EP2025832A1 - Tribune de travail à longueur réglable, en particulier pour échafaudages - Google Patents

Tribune de travail à longueur réglable, en particulier pour échafaudages Download PDF

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Publication number
EP2025832A1
EP2025832A1 EP08014207A EP08014207A EP2025832A1 EP 2025832 A1 EP2025832 A1 EP 2025832A1 EP 08014207 A EP08014207 A EP 08014207A EP 08014207 A EP08014207 A EP 08014207A EP 2025832 A1 EP2025832 A1 EP 2025832A1
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EP
European Patent Office
Prior art keywords
working platform
length
work platform
elements
working
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.)
Withdrawn
Application number
EP08014207A
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German (de)
English (en)
Inventor
Ralf Haupt
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.)
Alpine Bau Deutschland AG
Original Assignee
Alpine Bau Deutschland AG
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 Alpine Bau Deutschland AG filed Critical Alpine Bau Deutschland AG
Priority to DE202008012478U priority Critical patent/DE202008012478U1/de
Publication of EP2025832A1 publication Critical patent/EP2025832A1/fr
Withdrawn legal-status Critical Current

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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
    • E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
    • E04G3/24—Scaffolds essentially supported by building constructions, e.g. adjustable in height specially adapted for particular parts of buildings or for buildings of particular shape, e.g. chimney stacks or pylons
    • 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
    • E04G5/06—Consoles; Brackets
    • E04G5/061—Consoles; Brackets specially adapted for attachment to scaffolds
    • 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
    • E04G2001/157—Extensible platforms, e.g. telescopic platforms

