US PATENT SUBCLASS 440 / 60
.~.~.~ Rack and pinion

Current as of: June, 1999
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440 /   HD   MARINE PROPULSION

49  DF  SCREW PROPELLER {12}
53  DF  .~ With means effecting or facilitating movement of propulsion unit or a segment of the propulsion unit (e.g., tilting or steering) {9}
58  DF  .~.~ Having toothed or threaded member to move propulsion unit or a segment of the propulsion unit {2}
60.~.~.~ Rack and pinion

DEFINITION

Classification: 440/60

Rack and pinion:

(under subclass 58) Device wherein the toothed member consists of a bar with teeth on one of its sides adapted to engage a gear wheel with a small number of teeth to translate circular motion to linear motion or vice versa.