EP1808552A2 - Greifer für einen Querträger - Google Patents
Greifer für einen Querträger Download PDFInfo
- Publication number
- EP1808552A2 EP1808552A2 EP07398001A EP07398001A EP1808552A2 EP 1808552 A2 EP1808552 A2 EP 1808552A2 EP 07398001 A EP07398001 A EP 07398001A EP 07398001 A EP07398001 A EP 07398001A EP 1808552 A2 EP1808552 A2 EP 1808552A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- claw
- profile
- crosspiece
- interior
- auto
- 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- Withdrawn
Links
Images
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
- E04G7/06—Stiff scaffolding clamps for connecting scaffold members of common shape
- E04G7/24—Couplings involving arrangements covered by more than one of the subgroups E04G7/08, E04G7/12, E04G7/20, E04G7/22
-
- 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
- E04G7/06—Stiff scaffolding clamps for connecting scaffold members of common shape
- E04G7/22—Stiff scaffolding clamps for connecting scaffold members of common shape for scaffold members in end-to-side relation
Definitions
- This document describes a claw for crosspiece to be used in the crosspiece setting in mobile working towers made of pre-fabricated elements (modular system).
- the simple rabbet systems (a) are easy to assemble, can be slightly trusted, work only by pressure rabbet, but can be freed easily by accidental actions or by verified movements/vibrations in the towers during the works.
- the setting methods referred in (b) and (c), of the anterior paragraph have as main inconvenience the assembly and dissemble problem, which is complicated and delayed, because, besides the cramps, wedges or rods, it is necessary other accessories for the assembly, such as (screws, nuts, etc.), which also involves using squeezing and relief tools.
- the assembly and dissemble of these towers have inevitable man power costs associated to the necessity of assembly/dissemble other braking elements.
- This new claw for crosspiece resolves totally all the anterior referred problems, because since its elements were technically studied, with optimised configuration and functioning, it allows an easy, rapid, resistant and safe assembly, dismount and reconfiguration of the mobile working towers made of pre-fabricated elements, easily adapted to modular systems.
- This claw for crosspiece is introduced in the extremities of the crosspiece and fixed with a rivet, all being part of the crosspiece set, including the profile and the claws.
- the geometric configuration of the Claw body for the Crosspiece is easily adapted to be equal to the profile periphery used in the crosspiece and in the mobile working towers elements build with pre-fabricated elements. The following profiles are dependent of the used geometrical configuration:
- the setting of the claw presents characteristics for the working towers installation placed outside, exposed to the environment conditions (atmospheric agents, polluting agents, etc.).
- the claw for the crosspiece presents itself with two differentiated safety elements, the Automotive Mobile Element (3) and the Safety Latch (2). Both were studied with the main purpose to restrict unnecessary access, to control and to prevent accidental actions in the structure crosspiece setting system. Only the movements of these two elements permit alternating between the "open” positions, for the assembly, and the "close” positions, for situations of concluded assembly.
- the opening of the automotive latch system (3) is influenced by two buttons simultaneously (5). With simple and rapid actions and without the use of complementary accessories, the crosspiece is assembled in the structure and fixed with high security.
- the Mobile Automotive Element (3) moves in rotation around an axle (6); the buttons (5) are fixed by an elastic peg (7 fig. 6) and the cradle for the spring (8 fig. 6) has as main function the movement that blocks and unblocks, allowing the open and close positions.
- the Safety Latch (2 fig. 6) comprises a spring (10 fig. 6) and a guide bolt (11) that helps the element to maintain its opening and closing positions.
- This Security lock is fixed by forging elements, since the ring function (9) and the bearing function (12) permits forging the Latch without its immobilization, in other words, they permit the rotation movements.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Connection Of Plates (AREA)
- Body Structure For Vehicles (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PT10341806A PT103418B (pt) | 2006-01-12 | 2006-01-12 | Garra para travessa |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1808552A2 true EP1808552A2 (de) | 2007-07-18 |
EP1808552A3 EP1808552A3 (de) | 2011-06-08 |
Family
ID=37964902
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07398001A Withdrawn EP1808552A3 (de) | 2006-01-12 | 2007-01-04 | Greifer für einen Querträger |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1808552A3 (de) |
PT (1) | PT103418B (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2498963A (en) * | 2012-02-01 | 2013-08-07 | Turner Access Ltd | Scaffolding component fastener |
EP3670785A1 (de) * | 2018-12-21 | 2020-06-24 | Peri Gmbh | Anschlusskopf für das rohrprofil eines modulgerüstbauteils in form einer vertikaldiagonalen und vertikaldiagonale |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4715474A (en) * | 1986-07-14 | 1987-12-29 | Wehmeyer Donald T | Scaffold system |
EP1094175A1 (de) * | 1999-10-18 | 2001-04-25 | Société Anonyme dite Tubesca | Befestigungsvorrichtung für Diagonalstreben an Gerüstleitern und damit hergestelltes Gerüst |
-
2006
- 2006-01-12 PT PT10341806A patent/PT103418B/pt not_active IP Right Cessation
-
2007
- 2007-01-04 EP EP07398001A patent/EP1808552A3/de not_active Withdrawn
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4715474A (en) * | 1986-07-14 | 1987-12-29 | Wehmeyer Donald T | Scaffold system |
EP1094175A1 (de) * | 1999-10-18 | 2001-04-25 | Société Anonyme dite Tubesca | Befestigungsvorrichtung für Diagonalstreben an Gerüstleitern und damit hergestelltes Gerüst |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2498963A (en) * | 2012-02-01 | 2013-08-07 | Turner Access Ltd | Scaffolding component fastener |
GB2498963B (en) * | 2012-02-01 | 2018-02-14 | Turner Access Ltd | Scaffolding component fastener |
EP3670785A1 (de) * | 2018-12-21 | 2020-06-24 | Peri Gmbh | Anschlusskopf für das rohrprofil eines modulgerüstbauteils in form einer vertikaldiagonalen und vertikaldiagonale |
CN111350344A (zh) * | 2018-12-21 | 2020-06-30 | Peri有限公司 | 用作立式对角件的模块化脚手架组件的管型材的连接头及立式对角件 |
CN111350344B (zh) * | 2018-12-21 | 2022-11-11 | Peri有限公司 | 用于立式对角件的管型材的连接头及立式对角件 |
Also Published As
Publication number | Publication date |
---|---|
EP1808552A3 (de) | 2011-06-08 |
PT103418B (pt) | 2007-11-05 |
PT103418A (pt) | 2007-07-31 |
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AKX | Designation fees paid |
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STAA | Information on the status of an ep patent application or granted ep patent |
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18D | Application deemed to be withdrawn |
Effective date: 20111209 |