EP2642045A2 - Agencement de recouvrement d'au moins deux planches - Google Patents

Agencement de recouvrement d'au moins deux planches Download PDF

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Publication number
EP2642045A2
EP2642045A2 EP13153410.9A EP13153410A EP2642045A2 EP 2642045 A2 EP2642045 A2 EP 2642045A2 EP 13153410 A EP13153410 A EP 13153410A EP 2642045 A2 EP2642045 A2 EP 2642045A2
Authority
EP
European Patent Office
Prior art keywords
thread
hole
plank
screw
locking screw
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP13153410.9A
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German (de)
English (en)
Other versions
EP2642045A3 (fr
EP2642045B1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wilhelm Layher Verwaltungs GmbH
Original Assignee
Wilhelm Layher Verwaltungs GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wilhelm Layher Verwaltungs GmbH filed Critical Wilhelm Layher Verwaltungs GmbH
Priority to PL13153410T priority Critical patent/PL2642045T3/pl
Publication of EP2642045A2 publication Critical patent/EP2642045A2/fr
Publication of EP2642045A3 publication Critical patent/EP2642045A3/fr
Application granted granted Critical
Publication of EP2642045B1 publication Critical patent/EP2642045B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • E04G1/00—Scaffolds primarily resting on the ground
    • E04G1/15—Scaffolds primarily resting on the ground essentially comprising special means for supporting or forming platforms; Platforms
    • E04G1/152—Platforms made of metal or with metal-supporting frame
    • 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
    • E04G5/00—Component parts or accessories for scaffolds
    • E04G5/08—Scaffold boards or planks
    • 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
    • E04G7/28—Clips or connections for securing boards

