US PATENT SUBCLASS 81 / 141
.~.~.~ Shank-engaged cam

Current as of: June, 1999
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81 /   HD   TOOLS

52  DF  WRENCH, SCREWDRIVER, OR DRIVER THEREFOR {27}
129  DF  .~ Slidable jaw adjustments {3}
129.5  DF  .~.~ Rack {8}
141.~.~.~ Shank-engaged cam

DEFINITION

Classification: 81/141

A cam engages the shank and draws the rack and the teeth of its cooperating member together.