EP1549811B1 - Vorrichtung zur persoenlichen sicherheit auf geruesten - Google Patents

Vorrichtung zur persoenlichen sicherheit auf geruesten Download PDF

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Publication number
EP1549811B1
EP1549811B1 EP03748825A EP03748825A EP1549811B1 EP 1549811 B1 EP1549811 B1 EP 1549811B1 EP 03748825 A EP03748825 A EP 03748825A EP 03748825 A EP03748825 A EP 03748825A EP 1549811 B1 EP1549811 B1 EP 1549811B1
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EP
European Patent Office
Prior art keywords
safety
scaffold
uprights
coupling
actuating
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.)
Expired - Lifetime
Application number
EP03748825A
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English (en)
French (fr)
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EP1549811A1 (de
Inventor
Harry Wallther
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PlusEight Safety AB
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PlusEight Safety AB
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Publication date
Application filed by PlusEight Safety AB filed Critical PlusEight Safety AB
Publication of EP1549811A1 publication Critical patent/EP1549811A1/de
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Publication of EP1549811B1 publication Critical patent/EP1549811B1/de
Anticipated expiration legal-status Critical
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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
    • E04G5/00—Component parts or accessories for scaffolds
    • E04G5/14—Railings
    • 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
    • E04G5/14—Railings
    • E04G5/147—Railings specially adapted for mounting prior to the mounting of the platform

