US PATENT SUBCLASS 81 / 96
.~.~.~.~ Pinion

Current as of: June, 1999
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81 /   HD   TOOLS

52  DF  WRENCH, SCREWDRIVER, OR DRIVER THEREFOR {27}
92  DF  .~ Pivoted inner jaw {2}
94  DF  .~.~ Pin fulcrum {2}
95  DF  .~.~.~ Roller jaw {1}
96.~.~.~.~ Pinion

DEFINITION

Classification: 81/96

The roller or disk-shaped jaw is toothed and travels on a rack on the handle.