Definitions

  • the invention relates to a variable-length work platform, in particular for climbing equipment, with a first work platform element and a second work platform element, which are formed at one end for attachment to a work platform and relative to each other longitudinally displaceable together.
  • Conical or hyperbolic cooling towers is usually done using hydraulically implementable scaffolding, so-called climbing equipment. Part of this climbing equipment are u. a. spaced apart climbing towers, which are connected to each other via working platforms of the type mentioned. The work platforms allow the construction contractor to carry out all necessary construction work. After completion of the construction works in one level, the climbing towers and with them the work platforms are raised to continue the construction work on the next level. This process is repeated until reaching the required height of the structure.
  • variable-length work platforms of the aforementioned type for the preparation of climbing equipment.
  • the known work platforms have the disadvantage that they can compensate for the changes in spacing occurring between the climbing towers in the construction of the structures between the climbing towers to a limited extent. Due to the increasing number of buildings with a particularly small slenderness, it is despite the use generic work platforms more frequently required to carry out complicated reconstruction work to compensate for any changes in distance between the climbing towers.
  • the degree of slimming is understood to mean the ratio of the radius in the waist of a building to the radius at the top or bottom.
  • the invention has for its object to provide a variable-length work platform that compensates even at slenderness degrees ⁇ 0.5 without complicated conversion measures occurring in the establishment between the climbing towers distance changes.
  • Characteristic of the work platform according to the invention is at least one further, third working platform element, which is arranged longitudinally displaceable on the first and second working platform element.
  • the work platform according to the invention has the advantage of a broader usability. This results from the relation to known work platforms larger ratio between the maximum and minimum length of the platform.
  • the use of working platforms according to the invention makes it possible, even during the construction of buildings with a particularly small degree of slimming, to compensate for any changes in the distance between the climbing towers occurring during construction without extensive and, in particular, safety-relevant alterations.
  • the arrangement of the working platforms supporting, climbing towers can be optimized by the use of the working platforms according to the invention.
  • An adjustment of the length of the work platforms is usually automatically, due to the distance of the climbing towers, the longitudinal displacement of the individual working platform elements to each other ensures the adjustability.
  • the design the longitudinal displacement, ie the arrangement of the working platform elements to each other, is basically freely selectable.
  • an embodiment of the working platform is conceivable in which the working platform elements in the retracted state, ie in the state of the smallest length above or below each other are arranged.
  • the working platform elements are designed such that they are slidable into one another.
  • Such a telescopic arrangement of the working platform elements is characterized by their particularly small space requirement. The need for additional storage space for inserted working platform elements or protruding components in the inserted state is thereby particularly effectively avoided.
  • the telescopic design of the invention also ensures safe guidance and support of the individual working platform elements together, whereby the reliability of the working platform is increased in a complementary manner.
  • a working platform which is formed of three telescopically arranged together working platform elements under the first working platform element the largest and for receiving the third, middle working platform element trained working platform element.
  • the second work platform element is understood to be the smallest work platform element.
  • the middle, third working platform element is designed to receive the second, smallest working platform element and in turn is displaceable in the first working platform element.
  • the invention is not limited to a working platform with three working platform elements. It is also conceivable to form a working platform according to the invention from four or more working platform elements.
  • the individual work platform elements can basically be equipped with any stage covering. It is conceivable, for example, the design of the working platform elements such that they are permanently provided with a stage covering or formed integrally therewith, so that no additional work to create or remove a stage cover are required before or after a change in length of the platform. According to a particularly advantageous embodiment of the invention, however, the working platform elements are designed for the detachable arrangement of a stage covering. Compared to the working platform elements provided with a fixed platform, this embodiment of the invention has the advantage that an accelerated weathering of the surface, as occurs in particular when this is permanently in an inserted state, in the accumulation of moisture over a longer period on the stage cover remain effectively prevented. In particular, this prevents that accumulate on the surfaces of the stage deposits deposits that u. U. lead to a slippery and thus dangerous surface.
  • the working platform elements have means for releasably securing a railing.
  • a railing, or railing element can be mounted or dismounted in a simple manner to the individual work platform elements, allows to arrange in each state of the platform over a substantially the entire length of the work platform extending railing.
  • the railing is thus adaptable in a comfortable manner to the respective working platform length.
  • Unused railing elements can be easily disassembled and reassembled at a later date.
  • a removable railing allows a particularly space-saving transport and storage of the work platform.
  • Means for releasably securing the railing are particularly advantageously designed such that they allow a positive arrangement of the railing, for example. By spring-loaded ball detents.
  • the means for releasably securing the railing and their arrangement on the working platform elements is basically freely selectable.
