GB382396A - A pulley block to facilitate the assembly and separation of the sections forming telescopic extension ladders, by allowing a bight of the rope to be removed - Google Patents
A pulley block to facilitate the assembly and separation of the sections forming telescopic extension ladders, by allowing a bight of the rope to be removedInfo
- Publication number
- GB382396A GB382396A GB2742131A GB2742131A GB382396A GB 382396 A GB382396 A GB 382396A GB 2742131 A GB2742131 A GB 2742131A GB 2742131 A GB2742131 A GB 2742131A GB 382396 A GB382396 A GB 382396A
- Authority
- GB
- United Kingdom
- Prior art keywords
- rope
- bight
- facilitate
- allowing
- separation
- 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)
- Ladders (AREA)
Abstract
382,396. Pulley-blocks. TURRELL, J. A., 71, Kenning- ton Road, London. Oct. 2,1931, No. 27421. [Class 78 (v).] The front plate B of a pulleyblock used on telescopic extension ladders is provided with a V- shaped opening L through which the rope can be inserted or removed after it has been bent appropriately by hand.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2742131A GB382396A (en) | 1931-10-02 | 1931-10-02 | A pulley block to facilitate the assembly and separation of the sections forming telescopic extension ladders, by allowing a bight of the rope to be removed |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2742131A GB382396A (en) | 1931-10-02 | 1931-10-02 | A pulley block to facilitate the assembly and separation of the sections forming telescopic extension ladders, by allowing a bight of the rope to be removed |
Publications (1)
Publication Number | Publication Date |
---|---|
GB382396A true GB382396A (en) | 1932-10-27 |
Family
ID=10259299
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2742131A Expired GB382396A (en) | 1931-10-02 | 1931-10-02 | A pulley block to facilitate the assembly and separation of the sections forming telescopic extension ladders, by allowing a bight of the rope to be removed |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB382396A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2797589A1 (en) * | 1999-08-17 | 2001-02-23 | Jean Paul Frechin | Connecting element for receiving safety cord is made of fixed horizontal rod and fixed bent element, which are defining an interior space just large enough to pass the cord through |
-
1931
- 1931-10-02 GB GB2742131A patent/GB382396A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2797589A1 (en) * | 1999-08-17 | 2001-02-23 | Jean Paul Frechin | Connecting element for receiving safety cord is made of fixed horizontal rod and fixed bent element, which are defining an interior space just large enough to pass the cord through |
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