US PATENT SUBCLASS 33 / 675
.~.~.~.~ Rack and pinion operating workpiece-contacting means

Current as of: June, 1999
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33 /   HD   GEOMETRICAL INSTRUMENTS

501  DF  GAUGE {61}
666  DF  .~ With point marker {7}
670  DF  .~.~ Having marker centering means {4}
673  DF  .~.~.~ Having adjustable workpiece-contacting centering means {2}
675.~.~.~.~ Rack and pinion operating workpiece-contacting means

DEFINITION

Classification: 33/675

Rack and pinion operating workpiece-contacting means:

(under subclass 673) Subject matter wherein the centering contact members include a rack and gear means meshing with each other to move the members toward and away from each other to center the guide and the marker at the center of the object.

(1) Note. The racks need not be in a straight line.