Implements or apparatus for applying pushing or pulling force – Thill-coupling jack
Patent
1994-09-21
1996-05-07
Watson, Robert C.
Implements or apparatus for applying pushing or pulling force
Thill-coupling jack
B25C 1100
Patent
active
055138330
ABSTRACT:
A device for removing a U-shaped staple pin of the type having opposing arms driven into a surface that includes, in part, a grip portion and a lower and upper jaw pivotally mounted within said grip portion. The lower and upper jaw each include a base portion and integrally formed sides. The lower jaw cooperates with the upper jaw for movably engaging and upwardly displacing the driven staple pin from the surface. A rigid tongue member is affixed to the base and between the sides of the lower jaw. The rigid member forcibly bends the displaced staple pin substantially in half as the lower and upper jaws move the displaced staple pin into contact with the rigid member. Such forcible bending of the staple pin further causes the arms of the pin to rotate outwardly and uniformly disengage from the surface. A resilient member mounted on the base and between the sides of the upper jaw ejects the disengaged staple pin from the staple remover.
REFERENCES:
patent: 3630486 (1971-12-01), Foitle
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