  • the work platform elements on the outside arranged railing post receptacles are not impaired.
  • the railing post recordings can be in a particularly simple manner, for example by welding or screwing without influence on the relative displacement of the working platform elements to each other, on the first working platform element Arrange.
  • the railing post receptacles arranged on the outside can also be used to limit the longitudinal displaceability of the working platform elements in the screwing-in direction.
  • the railing post receptacles are arranged on the outside in each case in the region of the opposite end in the insertion direction of the second and third working platform elements.
  • the work platform elements associated with railing post receptacles are detachably connected to the working platform elements, preferably with the second working platform element.
  • the receptacles provided for receiving a railing post of a railing are detachably connected to the working platform elements, makes it possible to displace the working platform elements substantially completely into one another in a corresponding embodiment.
  • at least the second working platform element associated railing post receptacle is detachably connected thereto, so that at least a substantially complete retractability of the second working platform element is ensured.
  • the design of the railing or railing elements is basically arbitrary. According to an advantageous embodiment of the invention, however, at least one, preferably two of the respective working platform elements associated and mutually longitudinally displaceable, particularly preferably telescoping railing rails arranged on the railing post.
  • Into each other displaceable tubular elements allows in the case of a change in length of the working platform a comfortable and simple analogous change in length of the railing. Disassembly or assembly of the railing before or after a change in length of the platform is not required according to this embodiment of the invention.
  • the design of the railing with interlocking d.
  • Telescopic handrails are characterized by their simple structure and high reliability.
  • the design of the working platform elements and their longitudinally displaceable arrangement to each other basically freely selectable.
  • the working platform elements are formed from two interconnected by means of transverse profiles, a U-profile exhibiting longitudinal members.
  • Such trained working platform elements are characterized by their low weight and high stability.
  • planks which are particularly advantageously designed such that they engage behind the legs of the U-profile, resulting in a basic security of the planks against lifting takes place.
  • such an embodiment of the invention allows the particularly simple, advantageously provided telescoping arrangement of the working platform elements.
  • the U-profiles of the individual working platform elements are coordinated such that the outer dimension of the U-profile of the working platform element to be inserted is adapted to the inner dimension of the U-profile of the receiving working platform element.
  • a particularly reliable arrangement of the working platform elements is ensured together, with the outer surface of the U-profile of the retractable working platform element is supported on the inner surface of the U-profile of the receiving working platform element.
  • the transverse profiles of the first working platform element are arranged on the outside on each of a leg of the U-profiles in the region of their opposite ends.
  • Such an embodiment of the first working platform element ensures that its limited by the U-shaped interior is completely suitable for receiving the third working platform element.
  • the third working platform element preferably in the region of the second working platform element end facing on the outside on each leg of the U-profiles arranged transverse profiles.
  • the Häbühneu curriculum can be moved to compensate for changes in distance between the climbing towers in principle in any way relative to each other.
  • means for releasably locking the working platform elements to each other, in particular for locking the third working platform element to the first and second working platform element are provided.
  • Corresponding means which can be formed, for example, by screwing to one another, make it possible to establish the displaceability of the working platform elements relative to one another. Thus, it can be determined which, or which working platform elements are shifted relative to each other in dependence on the required change in length.
  • the means for locking the first working platform element on the third working platform element is designed such that a limited displaceability of these two working platform elements is adjustable to each other.
  • This means ensures with an adjustable relative displacement of the working platform elements to each other, that at the same time the connection of these two working platform elements is secured, d. H. these can not be separated.
  • the relative displaceability of the two working platform elements to each other can, for example, be determined such that at least the resulting in a climbing process from a tilting of the platform relative to the climbing towers length change is absorbed by the relative displaceability of the first working platform element to third working platform element.
  • the design of the transverse profiles for connecting the longitudinal members is basically arbitrary. According to an advantageous embodiment of the invention, however, the transverse profiles are designed for slidably receiving transverse struts, which are displaceable substantially perpendicular to the working platform elements.
  • This embodiment of the invention allows a particularly simple broadening of the working platforms in the event that it is necessary for safety reasons to close the distance between the working platform and the building to be created.
  • the cross struts serve to accommodate a releasably arrange stage cover, which can be removed again in a simple manner, if necessary. In this case, even then the cross braces can be inserted in a simple manner in the cross sections, where they until their next use can remain without disturbing.
  • the climbing towers of the climbing armor are gradually raised after the creation of a plane to the completion of the building.
  • This climbing the climbing towers is not synchronous, so that during the climbing process, the platform is tilted relative to the climbing towers.
  • the first and second working platform element are formed at their opposite ends for articulated arrangement on a Häbühnenimplantationlessness.
