GB1167907A - Improvements in or relating to Electrically Operated Chain Hoists. - Google Patents

Improvements in or relating to Electrically Operated Chain Hoists.

Info

Publication number
GB1167907A
GB1167907A GB4901066A GB4901066A GB1167907A GB 1167907 A GB1167907 A GB 1167907A GB 4901066 A GB4901066 A GB 4901066A GB 4901066 A GB4901066 A GB 4901066A GB 1167907 A GB1167907 A GB 1167907A
Authority
GB
United Kingdom
Prior art keywords
chain
sprocket
wheel
pitch circle
point
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
GB4901066A
Inventor
Arthur Thomas Charles Burrows
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.)
Geo W King Ltd
Original Assignee
Geo W King 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 Geo W King Ltd filed Critical Geo W King Ltd
Priority to GB4901066A priority Critical patent/GB1167907A/en
Priority to FR125999A priority patent/FR1543607A/en
Priority to DE19671531307 priority patent/DE1531307A1/en
Publication of GB1167907A publication Critical patent/GB1167907A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02—Toothed members; Worms
    • F16H55/17—Toothed wheels
    • 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
    • B66D3/18—Power-operated hoists
    • 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
    • B66D3/18—Power-operated hoists
    • B66D3/26—Other details, e.g. housings

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • Load-Engaging Elements For Cranes (AREA)

Abstract

1,167,907. Electric hoists. GEO. W. KING Ltd. 30 Oct., 1967 [1 Nov., 1966], No. 49010/66. Heading B8B. [Also in Division F2] An electrically-operated chain hoist incorporates a polygonal chain sprocket 10 around which the hoist chain 11 passes and a spur wheel 12 which is coupled to the sprocket 10 via a splined shaft and which has a varying pitch circle diameter 13 such that variations in the chain velocity are minimized or avoided. The spur wheel and sprocket are fixed relative to each other such that a point of minimum pitch circle radius of the wheel 12 corresponds to the centre of a chain pocket on the polygonal sprocket 10, and a point of maximum pitch circle radius corresponds to a point at which the chain 11 coincides with the pitch circle diameter 13d of the sprocket 10. A cruciform sectioned guide passage for the chain 11 leaving the sprocket 10 is formed by two linked members co-extending with the chain and spring-biased into abutment with each other. A chain guard adjacent the sprocket wheel 10 is arranged to cut off the drive to the wheel in the event of the chain leaving the wheel.
GB4901066A 1966-11-01 1966-11-01 Improvements in or relating to Electrically Operated Chain Hoists. Expired GB1167907A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB4901066A GB1167907A (en) 1966-11-01 1966-11-01 Improvements in or relating to Electrically Operated Chain Hoists.
FR125999A FR1543607A (en) 1966-11-01 1967-10-26 Electric chain hoist
DE19671531307 DE1531307A1 (en) 1966-11-01 1967-10-31 Chain hoist with electric drive

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4901066A GB1167907A (en) 1966-11-01 1966-11-01 Improvements in or relating to Electrically Operated Chain Hoists.

Publications (1)

Publication Number Publication Date
GB1167907A true GB1167907A (en) 1969-10-22

Family

ID=10450790

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4901066A Expired GB1167907A (en) 1966-11-01 1966-11-01 Improvements in or relating to Electrically Operated Chain Hoists.

Country Status (2)

Country Link
DE (1) DE1531307A1 (en)
GB (1) GB1167907A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6905432B2 (en) 2001-01-26 2005-06-14 Jorg Oser Chain drive arrangement
DE102016107228A1 (en) 2016-04-19 2017-10-19 Stahl Cranesystems Gmbh Chain hoist with chain vibration damping

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10314724A1 (en) * 2003-03-31 2004-11-04 Demag Cranes & Components Gmbh Method for reducing the polygon effect in a chain drive, in particular in a chain hoist, and chain drive therefor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6905432B2 (en) 2001-01-26 2005-06-14 Jorg Oser Chain drive arrangement
DE102016107228A1 (en) 2016-04-19 2017-10-19 Stahl Cranesystems Gmbh Chain hoist with chain vibration damping

Also Published As

Publication number Publication date
DE1531307A1 (en) 1970-01-22

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Legal Events

Date Code Title Description
414F Notice of opposition given (sect. 14/1949)
414E Application relinquished (sect. 14/1949)
CSNS Application of which complete specification have been accepted and published, but patent is not sealed