US PATENT SUBCLASS 74 / 409
.~ Backlash take-up

Current as of: June, 1999
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74 /   HD   MACHINE ELEMENT OR MECHANISM

640  DF  GEARING {31}
409.~ Backlash take-up

DEFINITION

Classification: 74/409

(under subclass 640) Gear trains provided with means to eliminate backlash in some element of the combination.

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440+, for backlash takeup for sectional rotary bodies used in gearing.

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409, Gear Cutting, Milling, or Planing,

146, for a device for removing backlash or wear from a screw feeding mechanism in a gear cutting machine.