  • stage camp are formed by ball pans, which allow an articulated arrangement of the platform to suitably trained stage supports the climbing towers.
  • the second working platform element is advantageously connected by longitudinal members with arranged on the inside of the U-profiles cross struts.
  • this is designed to accommodate a suspension console, which in turn is suitable for receiving a stage cover.
  • This embodiment of the invention ensures that over the entire length of an appropriately trained working platform, if necessary. A stage broadening can be done.
  • the displaceability of the work platform elements in the case of the use of side rails with corresponding U-profiles already guaranteed when the dimensions of the U-profiles are coordinated.
  • the working platform elements are arranged one inside the other via bearing elements displaceable.
  • Bearing elements which include, for example, rolling or ball bearings, facilitate the displacement of Arbcitsbühenimplantation each other and ensure high reliability of appropriately trained working platforms.
  • the bearing elements thereby formed from guide rollers, which are particularly advantageously arranged on the working platform elements that they rest against an inside and / or outside of the U-profiles.
  • the guide rollers which can be arranged in a simple manner to the working platform elements, are characterized by their high reliability, low maintenance and low production costs.
  • variable-length work platform on one or both ends on a pivotally mounted cover is usually designed so that it bridges the area between two arranged on a climbing tower work platforms, creating a simple and safe passage between the individual work platforms is created.
  • the pivotability of the cover ensures that they are open, so that the staff can safely ascend and descend in the area of the climbing tower, for example, to get from one to the other level.
  • the pivotable arrangement of the cover ensures their easy adaptation to different inclinations of the stage, which can take them during the climbing process. The work will not be hindered and the staff will not be endangered.
  • the arrangement of the cover on the platform is basically arbitrary. According to a particularly advantageous embodiment of the invention, however, the work platform has a cover which is arranged on the front side of the first working platform element.
  • the frontal arrangement is characterized in that the cover can be arranged on the platform so that it bridges in the unfolded state, ie in the state in which the area of the climbing tower and a connection to the next arranged on the climbing tower working platform, no Has height differences to the platform deck, which could form stumbling edges for the staff.
  • the frontal arrangement also allows free pivoting of the platform during the climbing process, in which it can be tilted by up to 22 ° with respect to a horizontal.
  • the cover can have a pivoting range of up to 270 °. This ensures that the cover, starting from a rest position, in which the cover is arranged in the case of the arrangement on the first working platform element between the U-profiles, up to the maximum inclination during climbing operation are freely pivoted can.
  • the cover is formed in two pieces. This configuration allows the personnel to climb up or down on the climbing tower without opening the entire cover. The remaining part of the cover will continue to maintain a connection between the work platforms. Even while parts of the staff climb up or down on the climbing tower, the work platforms remain connected to each other, so that nevertheless other parts of the personnel can safely pass from one working platform to another.
  • Fig. 1 shows an exploded view of a perspective view of a double telescopic platform 1 consisting of a large, first working platform element 2, a middle, third working platform element 3 and a second, smaller working platform element. 4
  • the working platform elements 2, 3, 4 are each formed of two parallel spaced, a U-profile having longitudinal beams 12a, 12b, 12c formed, which are connected to each other via transverse profiles 13a, 13b, 13c, 13d.
  • the transverse profiles 13a are arranged at a distance from each other on an outer leg of the longitudinal beams 12a, so that the limited by the inner surface of the longitudinal beams 12a interior of the first working platform element 2 is completely suitable for receiving the third working platform element 3.
  • the railing post recordings 9 have holes for latching receiving the correspondingly formed in the connection area railing post 11 (see. Fig. 2 and Fig. 3 ).
  • the railing posts 11 of the first railing element 6 are connected to each other in the region of the first working platform element 2 via two railing spars 6 a, which have a circular opening cross-section.
  • the opening cross-section of the terrain beams 6a is greater than the outer cross-section of railing spars 7a of the second working platform element 3 associated second railing element 7.
  • the railing spars 7a are attached to a railing post 11, which in the region of the first working platform element 2 opposite end of the third working platform element 3 in a Railing post receptacle 9 is releasably attached.
  • a railing element 8 of the railing 5 on the second working platform element 4, this has a releasably connected to the longitudinal member 12c railing post receptacle 10.
  • the releasable design of the railing post holder 10 allows, if necessary, a complete displacement of the second working platform element 4 in the third working platform element 3.
  • the railing post 11 of the second Work platform element 4 associated railing element 8 has two arranged substantially perpendicular to this railing spars 8a, the outer cross-section is smaller than the opening cross section of the railing spars 7a of the railing element 7 of the third working platform element 3.
  • This embodiment of the railing spars 8a allows a shift of the same within the railing spars 7a.
  • both ends of the platform 1 on the railing 5 railing extensions 45a, 45b are arranged.
  • the railing extension 45a is formed by two sleeves arranged on the railing post 11 in which a railing element is arranged to be longitudinally displaceable.
  • the railing extension 45b is arranged to be longitudinally displaceable in the railing spars 8a.
  • the longitudinal displaceability of the railing extension 45a, 45b also compensates for the changes in distance between the railing 5 and the climbing tower 50 during a climbing phase.
  • the free ends of the railing extensions are connected to chains 51, which can be attached to the climbing towers 50.
