US PATENT SUBCLASS 81 / 35
.~ Having U-shaped crank arm

Current as of: June, 1999
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81 /   HD   TOOLS

28  DF  BIT STOCK HAVING MANUAL DRIVE MEANS (E.G.,BRACE) {3}
35.~ Having U-shaped crank arm {2}
36  DF  .~.~> Speeding gear
37  DF  .~.~> Bit shaft inclined relative to crank

DEFINITION

Classification: 81/35

Having U-shaped crank arm:

(under subclass 28) Device wherein the driving element includes a portion which is offset from the member forming a "U" shaped crank arm.