GB1224074A - Pulley block - Google Patents
Pulley blockInfo
- Publication number
- GB1224074A GB1224074A GB2738368A GB2738368A GB1224074A GB 1224074 A GB1224074 A GB 1224074A GB 2738368 A GB2738368 A GB 2738368A GB 2738368 A GB2738368 A GB 2738368A GB 1224074 A GB1224074 A GB 1224074A
- Authority
- GB
- United Kingdom
- Prior art keywords
- rope
- block
- arm
- pivoted
- june
- 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
- B66D3/04—Pulley blocks or like devices in which force is applied to a rope, cable, or chain which passes over one or more pulleys, e.g. to obtain mechanical advantage
-
- 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
- B66D2700/026—Pulleys, sheaves, pulley blocks or their mounting
- B66D2700/028—Pulley blocks with multiple sheaves
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
1,224,074. Pulley blocks. LEDGER EQUIPMENT Ltd. 5 June, 1969 [8 June, 1968], No. 27383/68. Heading B8B. A hoisting pulley block includes an arm 7 pivoted thereto for containing a rope 11 supporting the block and to which the end of the rope is secured at 10, when a single rope system is to be used, the arm being pivoted clear of the rope when a double rope system is to be used, in which the end of the rope 11 is extended from the block to be secured to structure adjacent the rope hoisting gear. The centring arm 7 pivoted between side plates 1 of the block, is formed with a tope guide groove 8 and abuts a stage 9 on the block during use in the single rope system.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2738368A GB1224074A (en) | 1968-06-08 | 1968-06-08 | Pulley block |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2738368A GB1224074A (en) | 1968-06-08 | 1968-06-08 | Pulley block |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1224074A true GB1224074A (en) | 1971-03-03 |
Family
ID=10258718
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2738368A Expired GB1224074A (en) | 1968-06-08 | 1968-06-08 | Pulley block |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1224074A (en) |
-
1968
- 1968-06-08 GB GB2738368A patent/GB1224074A/en not_active Expired
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