Definitions

  • the present invention relates to a device for personal safety on scaffolds according to the precharacterizing clause of Patent Claim 1 below.
  • scaffold erectors When scaffolds are being erected and dismantled, scaffold erectors often work on the parts of the scaffold which do not have guard rails. In order to provide protection against falling, use is made of safety harnesses with lifelines which, however, limit the freedom of movement of the person. Safe anchoring points must be selected and moved as the work progresses.
  • the object of the present invention is to produce a device in which extra guard rails can be handled and moved with great safety.
  • Figs 1-3 show the construction in principle of a safety device 1 for personal safety on scaffolds 2.
  • the safety device 1 is shown by somewhat heavier lines, while the scaffold is shown by somewhat lighter lines in order that the safety device emerges more clearly.
  • the scaffold comprises a number of scaffold uprights, in the example shown according to Fig. 1 four uprights 3, 4, 5, 6, which in pairs support between them at least one working platform 7 which can be positioned at different heights in order to make work possible at different heights along, for example, the façade of a house construction.
  • the platform or platforms is or are supported between the uprights arranged in pairs by virtue of, for example, having hooks which are coupled to transverse, lying, suitably horizontal scaffold elements 66-73 which extend between the uprights 3 and 4 and, respectively, 5 and 6.
  • the scaffold also includes fixed scaffold rails 64, 65 which are accordingly arranged so that each scaffold rail is arranged between the two outermost uprights 3 and 6 in order to afford protection in the outward direction, for example at a suitable height above a working platform 7.
  • These fixed rails can be fastened directly to the scaffold uprights 3, 6 or to the transverse scaffold elements.
  • Erection of the scaffold proceeds from the bottom, as the uprights 3-6 are to rest with their lower ends 14, 15 against a surface, for example the ground or a floor. Erection is started by lower sections of at least two uprights, for example 3 and 4, being held in an erect position, standing on the surface, after which two connecting elements, a scaffold rail and if appropriate the working platform 7 and diagonal elements (not shown) as well are mounted, at least the lower sections of the four uprights then being held erect. As erection continues above the working platform 7, heights are reached which involve risks of accident.
  • the scaffold may be intended to have such a height that each upright consists of several sections which are joined to one another, after which scaffold rails and working platforms located above are to be mounted.
  • the safety device 1 (see Fig. 1 ) consists of at least one, in the example two safety uprights 18, 19 which are each provided with one or more coupling devices 20, 21, 22, 23 for releasable coupling-together with the scaffold.
  • each safety upright 18, 19 is provided with two coupling devices arranged at a distance from one another for a coupling-together which ensures that the safety uprights extend essentially parallel to the scaffold uprights.
  • the safety uprights 18, 19 support between them at least one guard rail 24 which, in the example shown, consists of an upper rail element 25 and a lower rail element 26.
  • the two rail elements 25, 26 are connected at their ends 27, 28, 29, 30 to the safety uprights 18, 19; to be precise, in the example they are connected to the safety uprights in an articulated manner, suitably adjacent to the upper end of the safety uprights so that the upper rail element is located close to the respective upper ends 31, 32, while the lower rail element 26 is located a little way below at a distance which is adapted for the protection function concerned.
  • the safety device has an actuating device 33, 34 with at least at one end 35, 36 of each safety upright, in the example shown both ends 35-38, actuating means 39, 40, 41, 42 for adjusting the coupling devices 20-23 between releasing position and coupling position.
  • the coupling devices are adapted on the one hand to secure the safety uprights 18, 19 in their parallel position and on the other hand to maintain the selected vertical position of the safety uprights, that is to say to lock them relative to movements in the axial direction of the uprights.
  • the safety uprights receive, through the coupling devices, support against bearing surfaces in the scaffold, in the example shown the lying scaffold elements 66-73, that is to say horizontal tubes, in the example one end side element 10, 12 for each coupling device 20-23.
  • Fig. 1 also shows that the end of each rail element 25, 26 is connected in an articulated manner to its safety upright 18, 19 by means of a fastening arrangement in the form of an articulation arrangement 43 which makes possible relative articulated movement of the rail element about an axis 44 which extends essentially at right angles relative to on the one hand the longitudinal axis of its safety upright and on the other hand the longitudinal axis of the rail element.
  • the rail elements 25, 26 are therefore supported at their ends by the safety uprights 18, 19 via the articulation arrangement.
  • the articulation arrangements can be connected firmly to the uprights but can alternatively be displaceable between different vertical positions along the uprights and lockable on these in the selected vertical position.
  • Figs 4, 5 and 6 show a safety upright 18 separately from different directions with the two coupling devices 20, 21, which are therefore located at a distance axially from the guard rail 24, and with the associated actuating device 33, with its actuating means 39, 41, one at each end 35, 37 of the safety upright.
  • One of the coupling devices 20 is shown on larger scale in Figs 7-9 and consists in the example shown of a gripping hook 45 with a downwardly open gripping space 46 which is designed and dimensioned to receive a lying scaffold element 72 in the scaffold, so that the safety upright 18 rests on the lying scaffold element by means of the coupling device 20.
  • a cross section of the scaffold element is indicated by broken lines.
  • the gripping space 46 is provided with a gripping opening 47, facing in the direction away from the guard rail 24, that is to say downwards.
  • the coupling device 20 has a locking means 48 which is adjustable between a locking position for the coupling device, which is shown in Fig. 7 , and a releasing position which is shown in Fig. 8 .