Definitions

  • the invention relates to an overlapping arrangement of at least two running boards, in particular of at least two scaffolding floors, for a scaffolding, a working platform, a console, a podium or the like, comprising at least a first gangway made of metal, in particular made of sheet steel, and a second gang plank Metal, in particular of sheet steel, of which each gangplate has a running surface of sheet metal, which is preferably substantially distributed over the entire running surface, provided with substantially round through holes, wherein at least a part of the through holes, preferably a majority or substantially all through holes , Each of a one, preferably in each case substantially or approximately the same size, inner diameter spanning, bulging or bulging, peripheral edge of the hole is limited, in particular wherein the hole edge of a portion of these through holes upwards and the hole edge of a part of this through is upwardly bulge holes, and wherein the second gangplank is disposed above the first gangplate and the first gang plank overlaps such that the Running surface of the upper second plank at
  • installation or arrangement areas may be present, for example in the area of corners of buildings in which standardized fixing of scaffold floors is not possible and / or in which gaps of wall areas are to be bridged or should be providable with walk-in scaffolding elements.
  • the scaffolding floors are arranged in their end regions overlapping and inclined to one another in order to be able to provide a continuous running surface.
  • As scaffolding floors are often used runways made of metal.
  • Such runners are for example from the DE 27 54 226 A , of the DE 29 16 826 A , of the DE 79 12 134 U1 , of the DE 198 58 969 A1 , of the DE 198 58 970 A1 or the DE 102 54 033 A1 known.
  • these are Laufplanken also referred to as steel floors, as they are preferably made of steel, especially steel sheet.
  • a particularly advantageous steel sheet bridging gangplank is, for example, from DE 20 2004 021 196 U1 known.
  • these runways are also referred to as steel planks, since they are preferably made of steel, in particular of sheet steel.
  • Such bridging or supplementary floors must be secured against lifting and against lateral displacement for safety reasons.
  • a screw head and a threaded shank having screw the threaded shaft for mounting mounting could be inserted from above or from below by recesses of the secured and at least partially superimposed scaffolding floors.
  • a nut could be screwed onto the threaded shaft and tightened by means of a tool to achieve sufficient security against lateral displacement and lifting of the respective bridging or supplementary floor relative to at least one second fixed to the scaffold floor to be able to.
  • a cylindrical bolt could be used in combination with a Sich ceremoniesssplint, which is inserted after passing through the locking bolt through the holes of the scaffold floors to be connected in a transverse hole of the locking bolt.
  • a connection would not be backlash-free, so that the bridging or supplementary floor would be movable both horizontally and vertically relative to the scaffold-fixed scaffolding floor, which would pose a safety risk.
  • the bottom side should be accessible in any case.
  • the bolt shank has an elastic and flexible recess edge-engagement element, which can be inserted under elastic deformation at least at the recess edge of the recess of a first scaffold floor manually through the recesses of the scaffold floors to be fastened to each other and in the assembled state the recess edge engages behind the recess of the first scaffold floor.
  • a mounting bolt is tool-free mountable and disassembled.
  • fastening bolts designed in this way it is also possible to compensate for tolerances of dimensions of the recesses of the framework floors and / or to compensate for different distances between the recesses edges of the recesses of the scaffold floors to be secured relative to one another, possibly also due to unevenness of the scaffold floors and / or their running surfaces. create.
  • fastening bolts are simple and inexpensive to produce in a rough conditions in the scaffold construction sufficient robustness and are functional even with dirty scaffold floors and safe to use.
  • no play-free connections can be achieved.
  • these fastening bolts can be used only once, at least when connections are required, which meet the highest safety standards in scaffolding. Finally is limited the carrying capacity of these existing plastic mounting bolts.
  • the geometry of the thread of the locking screw is designed so matched to the geometry of the bulging or bulging hole edges of the running boards to be secured, that during the screwing of the locking screw in the through hole or the through holes in Substantially not or not to a plastic deformation and also substantially not or not to an elastic expansion of the or the respective hole edge of the through holes and that the running rails to be secured by means of screwed-in locking screw are positively and positively clamped together or are tense.
  • the bracing by turning in or further turning of the locking screw depending on the applied twisting or tightening torque to low elastic deformation or widening can lead to small plastic deformation in the hole edge area.
  • these small deformations if they occur at all, do not affect the function or quality of the positive and non-positive connection, so they are not relevant for long-term safe practical use.
