CA963821A - Convertible sheave assembly for telescoping derricks - Google Patents

Convertible sheave assembly for telescoping derricks

Info

Publication number
CA963821A
CA963821A CA155,811A CA155811A CA963821A CA 963821 A CA963821 A CA 963821A CA 155811 A CA155811 A CA 155811A CA 963821 A CA963821 A CA 963821A
Authority
CA
Canada
Prior art keywords
derricks
convertible
telescoping
sheave assembly
sheave
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
CA155,811A
Inventor
James J. Reimbold (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.)
AB Chance Co
Original Assignee
AB Chance Co
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 AB Chance Co filed Critical AB Chance Co
Application granted granted Critical
Publication of CA963821A publication Critical patent/CA963821A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
    • B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
    • B66F11/044—Working platforms suspended from booms
    • B66F11/046—Working platforms suspended from booms of the telescoping type
CA155,811A 1972-09-22 1972-11-07 Convertible sheave assembly for telescoping derricks Expired CA963821A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00291380A US3819063A (en) 1972-09-22 1972-09-22 Convertible sheave assembly for telescoping derricks

Publications (1)

Publication Number Publication Date
CA963821A true CA963821A (en) 1975-03-04

Family

ID=23120070

Family Applications (1)

Application Number Title Priority Date Filing Date
CA155,811A Expired CA963821A (en) 1972-09-22 1972-11-07 Convertible sheave assembly for telescoping derricks

Country Status (2)

Country Link
US (1) US3819063A (en)
CA (1) CA963821A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3937340A (en) * 1974-06-14 1976-02-10 Fulton Industries, Inc. Aerial platform having boom mounted pipe holder
JPS5620476Y2 (en) * 1977-02-23 1981-05-14
US6592316B2 (en) * 2001-02-28 2003-07-15 Hydra Tech, Inc. Automatic pole guide transfer mechanism
US20140252285A1 (en) * 2013-03-05 2014-09-11 Kelly D. Genoe Side Recovery Boom Apparatus for Tow Truck
CA2865727A1 (en) 2013-09-30 2015-03-30 Posi-Plus Technologies Inc. Telescoping arm with securable pole-tilt assembly

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3196979A (en) * 1961-08-22 1965-07-27 Eaton Metal Products Company Workman's cage or aerial basket
FR1601845A (en) * 1968-12-30 1970-09-14
US3631991A (en) * 1969-12-22 1972-01-04 Chance Co Ab Underslung winch and sheave structure for telescopic boom assembly
US3610433A (en) * 1970-05-07 1971-10-05 Baker Equipment Eng Co Hydraulically operable extendable boom

Also Published As

Publication number Publication date
US3819063A (en) 1974-06-25

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