US PATENT SUBCLASS 81 / 396
.~.~.~ Worm and rack type

Current as of: June, 1999
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81 /   HD   TOOLS

300  DF  TOOL JAW(S) POSITIONED BY RELATIVELY MOVABLE PLURAL HANDLES (E.G., PLIERS) {15}
385  DF  .~ Adjustable relationship between jaw(s) and/or handle(s) {6}
395  DF  .~.~ By threaded adjustment means {5}
396.~.~.~ Worm and rack type

DEFINITION

Classification: 81/396

(under subclass 395) Tools including a helical externally threaded member interdigitated with a complementary notched bar whereby manipulation of said member effects jaw adjustment.