supérieure (80) et une partie de tête inférieure (75, 375) dotée d'une ouverture à clavette inférieure (81), pour la clavette (62, 362) pouvant être insérée dans les ouvertures à clavette (80, 81), et sachant qu'une encoche (67, 667) ouverte vers l'avant (79) est disposée entre la partie de tête supérieure (74, 374) et la partie de tête inférieure (75, 375) pour emmancher la tête d'accouplement (61, 361, 661) sur l'élément en saillie (44), et sachant que l'encoche (67, 667) est délimitée vers le haut (110) et vers le bas (115) par des surfaces d'encoche (95.1, 95.2 ; 96.1, 96.2 ; 99.1, 99.2 ; 107 ; 695.1, 695.2) qui s'étendent de part et d'autre d'un plan médian (68) de l'encoche (67, 667), et sachant que la tête d'accouplement (61, 361, 661) présente un corps (85, 385, 685) de soutien de clavette doté de surfaces (108) de soutien de clavette et disposé au-dessus de l'encoche (67, 667) en recouvrant l'encoche (67, 667) vers l'avant (79), pour soutenir verticalement la clavette (62, 362) vers le bas (115) dans la région de son extrémité inférieure de clavette (109, 409) afin d'empêcher la clavette (62, 362) de se déplacer involontairement verticalement vers le bas dans une position de blocage, qui ferait obstacle à l'emmanchement de la tête d'accouplement (61, 361, 661), par son encoche (67, 667), sur l'élément en saillie (44) vers l'avant (79) dans une direction d'emmanchement (105) essentiellement horizontale,
    sachant qu'afin de former une liaison amovible selon laquelle la tête d'accouplement (61, 361, 661) est, à l'aide de la clavette (62, 362) insérée dans l'évidement, verrouillée en engagement positif à l'élément d'échafaudage vertical (41), la tête d'accouplement (61, 361, 661) est, par son encoche (67, 667), emmanchée dans une ou la direction d'emmanchement (105) essentiellement horizontale sur l'élément en saillie (44) de l'élément d'échafaudage vertical (41),
    et sachant que le corps (85, 385, 685) de soutien de clavette est disposé à l'intérieur (123) de la tête d'accouplement (61, 361, 661),
    et sachant que la tête d'accouplement (61, 361, 661) présente un contre-appui (86) de pivotement de clavette disposé à l'intérieur (123) de la tête d'accouplement (61, 361, 661),
    caractérisé en ce que les surfaces (108) de soutien de clavette du corps (85, 385, 685) de soutien de clavette sont configurées de telle sorte qu'une partie de clavette (190, 490) de la clavette (62, 362) se dresse depuis la partie de tête supérieure (74, 374) vers le haut (110) au-dessus de la partie de tête supérieure (74, 374), et que la clavette (62, 362) peut être pivotée par rapport à la tête d'accouplement (61, 361, 661), dans un plan vertical (90) s'étendant perpendiculairement au plan médian (68) de l'encoche (67, 667), dans une position (261, 361, 661) de pivotement de butée inclinée vers l'avant, dans laquelle la partie de clavette (190, 490) de la clavette (62, 362) se dresse depuis la partie de tête supérieure (74, 374) vers le haut (110) au-dessus de la partie de tête supérieure (74, 374) et fait saillie vers l'avant (79) en avant de la partie de tête supérieure (74, 374) de la tête d'accouplement (61, 361, 661), lorsque la clavette (62, 362) est soutenue vers le bas (115) dans la région de son extrémité inférieure de clavette (109, 409) sur les surfaces (108) de soutien de clavette du corps (85, 385, 685) de soutien de clavette,
    et en ce que la tête d'accouplement (61, 361, 661) présente le contre-appui (86) de pivotement de clavette, disposé à l'intérieur (123) de la tête d'accouplement (61, 361, 661), au-dessus des surfaces (108) de soutien de clavette du corps (85, 385, 685) de soutien de clavette qui permettent un soutien vertical de la clavette (62, 362) vers le bas (115),
