US PATENT SUBCLASS 81 / 90.7
.~.~.~.~ At least three jaws enclose work


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}
90.3  DF  .~.~ Jaws enclose work {2}
90.6  DF  .~.~.~ Including latch to connect pivoted jaws {1}
90.7.~.~.~.~ At least three jaws enclose work {1}
90.8  DF  .~.~.~.~.~> Two jaw pairs connected by latch


DEFINITION

Classification: 81/90.7

At least three jaws enclose work:

(under subclass 90.6) Tool including three or more serially arranged work-gripping elements which form the closed loop.