US PATENT SUBCLASS 81 / 380
.~.~.~.~.~.~ Extension coil spring between jaw and handle member

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}
342  DF  .~ Jaw-actuating means (handle-manipulation conversion) {10}
367  DF  .~.~ Including toggle means {7}
377  DF  .~.~.~ With connecting rod between grip lever and handle member {1}
378  DF  .~.~.~.~ With actuated jaw pivoted on handle member {1}
379  DF  .~.~.~.~.~ With means for resiliently biasing jaw and/or toggle {1}
380.~.~.~.~.~.~ Extension coil spring between jaw and handle member

DEFINITION

Classification: 81/380

(under subclass 379) Tools in which the spring comprises a helically wound wire looped or hooked at each end, the spring being extensible under a stretching load applied to the ends, wherein one end is attached to the articulated jaw and the other end is attached to the handle-member.