Jack

Details Jack Jack

1980-05-07

1982-02-09

Watson, Robert C.

Implements or apparatus for applying pushing or pulling force

Single throw lever

Mechanically actuated

254 8B, B66F 300

Patent

active

043146910

ABSTRACT:
A jack for raising car bodies in which a threaded-driven movable block screwed on a threaded rod is threadedly moved to cooperate with first and second link means to raise a lifting table adapted to be engaged with car bodies, the first and second link means establishes a proportional relation between the speed of upward travel of the lifting table and the speed of transverse movement of the movable block.

REFERENCES:
patent: 1559099 (1925-10-01), Hopkins
patent: 1821627 (1931-09-01), Fotheringham
patent: 3337170 (1967-08-01), Remy et al.
patent: 3854750 (1974-12-01), Voehringer

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