  • the dimension of the U-profiles of the longitudinal beams 12b of the third working platform element 3 has an external dimension which is adapted to the inside dimension of the U-profiles of the longitudinal beams 12a of the first working platform element 2 the side members 12b are displaceable within the U-profiles of the side members 12a.
  • the longitudinal beams 12b of the third working platform element 3 are connected to one another in the region of the end facing the first working platform element 2 by transverse profiles 13d arranged on the inside of the U-profile of the longitudinal support 12b.
  • the longitudinal profiles 12b of the third working platform element 3 are connected analogously to the first working platform element 2 by transverse profiles 13b arranged on the outside.
  • the transverse struts 13c are arranged completely on the inside on the longitudinal members 12c, in order to ensure a substantially complete displaceability of the second working platform element 4 in the third working platform element 3.
  • the U-profiles 12c on an external dimension, which in turn enables a displacement within the U-profiles 12b of the third working platform element 3.
  • the transverse profiles 13a, 13b are formed by rectangular cross-sectionally substantially rectangular profiles in which transverse struts 15 are arranged displaceably.
  • the cross struts 15 allow a broadening 14 of the working platform area.
  • additional floor covering 28 is arranged on the extended transverse struts 15, which adjoins the floor covering 27 which is arranged on the working platform elements 2, 3, 4 in the region between the longitudinal members 12a, 12b, 12c (cf. Fig. 5 ).
  • the U-profile 12c of the second platform assembly 4 is accessible so that it allows the attachment of a Einitatikonsole 29 (see. Fig. 6 ).
  • the longitudinal beams 12b of the third working platform element 3 have a bolt hole 20 designed in the form of a long hole and the longitudinal beams 12c of the second working platform element 4 can be brought into overlap with the bolt receptacle 20 by means of which the second working platform element 4 on the third working platform element 3, eg. using a bolt, can be set.
  • the longitudinal beams 12a of the first working platform element 2 each have a threaded rod 18 extending parallel to the longitudinal beams 12a, which are fastened at one end to the end of the longitudinal beam 12a opposite the third working platform element 3 and project into the U-profile of the longitudinal beam 12a at the other end.
  • the longitudinal member 12 b of the third working platform element 3 has in the region of the first working platform element 2 end facing a bore for receiving the free end of the threaded rod 18.
  • the third working platform element 3 in the region of its end facing the first working platform element 2 and the second working platform element 4 in the region of its third working platform element 3 end facing an inner guide roller 16 arranged on a web 17 on, which rolls within the U-profile 12a of the first working platform element 2 and the U-profile 12b of the third working platform element 3.
  • the first working platform element 2 at its end facing the third working platform element 3 and the third working platform element 3 in the region of its end facing the second working platform element 4 on the outside on the U-profiles 12b, 12c via a boom 23 arranged outer guide rollers 22 on.
  • the working platform 1 For articulated mounting of the working platform 1 to a stage support 26 of a climbing tower, not shown here, the working platform 1 arranged on both sides outer stage bearing 24.
  • the design of the stage bearing 24 and a further arranged in the region of the first working platform element, inner stage bearing 25 in the form of a U-profile allow pivoting of the working platform 1 relative to the stage supports 26th
  • hook-in console 29 has a longitudinal member 32 which with one end in the installed position surrounds a leg of the U-profile of the longitudinal member 12 c of the second working platform element 3.
  • a bolt 30 which extends through corresponding openings 31 in the longitudinal member 12c and the longitudinal member 32.
  • the suspension console 29 also has a transverse strut 33.
  • the cross member 33 is formed by a transverse strut 34a and a cross member 34b, wherein the cross member 34b is slidably mounted on the cross member 34a, which in turn on its side facing away from the cross member 34b on the Side member 32 is attached.
  • Fig. 7a-7c two working platforms 1 arranged in the area of a climbing tower 50 are shown.
  • the working platform 1 has a cover 40 arranged on the first working platform element 2 on the front side.
  • the cover 40 is connected via a bolt 42, which is mounted in a frontally arranged on the first working platform element 2 flange 41, pivotally connected to the first working platform element 2.
  • the cover 40 In the in Fig. 7a shown rest state, the cover 40 is collapsed, that is arranged in the region between the longitudinal beams 12a of the first working platform element 2.
  • the cover 40 To bridge the distance between the work platforms 1, the cover 40 is about the hinge pin 42 in the in Fig. 7b shown pivoted position in which the cover 40 engages with its free end in the second working platform element 4 of the opposite arranged on the climbing tower 50 working platform 1.
  • the connection between the work platforms 1 also allows the personnel in the area of the climbing tower 50 an unhindered passage between the individual work platforms 1.
  • the pivotable arrangement of the cover 40 also ensures in the in Fig. 7c shown climbing operation in which the working platforms 1 are inclined relative to the climbing towers 50, that further a passage between the working platforms 1 is possible.
  • the cover 40 consists of two individual elements which are pivotally mounted on the first working platform element 2.
  • the staff at the climbing tower 50 must ascend or descend, it is sufficient to open only a portion of the cover 40, whereas the other part continues to connect the working platforms 1 with each other.
  • the climbing tower 50 itself is attached to the surface 51 of the building to be created.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Ladders (AREA)
  • Bridges Or Land Bridges (AREA)
EP08014207A 2007-08-10 2008-08-08 Tribune de travail à longueur réglable, en particulier pour échafaudages Withdrawn EP2025832A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE202008012478U DE202008012478U1 (de) 2007-08-10 2008-08-08 Längenveränderliche Arbeitsbühne, insbesondere für Kletterrüstungen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007037976A DE102007037976A1 (de) 2007-08-10 2007-08-10 Längenveränderliche Arbeitsbühne, insbesondere für Kletterrüstungen

