Lifting jack and cover therefor

Details Lifting jack and cover therefor Lifting jack and cover therefor

1982-08-26

1984-11-20

Watson, Robert C.

Implements or apparatus for applying pushing or pulling force

Screw

Geared

74609, B66F 318

Patent

active

044835159

ABSTRACT:
A lifting jack having a first tubular frame member, a second tubular frame member movably interconnected coaxially with the first frame member, and a selectively operable drive mechanism for moving the second frame member relative to the first frame member. The drive mechanism includes a shaft and a bracket fastened to the second frame member and having two aligned apertures for pivotally mounting a shaft. A protective cover is provided for the drive mechanism and is removably fastened to the shaft.

REFERENCES:
patent: 880113 (1908-02-01), Voss
patent: 1326661 (1919-12-01), Hewitt et al.
patent: 1659785 (1928-02-01), Rodman et al.
patent: 2512528 (1950-06-01), Holman

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