GB831571A - Improvements relating to pulley blocks - Google Patents

Improvements relating to pulley blocks

Info

Publication number
GB831571A
GB831571A GB2165557A GB2165557A GB831571A GB 831571 A GB831571 A GB 831571A GB 2165557 A GB2165557 A GB 2165557A GB 2165557 A GB2165557 A GB 2165557A GB 831571 A GB831571 A GB 831571A
Authority
GB
United Kingdom
Prior art keywords
pulley
carried
improvements relating
pulley blocks
july
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
GB2165557A
Inventor
George Robert Thomas Clarke
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.)
Road Machines Drayton Ltd
Original Assignee
Road Machines Drayton Ltd
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 Road Machines Drayton Ltd filed Critical Road Machines Drayton Ltd
Priority to GB2165557A priority Critical patent/GB831571A/en
Publication of GB831571A publication Critical patent/GB831571A/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

Abstract

831,571. Fairleads. ROAD MACHINES (DRAYTON) Ltd. July 7,1958 [July 9, 1957], No. 21655/57. Class 78 (5). A rope is led to and led off a pulley by pairs of rollers g, h. The roller pairs are carried by respective arms e pivoted to the pulley spindle b. Pulley a is carried by frame c and is made variably-positionable in that frame c is carried by eye d, the connection between these being made by a nut-and-screw with retaining screw.
GB2165557A 1957-07-09 1957-07-09 Improvements relating to pulley blocks Expired GB831571A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2165557A GB831571A (en) 1957-07-09 1957-07-09 Improvements relating to pulley blocks

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2165557A GB831571A (en) 1957-07-09 1957-07-09 Improvements relating to pulley blocks

Publications (1)

Publication Number Publication Date
GB831571A true GB831571A (en) 1960-03-30

Family

ID=10166585

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2165557A Expired GB831571A (en) 1957-07-09 1957-07-09 Improvements relating to pulley blocks

Country Status (1)

Country Link
GB (1) GB831571A (en)

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