GB909340A - Improvements in or relating to retarding devices - Google Patents
Improvements in or relating to retarding devicesInfo
- Publication number
- GB909340A GB909340A GB1602260A GB1602260A GB909340A GB 909340 A GB909340 A GB 909340A GB 1602260 A GB1602260 A GB 1602260A GB 1602260 A GB1602260 A GB 1602260A GB 909340 A GB909340 A GB 909340A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cam
- drum
- follower
- driven
- retarding
- 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
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/28—Other constructional details
- B66D1/36—Guiding, or otherwise ensuring winding in an orderly manner, of ropes, cables, or chains
- B66D1/39—Guiding, or otherwise ensuring winding in an orderly manner, of ropes, cables, or chains by means of axially-movable drums or barrels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D2700/00—Capstans, winches or hoists
- B66D2700/03—Mechanisms with latches or braking devices in general for capstans, hoists or similar devices as well as braking devices actuated electrically or by fluid under pressure
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
909,340. Retarding devices. UNITED KINGDOM ATOMIC ENERGY AUTHORITY. May 3, 1961 [May 5, 1960], No. 16022/60. Class 103 (1). [Also in Group XXX] A retarding device for a falling member comprises a cam driven by the member and a cam follower connected to a mechanical energy absorbing device. A device for lowering a weight 1, which may be a nuclear reactor control rod, comprises a helically-grooved drum 3 secured to a spindle 4 driven at one end by an electric motor 9 through a magnetic clutch 10, and being formed at the other end with an enlarged cylindrical portion 4a having one part of its cylindrical surface formed as a spiral cam surface 11b. The end of the portion 4a is internally threaded to receive an axially fixed screw member 8, the leads of the member 8, cam 11cand drum 3 being equal. A cam follower 12 is urged into engagement with the cam by a light spring and is connected by a lever 13 with an energy-absorbing device 14 which may be a liquid dashpot, an inertia flywheel or a friction disc. When the clutch 10 is released, the weight falls freely under gravity while the cam follower 12 rests on the cylindrical portion 4a; after a pre-determined free travel the follower rises on the cam to produce a deceleration characteristic dependent on the cam profile. In a modification the drum 3 is replaced by a rack-and-pinion mechanism.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1602260A GB909340A (en) | 1960-05-05 | 1960-05-05 | Improvements in or relating to retarding devices |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1602260A GB909340A (en) | 1960-05-05 | 1960-05-05 | Improvements in or relating to retarding devices |
Publications (1)
Publication Number | Publication Date |
---|---|
GB909340A true GB909340A (en) | 1962-10-31 |
Family
ID=10069756
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1602260A Expired GB909340A (en) | 1960-05-05 | 1960-05-05 | Improvements in or relating to retarding devices |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB909340A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3424871A3 (en) * | 2017-07-05 | 2019-05-01 | Hans Künz GmbH | Winch assembly |
-
1960
- 1960-05-05 GB GB1602260A patent/GB909340A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3424871A3 (en) * | 2017-07-05 | 2019-05-01 | Hans Künz GmbH | Winch assembly |
EP3632836A1 (en) * | 2017-07-05 | 2020-04-08 | Hans Künz GmbH | Crane with a winch assembly |
US10913640B2 (en) | 2017-07-05 | 2021-02-09 | Hans Künz GmbH | Cable winch arrangement |
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