US PATENT SUBCLASS 254 / 96
.~ Screw pinion

Current as of: June, 1999
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254 /   HD   IMPLEMENTS OR APPARATUS FOR APPLYING PUSHING OR PULLING FORCE

95  DF  RACK AND PINION {2}
96.~ Screw pinion

DEFINITION

Classification: 254/96

Screw pinion:

(under subclass 95) Rack and pinion pushing and pulling implement in which the pinion is of a spiral or screw form.