US PATENT SUBCLASS 81 / 36
.~.~ Speeding gear

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  DF  .~ Having U-shaped crank arm {2}
36.~.~ Speeding gear

DEFINITION

Classification: 81/36

Speeding gear:

(under subclass 35) Device including a gear train intermediate the crank arm and the bit, wherein one revolution of the U-crank will produce more than one revolution of the bit.