US PATENT SUBCLASS 81 / 399
.~.~.~ Rotatable screw in nut

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}
399.~.~.~ Rotatable screw in nut {2}
400  DF  .~.~.~.~> Screw attached to joint
401  DF  .~.~.~.~> Nut attached to joint

DEFINITION

Classification: 81/399

(under subclass 395) Tools in which the manipulated element is externally threaded and is rotated to effect axial movement relative to its mating element.