US PATENT SUBCLASS 81 / 92
.~ Pivoted inner jaw

Current as of: June, 1999
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81 /   HD   TOOLS

52  DF  WRENCH, SCREWDRIVER, OR DRIVER THEREFOR {27}
92.~ Pivoted inner jaw {2}
93  DF  .~.~> Nut or screw fulcrum
94  DF  .~.~> Pin fulcrum {2}

DEFINITION

Classification: 81/92

The inner jaw (the one nearest the hand) is pivoted and swings or rocks to grip or engage the work.