GB223194A - Safety hook for use in well works - Google Patents
Safety hook for use in well worksInfo
- Publication number
- GB223194A GB223194A GB16035/24A GB1603524A GB223194A GB 223194 A GB223194 A GB 223194A GB 16035/24 A GB16035/24 A GB 16035/24A GB 1603524 A GB1603524 A GB 1603524A GB 223194 A GB223194 A GB 223194A
- Authority
- GB
- United Kingdom
- Prior art keywords
- hook
- bar
- latch
- cross
- bifurcated
- 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
Links
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Emergency Lowering Means (AREA)
Abstract
223,194. Ratigan, J. P. Oct. 11, 1923, [Convention date]. Safety hooks. - A swivelled safety-hook for use in well work comprises a hook-member 3 provided with a shoulder 19 which abuts against a cross-bar 20 through which a stud 18 integral with the hook, passes on which a securing nut 22 is screwed above a ball or like bearing 23. A spring-pressed rectangular latch 7 having a sloping face 10 normally closes the hook and is disposed at right-angles to the point 5. The latch 7 is provided with a slotted releasing grip 11 which is partially housed in the body of the hook 3, and protected at either end by lugs 16, 17 thereon. The outer surface of the grip forms a practically continuous curve with the hook 3 to avoid accidental displacement. An arm 24 is provided on the cross-bar 20 and is bifurcated at its free end to accommodate a closing-member 26 which is also bifurcated where it is secured by a pin 28 over a projection on the cross-bar. The hook is attached to a tackle by the arm 24, and the load is prevented from accidental displacement from the hook 3 by the latch 7.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US223194XA | 1923-10-11 | 1923-10-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB223194A true GB223194A (en) | 1925-03-05 |
Family
ID=21808980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB16035/24A Expired GB223194A (en) | 1923-10-11 | 1924-07-03 | Safety hook for use in well works |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB223194A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3146853A (en) * | 1961-12-29 | 1964-09-01 | Ohio Brass Co | Boom extension |
| CN117886206A (en) * | 2024-03-18 | 2024-04-16 | 国网山东省电力公司东明县供电公司 | Auxiliary replacing device for column type insulator |
-
1924
- 1924-07-03 GB GB16035/24A patent/GB223194A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3146853A (en) * | 1961-12-29 | 1964-09-01 | Ohio Brass Co | Boom extension |
| CN117886206A (en) * | 2024-03-18 | 2024-04-16 | 国网山东省电力公司东明县供电公司 | Auxiliary replacing device for column type insulator |
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