US PATENT SUBCLASS 74 / 89.11
.~.~.~ With rack and pinion

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

*  DD  MECHANICAL MOVEMENTS {15}
89  DF  .~ Reciprocating or oscillating to or from alternating rotary {6}
89.1  DF  .~.~ Including inertia device {1}
89.11.~.~.~ With rack and pinion {1}
89.12  DF  .~.~.~.~> Rectilinear rack

DEFINITION

Classification: 74/89.11

Mechanical movement under subclasses 89.1 including a straight or curved member having a series of teeth or recesses to mesh with a gear, such series having determinate effective length.

(1) Note. A gear with minor mutilation taught as being nevertheless continuously usable, without reversal, is not considered to be a rack.