  • the locking means consists of a locking bolt which is anchored movably in the gripping hook 45 and can be displaced into and out of the gripping opening 47. In locking position, the effective downwardly facing gripping opening 47 shrinks to a dimension smaller than the diameter of the scaffold element 10.
  • the locking bolt 48 is advantageously designed with a locking surface which, together with the concave inner surface 50 of the gripping hook, is adapted to afford good contact with and stable support against the outer surface of the scaffold element which is cylindrical in the example shown.
  • the locking bolt can be pushed forward, for example by means of a diagrammatically illustrated spring mechanism 51, so that play-free contact is obtained between the support surfaces.
  • the gripping hooks 45 of the coupling devices 20 it is possible to pull the gripping hooks 45 of the coupling devices 20 away from the scaffold element so that the gripping hooks can be taken out of coupling position and removed from the scaffold element 10 in order to be moved to a new safety position or for dismantling. It is important that stable support is obtained in the releasing position as well in order to hold the safety device in a selected vertical position.
  • Figs 7-9 also show the actuating device 33 of the coupling devices. Accordingly, this includes the actuating means 39-42 which are located at the ends of each safety upright 18, 19.
  • each actuating means consists of a handle which is mounted rotatably in the upright and, in the example shown, arranged in a rotationally fixed manner at the upper and the lower end of a turning bar 52 which is mounted rotatably coaxially in each safety upright and extends all the way through the safety upright or at least as far as the coupling devices.
  • a movement-transmitting link mechanism 55 Arranged at each coupling device is a movement-transmitting link mechanism 55 which is adapted to convert the actuating movement of each actuating means 39, 41 into an adjusting movement of the locking means 48 in the associated coupling device 20 between the locking position according to Fig. 7 and the releasing position according to Fig. 8 .
  • the movement-transmitting link arm mechanism consists of a link arm 56 and a push rod 57.
  • the link arm 56 is connected to the turning bar 52 in a rotationally fixed manner, and the push rod 57 is at its one end connected in an articulated manner to the link arm and at its other end connected to the locking means so as, by the rotary movement, to bring about a longitudinal displacement movement of the locking means counter to the action of the spring mechanism 51, for example a helical spring (compression spring) which is restrained between the locking means and a fixed surface in the coupling device and is threaded onto the push rod and tends to hold the locking means 48 in locking position.
  • the spring mechanism 51 for example a helical spring (compression spring) which is restrained between the locking means and a fixed surface in the coupling device and is threaded onto the push rod and tends to hold the locking means 48 in locking position.
  • the push rod 57 and thus the locking bolt 48 can perform a pure longitudinal displacement movement.
  • the locking means can be pivotable.
  • the coupling devices are suitably arranged firmly on the safety uprights, in the example shown by virtue of the gripping hook 45 merging with a short arm 58 with a hole in one of its ends.
  • the hole is dimensioned and shaped so that the safety upright 18 will pass through it.
  • Firm connection can take place by means of a welded joint, a screwed joint or the like.
  • the guard rail 24 in the safety device is continuously extendable, for example by virtue of each rail element 25, 26 being telescopically extendable and consisting of, for example, an outer tube 59 and an inner tube 60 which can be inserted telescopically into the outer tube. More than two tubes can be present in order to obtain a greater adjustment range.
  • the length-adjustability means that one and the same safety device can be used for different lengths of working platform 7, that is to say different distances between the scaffold uprights 18, 19, and makes possible the successive movement of one safety upright 18, 19 at a time in the safety device as the scaffold is being erected or dismantled.
  • the erection of the scaffold proceeds from the bottom, with the erection of a number of scaffold uprights and the mounting initially of a bracing scaffold element, which can be mounted at a low height, on the whole by personnel on the ground.
  • fixed scaffold rails 64, 65 in the form of lying, longitudinal scaffold elements are mounted between the two front scaffold uprights 3, 6, after the transverse, lying scaffold elements 66-73 which are coupled between the front scaffold uprights 3, 6 on one side and the rear scaffold uprights 4, 5 on the other side.
  • the first working platform 7 can then be positioned at a suitable height by its hooks 74, 75, which grip around the transverse scaffold elements 66, 70.
  • each scaffold upright Depending on the height of the final scaffold, use is made of a number of sections for each scaffold upright, starting with lower sections and then gradually joining on additional sections as the scaffold is erected. Joining-on is advantageously carried out so that all sections of the scaffold uprights are arranged along one and the same longitudinal axis.
  • the safety device Before personnel step onto the working platform 7, the safety device is mounted so that the associated guard rail 24 will be located at a suitable safety height above the working platform (see Fig. 1 ). Mounting is suitably carried out by two people, it being possible for the safety device to be assembled on the ground. For transport purposes, the safety uprights 18, 19 are suitably disconnected from the guard rail 24 at the articulation arrangement 43. In the storage and transport state, the safety device according to the example shown thus forms essentially a number of parallel tubes.
  • the mounted safety device 1 is positioned with its two safety uprights 18, 19 on the inside of the scaffold uprights 3, 6 adjacent to which the safety uprights are to be arranged, in the example the outer uprights.
  • the guard rail 24 affords effective protection during subsequent scaffold erection.
  • the coupling devices 20, 21, 22, 23 are adjusted to releasing position, after which their coupling hooks are each made to grip around a respective lying scaffold element 66, 67, 70, 71 so as to be supported by the latter by resting on the associated scaffold element.
  • the mounted safety upright 19 is held in a stable support position with a fixed vertical position.