  • the locking screw with its thread both directly into said through hole of the upper, second runway, as well as directly into said through hole of the lower, first runway substantially without or without a plastic deformation and substantially without or without an elastic expansion of these two through holes is screwed.
  • the thread of the locking screw be designed to be correspondingly long or possibly only in the region of the respective through-hole.
  • such locking screws can also be used for other bridging applications, for example, for securely screwing a corresponding through holes, separate covering surface made of metal, in particular a separate lining plate, with one or more of the running boards for closing gaps between two overlapping running boards.
  • the first gangplank and the second gangplank only with the help of the locking screw, so free of further auxiliary fasteners and / or without the aid of a nut screwed onto the locking screw, with the help of the locking screw against lifting each other and against lateral displacement secured relative to each other to clamp with force and form fit.
  • the first gangplank and the second gangplate only with the help of the locking screw so free of further auxiliary fasteners and / or without the aid of a screwed onto the locking screw nut, with the help of the locking screw against lifting each other and against lateral displacement secured relative to each other with each other are positively and positively clamped.
  • the through-holes through which the locking screw protrudes or in which the locking screw is screwed with its thread, span a substantially or approximately equal inner diameter.
  • the locking screw can be designed throughout with a same thread, in particular so that at one and the same locking screw no different size thread diameter must be present.
  • the thread has a threaded outer diameter which is slightly, that is only about 1.5 to 5.0 percent larger than the inner diameter of that through hole into which the locking screw is screwed with its thread or only by about 1.5 to 5.0 percent larger than the inner diameter of those through holes into which the locking screw is screwed with its thread.
  • the thread outer diameter of the thread is larger by about 3.0 percent than the inner diameter of the through hole into which the locking screw is screwed with its thread or by about 3.0 percent greater than the inner diameter of those through holes into which the locking screw is screwed with its thread.
  • the inner diameter of the through hole is about 13.0 mm to 14.0 mm, in particular about 13.2 to 13.6 mm, and that the thread outer diameter is about 13.7 mm to 14.3 mm, in particular about 14.0 mm.
  • Such a diameter pairing has proven to be particularly advantageous in the above sense when using the successfully proven in practice walkways of the applicant.
  • the thread has a thread pitch which is approximately 0.25 to 0.35 times, in particular approximately 0.3 times, the inner diameter of the through hole into which the locking screw is screwed or the respective inner diameter of those through holes into which the locking screw is screwed.
  • the beaded hole edges circumferentially, each viewed in a cross section containing a through hole axis, are limited with an inner radius and that the thread has a pitch that corresponds approximately to the inner radius or the same large or slightly smaller or slightly larger than the inner radius.
  • the thread has a thread pitch of about 3.5 mm to 5.0 mm, in particular of about 4.0 mm.
  • the locking screw can be screwed into the through hole of the gangplank or in the through holes of the plank and thus screwed and tightened with the gangplank or with the running planks particularly easily and without jamming.
  • the thread can preferably be designed such that the thread has a flank angle which is about 35 degrees to 50 degrees, in particular about 42 degrees.
  • the thread may have a core diameter which is about 9 mm to 11 mm, in particular about 10 mm.
  • the locking screw can be screwed in particularly easily and easily or without jamming and can also be used to clamp the running rails to be secured easily, i. without much effort, tighten.
  • the thread is a pointed thread or a trapezoid thread.
  • the thread has a thread base which spans the core diameter and, viewed in the direction of a screw longitudinal axis of the securing screw, has a width between adjacent thread flanks which is approximately 1.5 to 2.5 mm, preferably approximately 2.0 mm, is.
  • the hole edges of the through holes are bulged up to a hole edge height above or below a surface of the metal sheet and that the screw head of the locking screw has a head height that corresponds approximately to the hole edge height of the hole edges or the same is larger or smaller than the hole edge height of the hole edges.
  • the head height of the screw head of the locking screw is approximately 3.0 mm to 5.0 mm, in particular approximately 3.5 to 4.0 mm.
  • the screw head on its pointing away from a screwing the locking screw head side with a, preferably over the entire head width continuous, in cross-section U-shaped slot for screwing, tightening and loosening the locking screw by means of a screwdriver or having the same tool.
  • the thread terminates at a distance from one or the screwed-in end of the locking screw, so that the Securing screw has a thread-free insertion end for inserting the locking screw in the direction of its longitudinal axis in a through hole of the through holes, preferably wherein the thread-free insertion end may be circular cylindrical formed with an outer diameter, in particular may correspond to the core diameter of the thread of the locking screw or may be smaller than the core diameter , This facilitates the insertion or screwing the locking screw into or the respective through hole.
