Implements or apparatus for applying pushing or pulling force – Thill-coupling jack
Patent
1980-07-31
1981-10-06
Watson, Robert C.
Implements or apparatus for applying pushing or pulling force
Thill-coupling jack
B25C 1100
Patent
active
042931193
ABSTRACT:
A tool for use by one hand for removing staples from upholstered furniture has an upper and a lower pivotably connected and spring biased open needle nose jaws, the lower jaw of which is pivotably connected to a primary handle so that a short arm of the primary handle extending beyond the pivot connecting the primary handle to the lower jaw extends towards the points of the needle nose jaws to act against a short arm of the upper jaw to close the upper jaw against the lower jaw when the lower jaw has been forced under the bridge of a driven staple and the arm pressed down to pry the staple out of the wood in which it has been driven thus clamping the bridge of the staple to the tool during removal. A secondary arm pivotably connected to the primary handle has a short arm extended beyond the pivotable connection which when the handles are squeezed together acts against the lower jaw to close the jaws together against the force of the bias spring in the nature of a needle nose plier for removing single legs of a broken staple.
REFERENCES:
patent: 72655 (1867-12-01), Marden
patent: 813223 (1906-02-01), Loreman
patent: 1134177 (1915-04-01), Bernard
patent: 1193930 (1916-08-01), Schulz
patent: 2733736 (1956-02-01), McLaughlin
patent: 2870988 (1959-01-01), Vazquez
Walter William B.
Watson Robert C.
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