GB573853A - Improvements in and relating to devices for preventing overloading of geared pulley hoists - Google Patents

Improvements in and relating to devices for preventing overloading of geared pulley hoists

Info

Publication number
GB573853A
GB573853A GB1703143A GB1703143A GB573853A GB 573853 A GB573853 A GB 573853A GB 1703143 A GB1703143 A GB 1703143A GB 1703143 A GB1703143 A GB 1703143A GB 573853 A GB573853 A GB 573853A
Authority
GB
United Kingdom
Prior art keywords
shaft
relating
devices
hoists
geared pulley
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
GB1703143A
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.)
EMIL PERMAN
Original Assignee
EMIL PERMAN
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 EMIL PERMAN filed Critical EMIL PERMAN
Priority to GB1703143A priority Critical patent/GB573853A/en
Publication of GB573853A publication Critical patent/GB573853A/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
    • B66D3/12—Chain or like hand-operated tackles with or without power transmission gearing between operating member and lifting rope, chain or cable
    • B66D3/16—Chain or like hand-operated tackles with or without power transmission gearing between operating member and lifting rope, chain or cable operated by an endless chain passing over a pulley or a sprocket

Abstract

573,853. Pulley-hoists. PERMAN, P. E. Oct. 16, 1943, No. 17031. [Class 78 (v)] In a geared pulley-hoist which is actuated through worm gearing, overloading is prevented by a ratchet device which is brought into action after a predetermined axial displacement of the worm shaft against spring pressure. The worm shaft 9 is slidably mounted in bearings 10, 12 and is prevented from moving to the right by a collar 11. Movement to the left against the resistance of the spring 18 can take place until the pawl 21, Fig. 3, comes into engagement with the ratchet wheel 13, which is fast on the shaft. A disc 14 rigidly connected with the wheel 13 bears against a friction disc 15 which is free on the shaft and bears against a ratchet wheel 16, also free on the shaft.
GB1703143A 1943-10-16 1943-10-16 Improvements in and relating to devices for preventing overloading of geared pulley hoists Expired GB573853A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1703143A GB573853A (en) 1943-10-16 1943-10-16 Improvements in and relating to devices for preventing overloading of geared pulley hoists

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1703143A GB573853A (en) 1943-10-16 1943-10-16 Improvements in and relating to devices for preventing overloading of geared pulley hoists

Publications (1)

Publication Number Publication Date
GB573853A true GB573853A (en) 1945-12-10

Family

ID=10087978

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1703143A Expired GB573853A (en) 1943-10-16 1943-10-16 Improvements in and relating to devices for preventing overloading of geared pulley hoists

Country Status (1)

Country Link
GB (1) GB573853A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104444916A (en) * 2014-11-30 2015-03-25 重庆三贵机械制造有限公司 Friction brake for hoisting machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104444916A (en) * 2014-11-30 2015-03-25 重庆三贵机械制造有限公司 Friction brake for hoisting machine

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