  • the invention also relates to a scaffolding, a working platform, a console or a podium, with an overlapping arrangement according to the invention, in particular according to one of claims 1 to 14.
  • the scaffolding, work platform, console or podium may be constructed such that the first gangplate extends at a height and that a third gangplate extends approximately at the same height at a horizontal distance from the first gangplank, wherein the second gangplate is provided as a bridging plank for bridging a space between the first plank and the third plank, so that the tread of the bridging plank engages both the tread of the first plank and the third plank, and wherein both the spill splitter with the first plank as well as with the third gangplate each forms an overlap arrangement according to one of the preceding claims, so that the bridging track plank both with the first gangplate by means of the locking screw non-positive and positive, preferably free of play, is braced, as well as with the third gangplank with the help of a corresponding or same locking screw positive and positive, preferably free of play, is braced.
  • Fig. 1 shows a system framework 34 in a construction situation with two scaffolding parts 57 and 58.
  • the two scaffolding parts 57, 58 are each placed along and adjacent to a building wall 69 of a building.
  • the building wall includes two
  • the wall portion 74 forms a building-corner transition with a beveled by 45 degrees to the lateral building walls or wall parts 67, 68 designed building corner 70th
  • the system framework 34 is constructed from stems 59 which, in a spacing corresponding to the spacing of the framework system, carry known substantially flat perforated discs 60 from one another. Between the stems 59 61 horizontal bars 62, 62.1, diagonal bars 63 and horizontal support bar 64 may be attached to the perforated discs 60 by means of wedge heads also referred to as connecting heads 64. For this purpose, wedges 65 penetrate the perforated disks 60 and the wedge heads 61.
  • the perforated disks 60 preferably have eight openings which are each arranged at an angle of approximately 45 degrees to one another, through which the wedges 65 extend in the firmly wedged state and which the connection heads clamped thereto 61 mediate with it, preferably by welding, fixed scaffolding elements a certain orientation.
  • the Horizontaltragriegel 64 preferably have an upwardly open and in cross-section U-shaped profile, which is provided with upstanding profile webs.
  • Ein rehabilitationwhiskar 71 for example in the form of Ein rehabilitationkrallen be placed on the upper Auflager
  • the profile webs which may preferably be attached to front sides of working or running surfaces 25 having scaffolding floors 23.
  • two scaffolding floors 23 are arranged side by side with opposite longitudinal end faces.
  • the width of the respective frame part 57, 58, respectively, the width of the horizontal bar, the respective requirements Accordingly, it can also be chosen such that it can be designed adapted to only one scaffold floor 23 or even more than two adjacent scaffold floors. In the aforementioned manner, it is possible to build up a stable system framework 34 which satisfies the practical requirements in a particular way. It is understood, however, that the invention can also be used advantageously in conjunction with other system frameworks or other frameworks.
  • a further scaffold floor 22 is provided as bridging or supplementary floor, which is also referred to as the second or upper scaffold floor.
  • This scaffold floor 22 is arranged approximately parallel to the oblique wall portion 74 of the corner 70 and adjacent thereto in the embodiment.
  • the scaffold floor 22 is located in subregions, here in each case with one of its two end regions, on the surface of a scaffold floor 23 of the scaffolding floors 23, 23 arranged at a horizontal distance from each other at approximately the same height, in this case on the uppermost level of the scaffolding parts 57 and 58.
  • the framework floors 22 and 23 are each made of steel cup. At the longitudinal edges of the scaffold floors 22, 23 are each formed by folding longitudinal edge beams 86.1, 86.2; 90.1, 90.2 provided.
  • the longitudinal edge spars 86.1, 86.2; 90.1, 90.2 each have a longitudinally extending stiffening profile 88.1, 88.2 formed by folding; 92.1, 92.2.
  • the respective stiffening profile 88.1, 88.2; 92.1, 92.2 each forms a sub-spar.
  • the stiffening profile or the sub-spar 88.1, 88.2; 92.1, 92.2 extends in each case substantially over the entire length of the respective scaffold floor 22, 23 parallel to its longitudinal axis.
  • the two edge spars 90.1, 90.2 of the second or upper scaffolding floor 22, in this case the bridging or supplementary floor 22 or the steel screed 22, have a height 91 which, for example, is approximately 45 mm to 46 mm.
  • the two edge spars 86.1, 86.2 of the first and lower scaffolding floor 23 and the steel floor 23 have compared to the height 91 of the edge spars 90.1, 90.2 of the second or upper scaffolding floor 22 a greater height 87, for example, about 76 mm to 77 mm.
  • the upper edge of the hole edges 28.1 and 32.1 of the upwardly bulged or bulged hole edges 27.1 and 32.1 is slightly below the upper edge of the respective edge beam 90.1, 90.2 or 86.1, 86.2 arranged, for example, by about 0.5 mm below ,
