Hand held pneumatic wire stripper

Details Hand held pneumatic wire stripper Hand held pneumatic wire stripper

1991-07-19

1992-09-01

Parker, Roscoe V.

Tools

Wire stripper

Having relatively movable clamp and blade

H02G 112

Patent

active

051429497

ABSTRACT:
A piston rod (32) retracts to close gripper jaws (50, 52) and cutting jaws (54, 56) and then to pivot the two pairs of jaws away from each other. The upper jaw (50, 54) of each pair is connected to a corresponding actuating lever (78). The levers (78) are pivotally mounted on a housing and are connected to an end connector (42) on the rod (32) by a flexible chain (94) which engages sprocket wheels (92) carried by the levers (78). Retraction of the rod (32) exerts a pulling force on the levers (78) to pivot the levers (78) toward each other. The pulling force has a component parallel to the actuating axis and a perpendicular component to maintain mechanical advantage.

REFERENCES:
patent: 3176550 (1965-04-01), Marcotte
patent: 3229957 (1965-12-01), Kramer et al.
patent: 3416227 (1968-12-01), McDonald
patent: 3727492 (1973-04-01), Zanni
patent: 3765277 (1973-10-01), Sorensen
patent: 4072069 (1978-02-01), Bieganski

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