US PATENT SUBCLASS 81 / 150
.~.~ Shank grip

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}
150.~.~ Shank grip {4}
151  DF  .~.~.~> Side jaw
152  DF  .~.~.~> Clutch yoke
153  DF  .~.~.~> Roller clutch
154  DF  .~.~.~> Locking incline

DEFINITION

Classification: 81/150

The traveling jaw is locked to the shank by a gripping or clamping action.