US PATENT SUBCLASS 74 / 422-- .~.~ Rack and pinion

US PATENT SUBCLASS 74 / 422
.~.~ Rack and pinion

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

640	DF	GEARING {31}
412 R	DF	.~ Directly cooperating gears {8}
422		.~.~ Rack and pinion

DEFINITION

Classification: 74/422

(under subclass 412) Gearing, the gearing embodying racks and pinions.

SEE OR SEARCH THIS CLASS, SUBCLASS:

27+, for reciprocating carriage motions.

31, through 35, for displaceable elements in rack and pinion gearing.

406, for displaceable gearing.

424.5, for spiral gearing. 842, for rack and pinion mechanisms changing the position of a driven means "on the fly".

SEE OR SEARCH CLASS

254, Implements or Apparatus for Applying Pushing or Pulling Force,

95+, 205, and 230, for rack and pinion drives for the pushing or pulling implements or apparatus.

409, Gear Cutting, Milling, or Planing,

332, for a rack drive for a planer.