  • the nearest accessible actuating means for example the lower actuating means 41, 42, is activated for adjustment to locking position. Activation takes place under the action of the spring mechanism 51, which ensures that the locking position is maintained during use of the safety device.
  • the rail elements 25, 26 of the guard rail 24 being connected in an articulated manner at their ends to the safety uprights and moreover being extendable, erection does not have to take place entirely synchronously on the two sides, but can take place individually, the rail elements being, on account of their adjustable length, adaptable to the distance concerned between the scaffold uprights.
  • the coupling devices are advantageously secured on the associated scaffold uprights in such a way that the structure is also secured against movements in the lateral direction. This is achieved either by high friction in the support surfaces or by the locking means 48 not only locking but clamping or firmly gripping the scaffold element in the recess 50.
  • the safety device 1 In its first safety position according to Fig. 1 , the safety device 1 can be mounted either from ground level or from another safe working position, for example from what is known as a skylift, by virtue of actuating means 39-42 being arranged at both ends of the safety uprights 18, 19. With the safety device in the position shown, personnel can very safely remain on the working platform 7 in order to continue the erection of the scaffold. For example, further sections of scaffold uprights can be added, after which permanent scaffold rails can be mounted inside the guard rail 24 and a working platform (not shown) located above can be mounted.
  • the safety device 1 Before the scaffold is erected further upwards, the safety device 1 according to the invention is moved further upwards.
  • one safety upright 19 is first freed by adjustment (in the example rotation) of one of the actuating means 40, 42 at the ends of the safety upright, suitably the lower end.
  • a scaffold erector can in this connection activate the actuating means 42 for release, after which he lifts the safety upright 19 upwards along the scaffold upright 6 (see Fig. 2 ).
  • This is possible by virtue of the rail elements 25, 26 being articulated at their fastening points and telescopically extendable, as can be seen from Fig. 2 .
  • the safety upright 19 is coupled to the scaffold close to the scaffold upright 6.
  • the two coupling devices 22, 23 are in this connection each made to grip around a respective lying scaffold element, in this case two transverse elements 68, 69 which have the same mutual interspace as the gripping hooks on the safety upright. Then, one of the actuating means 40, 42, suitably the lower actuating means 42, is activated (in the example released) for changing the coupling devices 22, 23 over to coupled or locked position.
  • the safety upright 19 obtains vertical support against an element in the scaffold. Support in the lateral direction is obtained by friction in the gripping hooks and support against the scaffold upright. Special stop means on the lying scaffold elements are also possible.
  • the other side of the safety device 1 can then be moved up by the left safety upright 18 being released by means of, for example, the actuating means 41, after which, for example, a person standing to the left on the working platform 7 can lift the safety upright 18 up to the desired position, suitably with the guard rail 24 essentially horizontal (see Fig. 3 ), after which the coupling devices 20, 21 are adjusted to coupling position. It is conceivable for a single scaffold erector to do this because one safety upright is handled at a time.
  • the safety device 1 is then in the safety position according to Fig. 3 , and scaffold erectors can then very safely erect the scaffold further if so required.
  • further scaffold uprights can be added on top of the four scaffold uprights shown, and a permanent scaffold rail can be mounted inside the guard rail of the safety device.
  • the safety device When the scaffold is erected, the safety device can in principle remain in its top position and either afford supplementary protection or if appropriate replace the top guard rail.
  • the invention is not limited to illustrative embodiments described above and shown in the drawings but can be varied within the scope of the patent claims below.
  • the fastening devices for the guard rail 24 to be fixed, that is to say not articulated, and for the rail elements to be unextendable and adapted in their length to the distance between the scaffold uprights 3, 6.
  • the safety device can permanently have the appearance the safety device in Figs 1 and 3 has.
  • a safety device with a guard rail without articulations it is particularly suitable if such an embodiment is intended for the end sides, that is to say the short sides, of the scaffold and can still advantageously be coupled to the lying, transverse scaffold elements on the end sides.
  • the safety device it is conceivable for the safety device to be provided with a single safety upright, the guard rail projecting laterally from the safety upright and therefore being connected to the safety upright without articulation.
  • Such end side safety devices can moreover be combined with articulated safety devices according to the example shown, it then being possible therefore for the guard rail for the long sides to be fastened to a safety upright shared with a short side.
  • the coupling devices can be lockable, in the case of an articulated construction one lock in each safety upright, in the case of a rigid construction it is in principle sufficient for one safety upright to be locked.
  • the coupling devices can be coupled to other parts of the scaffold, for example one or two at a time of the longitudinal lying (horizontal) scaffold elements.
  • the safety uprights can be coupled to the coupling means of the scaffold uprights, which may be a cup running around, or a bracket or plate with a hole for hooking in gripping elements.
  • a combination of gripping hooks for support against lying elements and hooks for hooking firmly to scaffold uprights is also conceivable. It is then sufficient for one type of hooks to be lockable.
  • another actuating device can be selected, for example a pull/push rod or wire which is pulled in the axial direction, the actuating means then being a pull/push means.
  • a common feature of the various coupling devices is that they rest on an upwardly facing portion of the scaffold in order that the safety upright or safety uprights will be secured safely to the scaffold in coupling position and released for movement of the safety device.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Movable Scaffolding (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)

