US PATENT SUBCLASS 81 / 90.2
.~.~ Cam or gear operated

Current as of: June, 1999
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81 /   HD   TOOLS

52  DF  WRENCH, SCREWDRIVER, OR DRIVER THEREFOR {27}
90.1  DF  .~ Plural pivoted jaws and handle-lever {6}
90.2.~.~ Cam or gear operated

DEFINITION

Classification: 81/90.2

Cam or gear operated:

(under subclass 90.1) Wrench wherein the handle-lever moves a jaw through intermediate structure which comprises either (1) and interdigitated surface to transmit motion from the handle-lever to the jaw, or (2) a eccentric surface or pin carried by the handle-lever or by a member caused to pivot by the handle-lever and which bears against a jaw carrying member.