    et en ce que le contre-appui (86) de pivotement de clavette est configuré de telle sorte que la clavette (62, 362) peut être appliquée ou s'applique dans la région de son extrémité inférieure de clavette (109, 409) contre le contre-appui (86) de pivotement de clavette, lorsque la clavette (62, 362) est soutenue vers le bas (115) dans la région de son extrémité inférieure de clavette (109, 409) sur les surfaces (108) de soutien de clavette du corps (85, 385, 685) de soutien de clavette, et que la clavette (62, 362) peut être pivotée autour du contre-appui (86) de pivotement de clavette vers l'arrière (52) par sa partie de clavette (190, 490) se dressant vers le haut au-dessus de l'ouverture à clavette supérieure (80), et en même temps vers l'avant (79) par son extrémité inférieure de clavette (109, 409), lorsque la clavette (62, 362) est soutenue vers le bas (115) dans la région de l'extrémité inférieure de clavette (109, 409) sur les surfaces (108) de soutien de clavette du corps (85, 385, 685) de soutien de clavette et lorsque la clavette (62, 362) est appliquée contre le contre-appui (86) de pivotement de clavette, afin d'obtenir une libération de la clavette (62, 362), de sorte que la clavette (62, 362), sous l'effet de la pesanteur et/ou avec l'assistance d'une force de ressort, peut parvenir automatiquement verticalement vers le bas (115), avec croisement de l'orifice traversant (55 ; 55.1, 55.2) de l'élément en saillie (44) par l'encoche (67, 667), jusque dans ou à travers l'ouverture à clavette inférieure (81) dans une position de verrouillage dans laquelle la tête d'accouplement (61, 361, 661) est, à l'aide de la clavette (62, 362), verrouillée à l'élément en saillie (44) en engagement positif en formant la liaison amovible, de sorte que la tête d'accouplement (61, 361, 661) ne peut être retirée de l'élément en saillie (44) dans aucune direction, et ne peut en être retirée qu'à la suite d'un déverrouillage de la clavette (62, 362) par une force agissant sur la clavette (62, 362),
    et en ce que la clavette (62, 362) a été ou est transférée dans une position de montage (263) permettant un emmanchement de la tête d'accouplement (61, 361, 661) par son encoche (67, 667) dans une ou la direction d'emmanchement (105) essentiellement horizontale sur l'élément en saillie (44) sans blocage par la clavette (62, 362), position dans laquelle la clavette (62, 362) est, dans la région de son extrémité inférieure de clavette (109, 409), soutenue sur les surfaces (108) de soutien de clavette du corps (85, 385, 685) de soutien de clavette de la tête d'accouplement (61, 361, 661) qui est disposé au-dessus de l'encoche (67, 667) en recouvrant l'encoche (67, 667) vers l'avant (79), et dans laquelle la partie de clavette (190, 490) de la clavette (62, 362) se dresse depuis la partie de tête supérieure (74, 374) vers le haut (110) au-dessus de la partie de tête supérieure (74, 374) et fait saillie vers l'avant (79) en avant de la partie de tête supérieure (74, 374),
    et en ce que la tête d'accouplement (61, 361, 661), conjointement avec la clavette (62, 362) se trouvant dans la position de montage (263), est déplacée par son encoche (67, 667) en direction de l'élément en saillie (44) dans une ou dans la direction d'emmanchement (105) essentiellement horizontale et/ou est emmanchée sur l'élément en saillie (44), jusqu'à ce que la clavette (62, 362), par sa partie de clavette (190, 490) se dressant depuis la partie de tête supérieure (74, 374) vers le haut (110) au-dessus de la partie de tête supérieure (74, 374), vienne buter, dans une ou la position (261, 361, 661) de pivotement de butée, contre une partie (241.1) d'élément d'échafaudage de l'élément d'échafaudage vertical (41) s'étendant au-dessus de l'élément en saillie (44),
    à la suite de quoi la tête d'accouplement (61, 361, 661) est, par son encoche (67, 667), déplacé plus vers l'avant (79) dans une ou dans la direction d'emmanchement (105) essentiellement horizontale, de sorte que la partie de clavette (190, 490) de la clavette (62, 362) appliquée contre la partie (241.1) d'élément d'échafaudage est pivotée vers l'arrière (52) par rapport à la tête d'accouplement (61, 361, 661),
    sachant qu'alors ou ensuite, la clavette (62, 362) s'applique contre le contre-appui (86) de pivotement de clavette disposé au-dessus des surfaces (108) de soutien de clavette du corps (85, 385, 685) de soutien de clavette, contre-appui autour duquel la clavette (62, 362) est alors pivotée par rapport à la tête d'accouplement (61, 361, 661) de telle sorte que sa partie supérieure de clavette (190, 490) est pivotée vers l'arrière (52) et qu'en même temps son extrémité inférieure de clavette (109, 409) est pivotée vers l'avant (79), sachant que pendant ce temps, la clavette (62, 362) reste encore toujours soutenue contre les surfaces (108) de soutien de clavette du corps (85, 385, 685) de soutien de clavette dans la ou une position de montage correspondante au moins jusqu'à l'atteinte d'une position limite d'emboîtement (262, 362) à partir de laquelle la clavette (62, 362), en cas de poursuite de l'enfoncement de la tête d'accouplement (61, 361, 661) dans une ou dans la direction d'emmanchement (105) essentiellement horizontale sur l'élément en saillie (44), parviendrait automatiquement vers le bas sous l'effet de la pesanteur et/ou avec l'assistance d'une force de ressort,
