GB201532A - Improvements in or relating to pulley blocks - Google Patents
Improvements in or relating to pulley blocksInfo
- Publication number
- GB201532A GB201532A GB16186/23A GB1618623A GB201532A GB 201532 A GB201532 A GB 201532A GB 16186/23 A GB16186/23 A GB 16186/23A GB 1618623 A GB1618623 A GB 1618623A GB 201532 A GB201532 A GB 201532A
- Authority
- GB
- United Kingdom
- Prior art keywords
- wheel
- chain
- worm
- shaft
- standards
- 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
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D3/00—Portable or mobile lifting or hauling appliances
- B66D3/02—Manually-operated, e.g. lever-actuated, devices operating on ropes, cables, or chains for hauling in a mainly horizontal direction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D2700/00—Capstans, winches or hoists
- B66D2700/02—Hoists or accessories for hoists
- B66D2700/021—Hauling devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
Abstract
201,532. Desmarest, H. Godard-. July 25, 1922, [Convention date]. Void [Published under Sect. 91 of the Act]. Winches; driving-gear; laying or guiding ropes on or off during winding and unwinding.-A hauling winch comprises a chain wheel 4 driven by a worm wheel 2 and worm 1, the whole being mounted in a frame 8 swivelling about the axle 5 in A-shaped standards 6, so that the winch can adjust itself to the angle of pull of the load. The standards are mounted on rollers 7 for portability. The worm shaft may be operated by hand or through two-speed gearing from a shaft 1C<1>, Fig. 3. The final wheel 10 of the speed gear is fitted with a pair of retaining pawls 11 connected by a spring. By rotating the cam 14, by a hand lever on the shaft 15, the pawls are thrown alternatively out of action, thus permitting the worm shaft to rotate in .either direction at will, but preventing any reverse motion. Loads are attached alternately to the end of a chain passing over the wheel 4, the chain being kept in engagement with the wheel by a shaped guard spring-mounted on the plates 8 with its surface close to the periphery of the wheel. An unhooking device acts in both directions to release the slack-side of the chain as it is paid out by the wheel.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR201532X | 1922-07-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB201532A true GB201532A (en) | 1924-09-04 |
Family
ID=8880019
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB16186/23A Expired GB201532A (en) | 1922-07-25 | 1923-06-21 | Improvements in or relating to pulley blocks |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB201532A (en) |
-
1923
- 1923-06-21 GB GB16186/23A patent/GB201532A/en not_active Expired
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