ATE12758T1 - SAFETY DEVICE FOR HOOK-LIKE LIFTING DEVICES ON LIFTING EQUIPMENT. - Google Patents
SAFETY DEVICE FOR HOOK-LIKE LIFTING DEVICES ON LIFTING EQUIPMENT.Info
- Publication number
- ATE12758T1 ATE12758T1 AT81101431T AT81101431T ATE12758T1 AT E12758 T1 ATE12758 T1 AT E12758T1 AT 81101431 T AT81101431 T AT 81101431T AT 81101431 T AT81101431 T AT 81101431T AT E12758 T1 ATE12758 T1 AT E12758T1
- Authority
- AT
- Austria
- Prior art keywords
- load
- lifting
- hook
- safety member
- safety device
- Prior art date
Links
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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/142—Means in or on the elements for connecting same to handling apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
- B66C1/34—Crane hooks
- B66C1/36—Crane hooks with means, e.g. spring-biased detents, for preventing inadvertent disengagement of loads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/62—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled
- B66C1/66—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled for engaging holes, recesses, or abutments on articles specially provided for facilitating handling thereof
- B66C1/666—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled for engaging holes, recesses, or abutments on articles specially provided for facilitating handling thereof for connection to anchor inserts embedded in concrete structures
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
1. Safety device for hook-shaped load engaging elements (1) of lifting devices having a sliding safety member (2) taking the load position when actuated by a spring (3). In said locked position jaw opening (4) of lifting device is closed thus preventing an unwanted engagement or disengagement of load where the safety member is set manually in an open position by means of a flexible traction component (5) and an operating device (6) wherein the said flexible traction component consists of a rigid yet bendable wire rope (5) being positioned deflection-free nearly parallel to the load-engaging element, inserted with its one end (7) into the socket-type (2) safety member fixed by the deformation of the socket and thus kept in its correct position.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP81101431A EP0059228B1 (en) | 1981-02-27 | 1981-02-27 | Safety device for hook-shaped load-engaging elements of lifting devices |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE12758T1 true ATE12758T1 (en) | 1985-05-15 |
Family
ID=8187591
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT81101431T ATE12758T1 (en) | 1981-02-27 | 1981-02-27 | SAFETY DEVICE FOR HOOK-LIKE LIFTING DEVICES ON LIFTING EQUIPMENT. |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0059228B1 (en) |
AT (1) | ATE12758T1 (en) |
DE (1) | DE3169940D1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3529012C2 (en) * | 1985-08-13 | 1995-10-26 | Stolberger Metallwerke Gmbh | C-shaped load carrying device for the transport of coils |
NO321374B1 (en) * | 2004-04-06 | 2006-05-02 | Per Sviland | Device by ceiling hook |
CN102556836A (en) * | 2011-12-02 | 2012-07-11 | 常熟市浩通市政工程有限公司 | Safety hook for roving frame |
US10458460B1 (en) | 2017-08-22 | 2019-10-29 | Allan A. Fox | Spring-loaded safety latch release for power line hook |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE33393C (en) * | GEBRÜDER LEVIN in Braunschweig | Snap hook | ||
GB149041A (en) * | 1919-05-01 | 1920-08-03 | William James Oliver | Improvements in lifting or sling hooks |
US1637209A (en) * | 1925-05-16 | 1927-07-26 | Woods Bert | Elevator |
DE958152C (en) * | 1951-03-20 | 1957-02-14 | Alfawerk Gauting G M B H Spezi | Grab lock for attaching load carriers such as grabbers or load containers, especially for agricultural lifts |
DE1625869A1 (en) * | 1967-10-11 | 1970-08-20 | Norco Inc | Detachable clip fastener |
DE1808988A1 (en) * | 1968-11-15 | 1970-06-11 | Lorenz Kesting | Device and method for manipulating the same for the transport of reinforced concrete bodies, in particular of reinforced concrete prefabricated garages |
DE2240171C3 (en) * | 1972-08-16 | 1975-06-05 | Frimeda Metall- Und Drahtwarenfabrik Siegfried Fricker, 7131 Wiernsheim | Transport anchor |
DE2552387A1 (en) * | 1975-11-22 | 1977-05-26 | Haeussler Ernst | DEVICE FOR MANIPULATING PRECAST CONCRETE ELEMENTS |
DE2610195A1 (en) * | 1976-03-11 | 1977-09-22 | Haeussler Ernst | Prefabricated concrete component handling system - has lifting eye forming eccentric counterweight on slotted coupling piece for headed bolt |
DE2614961C3 (en) * | 1976-04-07 | 1979-02-01 | Brueggemann & Brand Kg, 5802 Wetter | Snap hook, especially for transporting heavy external loads on helicopters |
DE2641273A1 (en) * | 1976-09-14 | 1978-03-16 | Haeussler Ernst | Concrete component handling tackle - has angular lever pivoting on eye to release locking bolt |
US4087947A (en) * | 1976-09-15 | 1978-05-09 | Superior Concrete Accessories, Inc. | Edge-lifting system for a concrete slab |
DE2708788C2 (en) * | 1977-03-01 | 1979-01-18 | Ernst Dr.-Ing. 4300 Essen Haeussler | Device for attaching a precast concrete part to a hoist |
DE2806261C2 (en) * | 1978-02-15 | 1986-08-14 | Pfeifer Seil- Und Hebetechnik Gmbh & Co, 8940 Memmingen | Device for transporting precast concrete parts |
-
1981
- 1981-02-27 EP EP81101431A patent/EP0059228B1/en not_active Expired
- 1981-02-27 AT AT81101431T patent/ATE12758T1/en not_active IP Right Cessation
- 1981-02-27 DE DE8181101431T patent/DE3169940D1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
EP0059228A1 (en) | 1982-09-08 |
DE3169940D1 (en) | 1985-05-23 |
EP0059228B1 (en) | 1985-04-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
REN | Ceased due to non-payment of the annual fee |