Rotary hoist

Details Rotary hoist Rotary hoist

1988-12-16

1990-02-13

Hartman, Judy

Implements or apparatus for applying pushing or pulling force

Hoisting truck

Single throw lever

254124, 254134, B60D 148

Patent

active

048999865

ABSTRACT:
A rotary hoist generally comprising a vertically extending shaft, a tubular housing telescoped over and rotatably supported on the shaft, a boom pivotally secured to the tubular housing and a jack pivotally secured between the housing and the boom. The shaft is supported by a leg socket member with elongated legs. The rotary hoist may be disassembled for storage or shipping.

REFERENCES:
patent: 3326340 (1967-06-01), Popper
patent: 4021017 (1977-05-01), Adams
patent: 4181290 (1980-01-01), Affolter
patent: 4508233 (1985-04-01), Helms
patent: 4669703 (1987-06-01), Hawkins et al.
BlueBird brochure, BlueBird International, Englewood, Colo., Jun. 1986.
J. C. Whitney & Co., Auto Parts and Accessories, Catalog No. 495K, Chicago, Ill., undated, p. 157.

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