US PATENT SUBCLASS 81 / 37
.~.~ Bit shaft inclined relative to crank

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}
37.~.~ Bit shaft inclined relative to crank

DEFINITION

Classification: 81/37

Bit shaft inclined relative to crank:

(under subclass 35) Device wherein the bit is out of alignment with the driving elements axis or rotation.