  • the scaffold floors 22, 23 each have at their two facing away from each other end faces fixed to the tread 24, 25 and fixed to the longitudinal edge spars 86.1, 86.2; 90.1, 90.2 connected end profiles 89, 93 of metal.
  • the end profiles 89, 93 extend substantially over the entire width of the respective scaffolding floor 22, 23.
  • The, preferably designed as U-profiles, End profiles 89, 93 each have a height which corresponds to the clear width between the underside of the tread 24, 25 forming metal sheet 84 and the respective stiffening profile or sub-spar 88.1, 88.2; 92.1, 92.2 corresponds.
  • the end profiles 89, 93 and the longitudinal edge spars 86.1, 86.2; 90.1, 90.2 each form a frame made of metal.
  • the scaffolding floors 22, 23 each have a running surface 24, 25 made of sheet metal 84, preferably made of sheet steel, which is substantially distributed over the entire running surface 24, 25 provided with substantially circular through holes 27, 28.
  • the through holes 27, 28 are thus designed as circular holes 39, 40.
  • the through holes 27, 28 form openings of the respective running surfaces 24, 25 of the framework floors 22, 23.
  • Each scaffold floor 22, 23 has a plurality of through holes 27, 28.
  • the through holes 27, 28 each span a substantially or approximately the same size inner diameter 36 and are in each case of a bulging or bulging, circumferential hole edge 28; 28.1, 28.2; 32; 32.1, 32.2 limited.
  • the inner diameter 36 in the preferred embodiments shown is about 13.6 mm, but may be smaller by up to about 0.4 mm.
  • the hole edge 28.1; 32.1 of a part of these through-holes 27.1; 31.1 is up and the hole edge 28.2; 32.2 of a part of these through-holes 27.2; 31.2 is bulging downwards or arched upwards.
  • a plurality of the through-holes 27.1, 31.1 are provided with hole edges 28.1, 32.1 which are raised or arched upwards above the respective running surface 24, 25, and a further plurality of the through-holes 27.2, 31.2 are provided with the surface of the respective running surface 24, 25 ., arched hole edges 28.2, 32.2 provided.
  • the through holes 27.1, 31.1 with upwardly bulged or bulging hole edges 28.1, 31.1 anti-skid fuses and the through holes 27.2, 31.2 with downwardly bulged or bulging hole edges 28.2, 31.2 form drainage openings for liquids, such as rainwater or paint and the like out.
  • the upper scaffold floor 22 is in each case with the aid of a locking screw 20 according to the invention attached to the respective, here each outer scaffold floor 23 of the frame parts 57 and 58.
  • FIG. 2 shows an overlap arrangement 30 with two runners 22, 23 in the form of scaffold floors, for example in the region of the corner transition according to FIG. 1 ,
  • a second gangplank top gangplate 22 in the form of a bridging or supplementary scaffold floor with one of its end portions on the surface designed as a tread 25 overlapping also referred to as the first gangplank 23 lower runway 23 in the form of a scaffold floor of a stand scaffold.
  • the lower or first framework floor 23 is fastened to the support bars 64 via known fastening means 71, for example with the aid of the hooks or hanging claws shown.
  • Said second or upper gangplate 22 is relative with the aid of a locking screw 20 according to the invention shown here in longitudinal section, which is screwed into a through hole 27.2 of the second and upper gangplank 22 as well as into a through hole 31.1 of the first and lower gangplank 23, respectively to which this supporting first gangplate 23 secured against lateral displacement in the displacement plane 21 and against lifting secured to the first gangplate 23.
  • FIG. 2 is thus shown by the example of two scaffold floors 22 and 23, as one of the bridging or supplementary scaffolding floors 22 relative to one of the scaffolding floors 23 by means of a locking screw 20 against lateral displacement in the displacement plane 21 and against lifting in a direction perpendicular to the displacement plane 21 and the scaffolding floor 23 may be secured away.
  • the bridging or supplementary scaffold floor 22 rests on the surface of the lower scaffolding floor 23 in one of its end regions and obliquely to the scaffold floor 23 in its end region.
  • the securing screw 20 protrudes at the upper framework floor 22 through a through hole 27.1, which has upturned or bulged hole edges 28.1 below the tread 24, while the locking screw 20 protrudes at the lower framework floor 23 through a through hole 31.2, which is above the running surface 25 of this lower frame bottom 23 has bulged or bulged hole edges 32.1.
  • the locking screw 20 is screwed both directly into the through hole 27.1 of the upper framework floor 22 and directly into the through hole 31.2 of the lower framework floor 23, in each case without plastic deformation and without elastic widening of the respective through hole 27.1, 31.2.
  • the two scaffolding floors 22 and 23 against each other play and force and positively clamped, being secured by means of the locking screw 20 against displacement in the said displacement plane 21 and against lifting each other.
  • the locking screw 20 can also be performed differently through the through holes 27, 31.
  • the locking screw 20 may protrude at the upper framework floor 22 through a through hole 27.2, which has upturned or arched hole edges 28.2 above the tread 24, while the locking screw 20 may protrude at the lower framework floor 23 through a through hole 27.1, according to has upturned or bulged hole edges 32.2 below the tread 25 of this scaffold floor 23. It is further understood that the locking screw 20 both at the scaffold floor 22 and at the scaffold floor 23, through the through holes 27.2, 31.2 with each of the treads 24, 25 bulged or bulged hole edges 28.2, 32.2 or through their through holes 27.1, 31.1 with each above the treads 24, 25 bulged or bulged hole edges 28.1, 32.1 can protrude through.