Claims (10)

  1. Anordnung zur persönlichen Sicherheit an solchen Arbeitsplattformen, die Pfosten (3, 4, 6, 6) und liegende Stützelemente (64-73) umfassen, welche angepasst sind, zwischen den Pfosten angekoppelt zu werden, die Sicherheitsanordnung umfasst zumindest einen Sicherheitspfosten (18, 19) und zumindest eine sich von den Sicherheitspfosten erstreckende Fangschiene (24), die Fangschiene ist an den zugehörigen Sicherheitspfosten befestigt und die genannte Sicherheitsanordnung weist zumindest eine Kupplungsanordnung (20-23) zur lösbaren Zusammenkopplung mit dem Arbeitsgerüst auf, aufgrund dessen können die genannten Sicherheitspfosten und die begleitende Fangschiene nacheinander in unterschiedliche vertikale Positionen gemäß der Sicherheitsanforderungen versetzt werden, die Sicherheitsanordnung (1) umfasst zumindest eine mit Betätigungsmittel (39-42) zur Justierung der genannten Kupplungsanordnung (20-23) zwischen einer Entsicherungs- und einer Kupplungsposition vorgesehenen Betätigungsanordnung (33, 34), wobei in der Kupplungsposition Sicherheitspfosten zusammen mit Teilen der Arbeitsplattform in verschiedenen vertikalen Positionen gekoppelt sind, das genannte Betätigungsmittel (39-42) ist an zumindest einen Ende der genannten Sicherheitspfosten (18, 19) angeordnet und ist angepasst, um zwischen einer Auslösungsposition und einer Kopplungsposition justiert zu werden, und erstreckt sich über ein betätigungsbewegungsübertragendes Mittel (52, 55, 57) entlang der zugeordneten Sicherheitspfosten, um die Kupplungsanordnung (20-23) zwischen der Entsicherungs- und der Kupplungsposition zu justieren, dadurch gekennzeichnet, dass
    die Kupplungsanordnungen (20-23) derart angepasst sind, um die Sicherheitsanordnung (1) durch Aufliegen auf einem aufwärts gewandten Teil des Arbeitsgerüsts, sowohl in der Entsicherungsposition als auch in der Kupplungsposition abzustützen.
  2. Anordnung gemäß Anspruch 1, dadurch gekennzeichnet, dass
    jede Kupplungsanordnung (20-23) einen Greifhaken (45) aufweist, wobei die Hakenöffnung (47) der zugehörigen Fangschiene (24) abgewandt ist, bei Ansicht in Längsrichtung der Sicherheitspfosten (18, 19), das heißt, die Fangschiene (24) ist in der Sicherheitsposition nach unten angeordnet, um rund um einen Teil der Arbeitsplattform zu greifen.
  3. Anordnung gemäß Anspruch 1, dadurch gekennzeichnet, dass
    jede Kupplungsanordnung (20-23) sowohl in senkrechter Richtung als auch in Querrichtung an der Arbeitsplattform in Position gehalten wird.
  4. Anordnung gemäß Anspruch 1, dadurch gekennzeichnet, dass die Betätigungsmittel (39-42) an beiden Enden (35-38) der genannten Sicherheitspfosten (18, 19) angeordnet sind.
  5. Anordnung gemäß Anspruch 1, dadurch gekennzeichnet, dass das genannte betätigungsbewegungsübertragende Mittel (52, 55, 57) eine Betätigungsschiene (52) umfasst, welche sich in den zugeordneten Sicherheitspfosten (18, 19) hinein streckt.
  6. Anordnung gemäß Anspruch 5, dadurch gekennzeichnet, dass die Betätigungsschiene (52) sich durch die gesamte Länge des Sicherheitspfosten (18, 19) hindurch erstreckt und dass die Betätigungsmittel an beiden Enden jeder Betätigungsschiene angeordnet sind.
  7. Anordnung gemäß Anspruch 5, dadurch gekennzeichnet, dass die Betätigungsschiene (52) rotierbar im Sicherheitspfosten (18, 19) angeordnet ist.
  8. Anordnung gemäß Anspruch 7, dadurch gekennzeichnet, dass das genannte Betätigungsmittel (39-42) aus einem Griff bestehen, welcher relativ zum Sicherheitspfosten (18, 19) an dessen Ende rotierbar angeordnet ist und am jeweiligen Ende der Betätigungsschiene (52) rotationsfest angeordnet ist.
  9. Anordnung gemäß Anspruch 8, dadurch gekennzeichnet, dass die Drehschiene (52) sich von jedem Ende des Griffs zu einem Gelenkmechanismus (55, 57) hin erstreckt, welcher an jeder Kupplungsanordnung (20-23) angeordnet ist, und die Drehschiene (52) angepasst ist, die Betätigungsbewegung der Betätigungsschiene zu einer in der zugehörigen Kupplungsanordnung entstehenden Betätigungsbewegung eines Sperrmittels (48) zwischen der Entsicherungs- und der Kupplungsposition umzuwandeln.
  10. Anordnung gemäß Anspruch 1, dadurch gekennzeichnet, dass die Anzahl der Kupplungsanordnungen (20-23) an jedem Sicherheitspfosten (18, 19) zumindest zwei ist.
EP03748825A 2002-09-27 2003-09-26 Vorrichtung zur persoenlichen sicherheit auf geruesten Expired - Lifetime EP1549811B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE0202876A SE525339C2 (sv) 2002-09-27 2002-09-27 Anordning för personskydd vid byggnadsställningar
SE0202876 2002-09-27
PCT/SE2003/001502 WO2004029382A1 (en) 2002-09-27 2003-09-26 Device for personal safety on scaffolds