    sachant que la tête d'accouplement (61, 361, 661), par son encoche (67, 667) alors horizontale qui est délimitée vers le haut (110) et vers le bas (115) par les surfaces d'encoche (95.1, 95.2 ; 96.1, 96.2 ; 99.1, 99.2 ; 107 ; 695.1, 695.2) qui s'étendent de part et d'autre du plan médian (68) de l'encoche horizontale (67, 667) alors configuré comme plan médian horizontal (68), est enfoncée plus vers l'avant (79) sur l'élément en saillie (44) au-delà de la position limite d'emboîtement (262, 362), de sorte que la clavette (62, 362) est libérée des surfaces (108) de soutien de clavette du fait de son pivotement autour du contre-appui (86) de pivotement de clavette, à la suite de quoi la clavette (62, 362), par son extrémité inférieure de clavette (109, 409), sous l'effet de la pesanteur et/ou avec l'assistance d'une force de ressort, parvient automatiquement, dans ou à travers l'orifice traversant (55.1) de l'élément en saillie (44), jusque dans ou à travers l'ouverture à clavette inférieure (81) dans la position de verrouillage (88) dans laquelle la tête d'accouplement (61, 361, 661) est, à l'aide de la clavette (62, 362), verrouillée à l'élément en saillie (44) en engagement positif en formant la liaison amovible, de sorte que la tête d'accouplement (61, 361, 661) ne peut être retirée de l'élément en saillie (44) dans aucune direction, et ne peut en être retirée qu'à la suite d'un déverrouillage de la clavette (62, 362) par une force agissant sur la clavette (62, 362).
  11. Procédé selon la revendication 10, caractérisé en ce que la pièce d'échafaudage (45, 345, 645), avant sa fixation par la tête d'accouplement (61, 361, 661) sur l'élément en saillie (44), soit en partant d'une position de préparation (276.1) de la clavette (62, 362) dans laquelle celle-ci est rabattue dans la direction d'une ou sur une surface extérieure (155) d'un composant (78) de la pièce d'échafaudage (45, 345, 645) fixement relié à la tête d'accouplement (61, 361, 661), soit en partant d'une position de préparation (276.2) de la clavette (62, 362) dans laquelle celle-ci est emboîtée de manière lâche uniquement à travers l'ouverture à clavette supérieure (80) ou de manière lâche à travers l'ouverture à clavette supérieure (80) et l'ouverture à clavette inférieure (81), est tournée d'un angle allant jusqu'a environ 180 degrés autour d'un axe longitudinal (159) sous la forme d'une ligne d'intersection où se croisent le plan médian (68) de l'encoche (67, 667) et le plan vertical (90) de la tête d'accouplement (61, 361, 661), et/ou autour d'un axe longitudinal (94) de la pièce d'échafaudage (45, 345, 645), de sorte que la clavette (62, 362) est suspendue vers le bas sous l'effet de la pesanteur, en étant soutenue contre les surfaces de soutien intérieures (212) de la partie de tête supérieure (74, 374).
  12. Procédé selon la revendication 10 ou 11, caractérisé en ce qu'à la suite de ou avant ou au lieu de la mesure selon la revendication précédente, la pièce d'échafaudage (45, 345, 645) est, avant sa fixation au moyen de la tête d'accouplement (61, 361, 661) sur l'élément en saillie (44), avec la tête d'accouplement (61, 361, 661) et avec l'encoche (67, 667) en avant, inclinée vers l'avant (79) et le bas (115) dans une position d'inclinaison (272.1) dans laquelle un ou l'axe longitudinal (169), sous la forme d'une ligne d'intersection où se croisent le plan médian (68) de l'encoche (67, 667) et le plan vertical (90) de la tête d'accouplement (61, 361, 661), et/ou un ou l'axe longitudinal (94) de la pièce d'échafaudage (45, 345, 645), présente ou respectivement présentent un angle d'inclinaison (273.1) par rapport à l'horizontale (274, 374), et dans laquelle la clavette (62, 362) est suspendue vers le bas sous l'effet de la pesanteur, en étant soutenue contre les surfaces de soutien intérieures (212) de la partie de tête supérieure (74, 374).
