US PATENT SUBCLASS 81 / 90.1
.~ Plural pivoted jaws and handle-lever

Current as of: June, 1999
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81 /   HD   TOOLS

52  DF  WRENCH, SCREWDRIVER, OR DRIVER THEREFOR {27}
90.1.~ Plural pivoted jaws and handle-lever {6}
90.2  DF  .~.~> Cam or gear operated
90.3  DF  .~.~> Jaws enclose work {2}
90.9  DF  .~.~> Including means to adjust or to secure jaw in adjusted position
91.1  DF  .~.~> Slidable pivot
91.2  DF  .~.~> First jaw pivoted directly to handle and to second jaw
91.3  DF  .~.~> Two jaws pivoted directly to intermediate member

DEFINITION

Classification: 81/90.1

Plural pivoted jaws and handle-lever:

(under subclass 53) Wrench including a plurality of discrete work-gripping elements which are swingable connected to a rigid elongated hand engageable portion, wherein the elements are caused to grip the work by a levering action through the hand engageable portion.