Staple remover with adjustable leverage

Details Staple remover with adjustable leverage Staple remover with adjustable leverage

1989-05-15

1990-06-05

Watson, Robert C.

Implements or apparatus for applying pushing or pulling force

Thill-coupling jack

B25C 1100

Patent

active

049307495

ABSTRACT:
A tool having a generally horizontal U shaped shaft, the upper portion thereof having a handle attached thereto, and the lower portion of said shaft ending with an upwardly curved blade which tapers to a thin, sharp edge slightly forward of two side tines which are upwardly curved in an arc similar to that of the blade except that said arc turns conversely near the vertices of said side tines so as to form convergences wherein the blade and the side tines, jointly, can engage, grip, and lift a staple from its embedment. An adjustable leverage means is mounted on the lower portion of said shaft so as to provide lift as required to extract staples of various sizes from their embedments.

REFERENCES:
patent: 119770 (1871-10-01), Ives
patent: 2563227 (1951-08-01), Emery
patent: 3310288 (1967-03-01), Berry
patent: 3613134 (1971-10-01), Bassett
patent: 4036471 (1977-07-01), Allen et al.
patent: 4049236 (1977-11-01), Grill et al.
patent: 4205823 (1980-06-01), Goldy
patent: 4219187 (1980-08-01), Brumfield
patent: 4688761 (1987-08-01), Wilcox
Osborne & Co., from Ad in "The Professional Upholsterer", Magazine Dtd., Jun./Jul. 1988.

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