Implements or apparatus for applying pushing or pulling force – Screw – Geared
Patent
1996-10-22
1999-05-25
Watson, Robert C.
Implements or apparatus for applying pushing or pulling force
Screw
Geared
B66F 318
Patent
active
059063564
ABSTRACT:
An adjustable lifting apparatus preferably for applications in which a floor covering is to be removed and/or installed. The apparatus comprises multiple gear means which are capable of providing mechanical leverage while raising and/or lowering connecting means which attach the apparatus to the object to be lifted.
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