Publications (2)

Publication Number Publication Date
EP1549811A1 EP1549811A1 (de) 2005-07-06
EP1549811B1 true EP1549811B1 (de) 2009-07-15

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EP03748825A Expired - Lifetime EP1549811B1 (de) 2002-09-27 2003-09-26 Vorrichtung zur persoenlichen sicherheit auf geruesten

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US (1) US20060000673A1 (de)
EP (1) EP1549811B1 (de)
AU (1) AU2003267891A1 (de)
DE (1) DE60328404D1 (de)
SE (1) SE525339C2 (de)
WO (1) WO2004029382A1 (de)

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FR2988413B1 (fr) * 2012-03-26 2015-04-03 Cdh Group Garde-corps pour structure de travail et installation de securite integrant un tel garde-corps
EP2992150B1 (de) 2013-05-02 2018-05-16 Pluseight Technology AB Plattform zur verwendung mit einer gerüstkonstruktion
DE102019002078A1 (de) * 2019-03-25 2020-10-01 Wilhelm Layher Verwaltungs-Gmbh Geländerpfosten für ein voreilendes Geländer für ein Gerüst, Gerüst mit einem voreilenden Geländer und Verfahren zum Umsetzen eines voreilenden Geländers an einem Gerüst
DE102019115567A1 (de) * 2019-06-07 2020-12-10 Oliver Nagel Sicherungspfosten, Montagesicherungsgeländer und Verfahren zum Auf-, Ab- und Umbau eines Gerüsts
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Also Published As

Publication number Publication date
EP1549811A1 (de) 2005-07-06
WO2004029382A8 (en) 2005-03-10
SE0202876L (sv) 2004-03-28
SE0202876D0 (sv) 2002-09-27
SE525339C2 (sv) 2005-02-01
AU2003267891A1 (en) 2004-04-19
DE60328404D1 (de) 2009-08-27
US20060000673A1 (en) 2006-01-05
WO2004029382A1 (en) 2004-04-08

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