  • FIG. 3 can also be a plurality of more than two scaffolding floors 22, 22.1, 22.2, which can serve as bridging or supplementary scaffold floors, in the form of a cascade overlap arrangement 50 relative to each other and relative to at least one scaffold floor 23 by means of securing screws according to the invention 20 be secured.
  • two of the scaffold floors 22.2, 23; 22.1, 22 are secured relative to each other by at least one locking screw 20 against lateral displacement and lifting.
  • the locking screw 20 is screwed both directly into the with a downwardly bulged or bulging hole edge 28.2 circumferentially limited through hole 27.2 of the upper scaffold floor 22 as well as directly into the also with a downwardly bulged or bulging hole edge 32.2 circumferentially limited through hole 31.2 of the lower scaffold floor 23 screwed, in each case without plastic deformation and without elastic widening of the respective through hole 27.2, 31.2.
  • the screw head 26 of the locking screw 20 engages over that through hole 27.2 of the upper scaffold floor 22, in which the locking screw 20 is screwed and the said screw head 26 is located on the surface between two adjacent, respectively upwardly bulged or bulging hole edges 28.1, 28.1 of Through holes 27.1, 27.1 of the metal sheet 84 at.
  • the screw head 26 has a head height 78, which corresponds to the hole edge height 72 of the bulged or curved hole edges 28, 31 above the said surface of the metal sheet 84, so that there can be no trip hazard.
  • the hole edge height 72 is for example 3.5 to 4.0 mm.
  • the geometry of the thread 35 of the locking screw 20 is designed in such a way matched to the geometry of the bulged or curved hole edges that it does not become during the screwing of the locking screw 20 into the through holes elastic or plastic deformation of the hole edge of these through holes can come.
  • the locking screw 20 is in the FIGS. 6 to 11 shown separately.
  • the locking screw 20 is made of metal, preferably made of steel.
  • the locking screw 20 has as essential elements a screw shaft 29 with a thread 35 and a screw head 26.
  • the screw shaft 29 extends in a longitudinal direction parallel to a longitudinal axis 33 of the locking screw 20.
  • the screw head 26 is disposed at one end of the locking screw 20 and extends perpendicular to the longitudinal axis 33 and to the screw head 29 radially outwardly beyond the outer diameter 42 of the thread 35 addition.
  • the screw head 26 is designed as a circular cylindrical flat head. It has a head diameter or outer diameter 75.
  • the head or outer diameter is for example about 3.5 to 4.0 mm.
  • the screw head 26 is provided on its side facing away from the screw 56 and from the insertion end 51 of the screw shaft 29 head side 79 with an outwardly open, in cross-section U-shaped slot 81.
  • the slot 81 has a slot width 81.1 and a slot height 81.2.
  • the slot width 81.1 is for example about 5.0 mm and the slot height 81.2 is for example about 2.0 to 2.5 mm.
  • the length 77 of the locking screw 20 is for example about 60 mm to 62 mm.
  • the length 29.1 of the screw shank 29 is for example about 57 mm.
  • the thread 35 of the locking screw 20 does not extend in the longitudinal direction over the entire length 29.1 of the screw shaft 29, but only over a partial length or thread length 41, for example, about 49 mm.
  • the thread 35 terminates in the direction of the screw head 26 viewed at a distance in front of the screw head 26 and ends in the opposite direction viewed at a distance 51.1 in front of the other end of the screw shaft 29.
  • This distance 51.1 is for example about 4.0 mm.
  • a thread-free insertion end 51 is formed. This has a said distance corresponding insertion length 51.1.
  • the insertion end of the screw shaft 29 has a thickness 45 and an outer diameter, which preferably corresponds to the core diameter 47 of the thread 35.
  • the core diameter 47 of the thread 35 is preferably 10.0 mm.
  • the thread 35 is a catchy right-hand thread in the form of a trapezoidal thread. It is understood, however, that the thread may also be a left-hand thread.
  • the thread 35 is a non-self-tapping thread.
  • the thread 35 has a flank angle 44 between adjacent thread flanks 94.1, 94.2. The flank angle is preferably 42 degrees.
  • the thread 35 has a thread pitch 43, which is preferably 4.0 mm.
  • the thread 35 has a thread depth 48.1, which is preferably 2.0 mm.
  • the thread 35 is bounded radially inwards or to the longitudinal axis 33 of the screw by a parallel to the screw longitudinal axis 29 extending flat thread roots 48 and is bounded radially outwardly by a thread crest 95 which is bounded by a parallel to the screw longitudinal axis 33 extending outer surface.
  • the width 49 of the thread root 48 between two thread flanks 94.1 and 94.2 is preferably 2.0 mm. It is understood that the thread reason may also be designed differently, so for example may be rounded concave.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Connection Of Plates (AREA)
  • Bridges Or Land Bridges (AREA)
  • Clamps And Clips (AREA)
EP13153410.9A 2012-03-21 2013-01-31 Agencement de recouvrement d'au moins deux planches Active EP2642045B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL13153410T PL2642045T3 (pl) 2012-03-21 2013-01-31 Nachodzący na siebie układ co najmniej dwóch pomostów roboczych