  13. Procédé selon la revendication 12, caractérisé en ce que, dans ladite position d'inclinaison (272.1) de la pièce d'échafaudage (45, 345, 645), la clavette (62, 362) suspendue vers le bas s'appuie par une arête antérieure de clavette (163) contre une partie antérieure de paroi (63.1, 213 ; 363.1, 513) de la partie de tête supérieure (74, 374) qui, dans cette position, est dirigée vers le bas.
  14. Procédé selon la revendication 12 ou 13, caractérisé en ce qu'ensuite, la pièce d'échafaudage (45, 345, 645), en conservant une position d'inclinaison correspondante (272.1), est tournée en retour ou davantage d'un angle d'environ 180 degrés autour de l'axe longitudinal (159) de la tête d'accouplement (61, 361, 661) et/ou autour de l'axe longitudinal (94) de la pièce d'échafaudage (45, 345, 645), de sorte que la clavette (62, 362) parvient ainsi dans une position de pivotement supérieure (253) dans laquelle sa partie de clavette (190, 490), se dressant vers le haut (110) au-dessus de la partie de tête supérieure (74, 374), fait saillie vers l'avant (79) en avant de la partie de tête supérieure (74, 374).
  15. Procédé selon la revendication 14, caractérisé en ce qu'ensuite, la pièce d'échafaudage (45, 345, 645), par sa tête d'accouplement (61, 361, 661), est pivotée à partir de ladite position d'inclinaison (272.1) dans une position d'inclinaison (272.2) moins inclinée, ayant un angle d'inclinaison réduit (273.2) qui est inférieur ou égal à 12 degrés ou qui est inférieur ou égal à sept degrés ou qui est inférieur ou égal à cinq degrés, de sorte que la clavette (62, 362), sous l'effet de la pesanteur et/ou avec l'assistance d'une force de ressort, parvient de la position de pivotement supérieure (253) vers le bas (115) dans la ou une position de montage correspondante (263) dans laquelle elle s'appuie sur les surfaces (108) de soutien de clavette du corps (85, 385, 685) de soutien de clavette.
  16. Procédé selon la revendication 15, caractérisé en ce que, lors du déplacement de la clavette (62, 362) de la position de pivotement supérieure (253) vers le bas dans la position de montage (263), un ou le moyen de retenue (203) prévu dans la région de l'extrémité inférieure de clavette (109, 409) de la clavette (62, 362) est guidé vers le bas (115) conjointement avec la clavette (62, 362) en s'appliquant contre une ou l'arête (223.1, 223.2) de guidage de clavette.
EP12170282.3A 2011-06-01 2012-05-31 Arrangement d'un élément d'échafaudage et d'un composant d'échafaudage et procédé de fixation d'un composant d'échafaudage sur un élément d'échafaudage vertical Active EP2530219B1 (fr)

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EP12769883.5A Active EP2643533B8 (fr) 2011-06-01 2012-05-31 Ensemble comprenant une pièce d'échafaudage et un élément d'échafaudage vertical

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EP2643533B8 (fr) 2014-11-19
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AU2012265292B2 (en) 2015-05-14
WO2012163348A3 (fr) 2013-01-24
WO2012163349A3 (fr) 2013-01-24
AU2012265292A1 (en) 2013-05-02
US9080335B2 (en) 2015-07-14
BR112013021999B1 (pt) 2021-04-27
EP2530219A1 (fr) 2012-12-05
ES2527764T3 (es) 2015-01-29
EP2643533A2 (fr) 2013-10-02
AU2012265293B2 (en) 2015-05-14
PL2530219T3 (pl) 2016-10-31
BR112013021969B1 (pt) 2020-12-15
AU2012265293A1 (en) 2013-05-02
DE102012104697A1 (de) 2012-12-06
BR112013021969A2 (pt) 2016-11-16
US20140030009A1 (en) 2014-01-30
AU2012265293C1 (en) 2015-08-27
EP2643533B1 (fr) 2014-07-16
BR112013021999A2 (pt) 2016-11-29
ZA201305357B (en) 2014-02-26
DE102012104698A1 (de) 2012-12-06
ES2567415T3 (es) 2016-04-22
US20130330117A1 (en) 2013-12-12
PL2643533T3 (pl) 2015-01-30
US8978823B2 (en) 2015-03-17
DE102012104694A1 (de) 2012-12-06

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