Implements or apparatus for applying pushing or pulling force – Thill-coupling jack
Patent
1988-08-23
1989-09-26
Schmidt, Frederick R.
Implements or apparatus for applying pushing or pulling force
Thill-coupling jack
29268, B25C 1100
Patent
active
048694649
ABSTRACT:
A staple removing device includes a pair of jaws having portions which are provided at an angle with respect to a corresponding pair of handles. The pair of jaws are pivotable about a common pivot pin. A palm rest extends from a bracket which is attached to a jaw and a corresponding handle. In operation, the palm rest is positioned generally in line with the jaws and a staple to be removed. Additionally, the palm rest is positioned so that an operator can comfortably apply a pushing force thereon with one hand, while gripping the pair of handles with the other hand. The palm rest is further positioned so that a pushing force applied thereto, by an operator's hand, is transferred along a substantially straight line toward a staple to be removed.
REFERENCES:
patent: D144955 (1945-06-01), Yerkes
patent: D157999 (1950-04-01), Pankonin
patent: D201731 (1965-07-01), Olney
patent: D202238 (1965-09-01), Kohen et al.
patent: 2033050 (1936-03-01), Pankonin
patent: 2750148 (1956-06-01), Burbank
patent: 3241814 (1966-03-01), Forte
patent: 3293673 (1966-12-01), Olney
patent: 3299449 (1967-01-01), Olney
patent: 4575049 (1986-03-01), Fister
Holmes David A.
Schmidt Frederick R.
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