US PATENT SUBCLASS 470 / 172
.~.~.~.~ Rack and pinion

Current as of: June, 1999
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470 /   HD   THREADED, HEADED FASTENER, OR WASHER MAKING: PROCESS AND APPARATUS

164  DF  MATERIAL SUPPLY FEEDER OR DISTRIBUTOR {7}
168  DF  .~ Nail plate feeder {4}
170  DF  .~.~ Having reverser {1}
171  DF  .~.~.~ And gear {2}
172.~.~.~.~ Rack and pinion

DEFINITION

Classification: 470/172

Rack and pinion:

(under subclass 171) Subject matter wherein the means comprises a toothed wheel engageable and cooperating with a reciprocating rack.