GB563939A - Chain hoist - Google Patents

Chain hoist

Info

Publication number
GB563939A
GB563939A GB1745942A GB1745942A GB563939A GB 563939 A GB563939 A GB 563939A GB 1745942 A GB1745942 A GB 1745942A GB 1745942 A GB1745942 A GB 1745942A GB 563939 A GB563939 A GB 563939A
Authority
GB
United Kingdom
Prior art keywords
chain
abutment
sprocket
vibration
link
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
GB1745942A
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 GB1745942A priority Critical patent/GB563939A/en
Publication of GB563939A publication Critical patent/GB563939A/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
    • B66D3/18—Power-operated hoists
    • B66D3/26—Other details, e.g. housings

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Percussion Or Vibration Massage (AREA)
  • Vending Machines For Individual Products (AREA)

Abstract

563,939. Chain hoists. TRIGGS, W. W. (Yale & Towne Manufacturing Co.). Dec. 8, 1942, No. 17459. [Class 78 (v)] To prevent the vibration which occurs in the body of a chain hoist or like apparatus 10 owing to the continuous 'reciprocatory displacement of the chain line. due to the radial movement of the last, or first, link 37a contacting with the sprocket teeth 33 which takes place as the sprocket 26 rotates, an abutment 46 is provided beneath the sprocket wheel 26 against which the chain links which are approaching or leaving the sprocket bear. The change of load line from L to L<1> and back which would thus normally occur and set up vibration is prevented. The abutment 46 may be carried by a chain stripper 42 slotted at 45 and pivoted at 43. The surface of the abutment may be sufficiently narrow to allow the chain rollers 34 to bear directly thereon, and its top and bottom edges 46a, 46b are preferably rounded. The length of the abutment should be greater than the pivotal length of a link.
GB1745942A 1942-12-08 1942-12-08 Chain hoist Expired GB563939A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1745942A GB563939A (en) 1942-12-08 1942-12-08 Chain hoist

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1745942A GB563939A (en) 1942-12-08 1942-12-08 Chain hoist

Publications (1)

Publication Number Publication Date
GB563939A true GB563939A (en) 1944-09-06

Family

ID=10095546

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1745942A Expired GB563939A (en) 1942-12-08 1942-12-08 Chain hoist

Country Status (1)

Country Link
GB (1) GB563939A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2645138A1 (en) * 1989-04-04 1990-10-05 Mannesmann Ag COMPACT LIFTING EQUIPMENT
US5971178A (en) * 1997-02-18 1999-10-26 Bruce E. Ratcliff Impact driven hoist

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2645138A1 (en) * 1989-04-04 1990-10-05 Mannesmann Ag COMPACT LIFTING EQUIPMENT
US5971178A (en) * 1997-02-18 1999-10-26 Bruce E. Ratcliff Impact driven hoist

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