Publications (1)

Publication Number Publication Date
EP2025832A1 true EP2025832A1 (fr) 2009-02-18

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EP08014207A Withdrawn EP2025832A1 (fr) 2007-08-10 2008-08-08 Tribune de travail à longueur réglable, en particulier pour échafaudages

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EP (1) EP2025832A1 (fr)
DE (2) DE102007037976A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2481398A (en) * 2010-06-22 2011-12-28 Harsco Infrastructure Services Ltd Length adjustable platform system
PL423983A1 (pl) * 2017-12-21 2019-07-01 Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie Mobilny zespół pomostowy
EP3992394A1 (fr) * 2020-11-02 2022-05-04 Sateco Structure pliable de travail en encorbellement pour le réglage manuel de la longueur d'extension d'un châssis latéral
CN114961206A (zh) * 2022-05-05 2022-08-30 贵州桥梁建设集团有限责任公司 一种高速公路机电安装装置及其施工方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016013637A1 (de) * 2016-11-16 2018-05-17 Carbon Rotec Gmbh & Co. Kg Modul für ein Laufgestell
WO2024062225A1 (fr) * 2022-09-21 2024-03-28 Richard Montgomery Ensemble plateforme d'échafaudage

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2121704A (en) * 1937-06-07 1938-06-21 Walter R Leeworthy Scaffold bracket
US3556254A (en) * 1969-06-20 1971-01-19 Forest J Lambert Telescopic metal plank for scaffolds
DE7804014U1 (de) * 1978-02-11 1978-06-08 Kuemmerlin, Walter, 7120 Bietigheim- Bissingen Laufsteg
US4620612A (en) * 1983-07-31 1986-11-04 Nisso Sangyo Co., Ltd. Expansible corridor
WO1989012725A1 (fr) * 1988-06-14 1989-12-28 John Clement Preston Echafaudage
DE29908954U1 (de) * 1999-05-21 1999-08-05 FAC Frank Abels Consulting & Technology Gesellschaft mbH, 29633 Munster Arbeitsplattform, insbesondere bei Arbeitsbühnen oder Baugerüsten
EP1489248A2 (fr) * 2003-05-22 2004-12-22 Scafom International B.V. Traverse d'échafaudage extensible pour échafaudage
WO2006052131A1 (fr) * 2004-11-15 2006-05-18 Weenink, Ted Plate-forme opérationnelle extensible, en particulier pour un ascenseur

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2121704A (en) * 1937-06-07 1938-06-21 Walter R Leeworthy Scaffold bracket
US3556254A (en) * 1969-06-20 1971-01-19 Forest J Lambert Telescopic metal plank for scaffolds
DE7804014U1 (de) * 1978-02-11 1978-06-08 Kuemmerlin, Walter, 7120 Bietigheim- Bissingen Laufsteg
US4620612A (en) * 1983-07-31 1986-11-04 Nisso Sangyo Co., Ltd. Expansible corridor
WO1989012725A1 (fr) * 1988-06-14 1989-12-28 John Clement Preston Echafaudage
DE29908954U1 (de) * 1999-05-21 1999-08-05 FAC Frank Abels Consulting & Technology Gesellschaft mbH, 29633 Munster Arbeitsplattform, insbesondere bei Arbeitsbühnen oder Baugerüsten
EP1489248A2 (fr) * 2003-05-22 2004-12-22 Scafom International B.V. Traverse d'échafaudage extensible pour échafaudage
WO2006052131A1 (fr) * 2004-11-15 2006-05-18 Weenink, Ted Plate-forme opérationnelle extensible, en particulier pour un ascenseur

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2481398A (en) * 2010-06-22 2011-12-28 Harsco Infrastructure Services Ltd Length adjustable platform system
GB2481398B (en) * 2010-06-22 2012-05-16 Harsco Infrastructure Services Ltd A platform system
PL423983A1 (pl) * 2017-12-21 2019-07-01 Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie Mobilny zespół pomostowy
EP3992394A1 (fr) * 2020-11-02 2022-05-04 Sateco Structure pliable de travail en encorbellement pour le réglage manuel de la longueur d'extension d'un châssis latéral
FR3115805A1 (fr) * 2020-11-02 2022-05-06 Sateco Structure pliable de travail en encorbellement pour le réglage manuel de la longueur d’extension d’un châssis latéral
CN114961206A (zh) * 2022-05-05 2022-08-30 贵州桥梁建设集团有限责任公司 一种高速公路机电安装装置及其施工方法
CN114961206B (zh) * 2022-05-05 2023-09-29 贵州桥梁建设集团有限责任公司 一种高速公路机电安装装置及其施工方法

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