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GB492952A - Improvements in and relating to pulley-blocks - Google Patents

Improvements in and relating to pulley-blocks

Info

Publication number
GB492952A
GB492952A GB266338A GB266338A GB492952A GB 492952 A GB492952 A GB 492952A GB 266338 A GB266338 A GB 266338A GB 266338 A GB266338 A GB 266338A GB 492952 A GB492952 A GB 492952A
Authority
GB
United Kingdom
Prior art keywords
pulley
blocks
relating
arms
groove
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
Application number
GB266338A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to GB266338A priority Critical patent/GB492952A/en
Publication of GB492952A publication Critical patent/GB492952A/en
Expired legal-status Critical Current

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)
  • Pulleys (AREA)
  • Ropes Or Cables (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)

Abstract

492,952. Pulley-blocks. McDONALD, C. A. Jan. 27, 1938, No. 2663. [Class 78 (v)] The sheave 14 has a shallow groove 19 formed in its periphery which with the curved inner surfaces 24, 25 of the arms 20, 21 forms an unbroken circular curve to guide a cable threaded through the throat 23 into the groove. The arms are braced by ribs 26, 27.
GB266338A 1938-01-27 1938-01-27 Improvements in and relating to pulley-blocks Expired GB492952A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB266338A GB492952A (en) 1938-01-27 1938-01-27 Improvements in and relating to pulley-blocks

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB266338A GB492952A (en) 1938-01-27 1938-01-27 Improvements in and relating to pulley-blocks

Publications (1)

Publication Number Publication Date
GB492952A true GB492952A (en) 1938-09-29

Family

ID=9743564

Family Applications (1)

Application Number Title Priority Date Filing Date
GB266338A Expired GB492952A (en) 1938-01-27 1938-01-27 Improvements in and relating to pulley-blocks

Country Status (1)

Country Link
GB (1) GB492952A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2174055A (en) * 1985-04-26 1986-10-29 British Engines Ltd Anchor chaser
GB2206554A (en) * 1987-06-30 1989-01-11 Alan William Tupper Threading and hoisting devices and systems

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2174055A (en) * 1985-04-26 1986-10-29 British Engines Ltd Anchor chaser
GB2206554A (en) * 1987-06-30 1989-01-11 Alan William Tupper Threading and hoisting devices and systems

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