GB842664A - Improvements in or relating to pulley blocks - Google Patents

Improvements in or relating to pulley blocks

Info

Publication number
GB842664A
GB842664A GB3303257A GB3303257A GB842664A GB 842664 A GB842664 A GB 842664A GB 3303257 A GB3303257 A GB 3303257A GB 3303257 A GB3303257 A GB 3303257A GB 842664 A GB842664 A GB 842664A
Authority
GB
United Kingdom
Prior art keywords
pulley
hook
relating
pulley blocks
slot
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
GB3303257A
Inventor
Gilbert Edwards Simm Jr
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.)
G E SIMM ENGINEERING Ltd
Original Assignee
G E SIMM ENGINEERING 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 G E SIMM ENGINEERING Ltd filed Critical G E SIMM ENGINEERING Ltd
Priority to GB3303257A priority Critical patent/GB842664A/en
Publication of GB842664A publication Critical patent/GB842664A/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
    • B66D3/046—Openable pulley blocks

Abstract

842,664. Pulley - blocks SIMMS (ENGINEERING; Ltd., G. E. Jan. 19, 1959 [Oct. 23, 1957], No. 33032/57. Class 78(5). A snatch-block comprising a pulley 1 and hook 18 both mounted between side-plate. 4, 5, has a pivoted latch 12 formed with a slot 21, the slot co-operating with elongated head 22 of the pivot of the hook 18 so that when the hook i, rotated through 90 degrees the latch is released so that it may be opened to aid the roving of a rope around the pulley 1.
GB3303257A 1957-10-23 1957-10-23 Improvements in or relating to pulley blocks Expired GB842664A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3303257A GB842664A (en) 1957-10-23 1957-10-23 Improvements in or relating to pulley blocks

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3303257A GB842664A (en) 1957-10-23 1957-10-23 Improvements in or relating to pulley blocks

Publications (1)

Publication Number Publication Date
GB842664A true GB842664A (en) 1960-07-27

Family

ID=10347612

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3303257A Expired GB842664A (en) 1957-10-23 1957-10-23 Improvements in or relating to pulley blocks

Country Status (1)

Country Link
GB (1) GB842664A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3275301A (en) * 1964-10-01 1966-09-27 John A Read Sheave pulley

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3275301A (en) * 1964-10-01 1966-09-27 John A Read Sheave pulley

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