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202012101000U DE202012101000U1 (de) 2012-03-21 2012-03-21 Überlappungs-Anordnung von wenigstens zwei Laufplanken

Publications (3)

Publication Number Publication Date
EP2642045A2 true EP2642045A2 (fr) 2013-09-25
EP2642045A3 EP2642045A3 (fr) 2014-06-25
EP2642045B1 EP2642045B1 (fr) 2017-10-18

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP13153410.9A Active EP2642045B1 (fr) 2012-03-21 2013-01-31 Agencement de recouvrement d'au moins deux planches

Country Status (6)

Country Link
US (1) US9435128B2 (fr)
EP (1) EP2642045B1 (fr)
AU (1) AU2013201665B2 (fr)
DE (1) DE202012101000U1 (fr)
ES (1) ES2654555T3 (fr)
PL (1) PL2642045T3 (fr)

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US20130256060A1 (en) * 2012-03-29 2013-10-03 Safway Services, Llc Scaffold Plank Structure
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FR3078130B1 (fr) * 2018-02-22 2020-03-06 Fp Business Invest Dispositif de jonction pour bandes transporteuses
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DE7912134U1 (fr) 1979-04-26 1992-04-02 Layher, Eberhard, 7129 Gueglingen, De
DE19858970A1 (de) 1998-12-19 2000-06-21 Layher W Vermogensverw Gmbh Metall-Laufplanke
DE19858969A1 (de) 1998-12-19 2000-06-21 Layher W Vermogensverw Gmbh Laufplanke aus Metall
DE20318090U1 (de) 2003-11-22 2004-04-15 Wilhelm Layher Vermögensverwaltungs-Gmbh Gerüstboden-Sicherungs-Befestigungsbolzen
DE10254033A1 (de) 2002-11-20 2004-06-03 Wilhelm Layher Vermögensverwaltungs-Gmbh Gerüstboden und Gerüst, Podium oder Tribüne mit einem derartigen Gerüstboden
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DE2754226A1 (de) 1977-12-06 1979-06-07 Eberhard Layher Laufplanke aus metall
DE2916826A1 (de) 1979-04-26 1980-11-06 Eberhard Layher Laufplanke aus metall
DE7912134U1 (fr) 1979-04-26 1992-04-02 Layher, Eberhard, 7129 Gueglingen, De
DE202004021196U1 (de) 1990-09-08 2007-03-08 Wilhelm Layher Verwaltungs-Gmbh Stahlblech-Überbrückungs-Laufplanke
DE19858970A1 (de) 1998-12-19 2000-06-21 Layher W Vermogensverw Gmbh Metall-Laufplanke
DE19858969A1 (de) 1998-12-19 2000-06-21 Layher W Vermogensverw Gmbh Laufplanke aus Metall
DE10254033A1 (de) 2002-11-20 2004-06-03 Wilhelm Layher Vermögensverwaltungs-Gmbh Gerüstboden und Gerüst, Podium oder Tribüne mit einem derartigen Gerüstboden
DE20318090U1 (de) 2003-11-22 2004-04-15 Wilhelm Layher Vermögensverwaltungs-Gmbh Gerüstboden-Sicherungs-Befestigungsbolzen
DE202008003126U1 (de) 2008-03-05 2008-05-29 Rux Gmbh Vorrichtung zur Sicherung von mindestens zwei Gerüstbelagbohlen

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US9435128B2 (en) 2016-09-06
DE202012101000U1 (de) 2013-03-25
ES2654555T3 (es) 2018-02-14
EP2642045A3 (fr) 2014-06-25
AU2013201665A1 (en) 2013-10-10
PL2642045T3 (pl) 2018-03-30
EP2642045B1 (fr) 2017-10-18
AU2013201665B2 (en) 2015-05-07
US20130248290A1 (en) 2013-09-26

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