Leverage device for use with jack

Details Leverage device for use with jack Leverage device for use with jack

1978-04-03

1978-11-28

Watson, Robert C.

Implements or apparatus for applying pushing or pulling force

Special engaging elements

Sharing props

254 8B, 254124, B66F 322

Patent

active

041272552

ABSTRACT:
A leverage device for use with various jacking means may be folded to occupy a minimum of space during storage but can be unfolded and set in an operative condition to be made fully functional to cooperate with various conventional jacking devices, the device providing a scissoring action for raising and lowering an object when the jack is actuated.

REFERENCES:
patent: 1684606 (1928-09-01), Thielen
patent: 2080114 (1937-05-01), Cochin
patent: 3378231 (1968-04-01), Rapp

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