US PATENT SUBCLASS 409 / 146
.~.~ With compensation for backlash in drive means

Current as of: June, 1999
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409 /   HD   GEAR CUTTING, MILLING, OR PLANING

64  DF  MILLING {29}
145  DF  .~ Including means to infeed work to cutter {10}
146.~.~ With compensation for backlash in drive means

DEFINITION

Classification: 409/146

With compensation for backlash in drive means:

Apparatus under subcalss 145 including means for transmission of force to a workpiece or to a cutting tool wherein a first drive member transmits force and movement to a second drive member, including provision to adjust, eliminate, or make other allowance for any undesired relative movement between the drive members and the workpiece or the cutting tool.

SEE OR SEARCH THIS CLASS, SUBCLASS:

5, for compensation for backlash in the drive means of a gear cutting machine.

SEE OR SEARCH CLASS

74, Machine Element or Mechanism,

409, for means to eliminate backlash in an element of a gear train; and subclasses 440+ for means to eliminate backlash in sectional gears.