Pneumatic scissors

Details Pneumatic scissors Pneumatic scissors

1991-09-11

1992-12-22

Watts, Douglas D.

Cutlery

Cutting tools

Plural cooperating blades

30210, B26B 1500

Patent

active

051724790

ABSTRACT:
A scissors action cutter is pneumatically actuated, by a pneumatic actuator that continuously effects reciprocation of a shaft as long as an actuating lever is depressed. The reciprocal shaft is in abutting engagement with, or connected to, an actuating extension of a movable scissors blade pivotal about an axis. The movable blade cooperates with a stationary substantially planar blade, which has a free end. The movable blade thickness is significantly greater than the stationary blade thickness, so that the movable blade does not deflect out of plane, and the stationary blade is deflected out of plane at its free end, biased toward a plane of movement of the movable blade. The blades are mounted on an elongated small diameter, lightweight, cylindrical casing dimensioned to be easily held in a human hand, and the pneumatic actuator is disposed within the casing. A lever operated valve is actuated by the user's hand, exteriorly of the casing, to effect cutting.

REFERENCES:
patent: 4949461 (1990-08-01), van der Merwe et al.

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