US PATENT SUBCLASS 254 / 205
.~.~ Including rack and pinion, or pinion segment, drive

Current as of: June, 1999
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254 /   HD   IMPLEMENTS OR APPARATUS FOR APPLYING PUSHING OR PULLING FORCE

199  DF  PORTABLE IMPLEMENTS OR APPARATUS FOR TENSIONING FLEXIBLE MATERIAL OR FOR EXTRACTING STUMPS OR POLES {12}
200  DF  .~ Material comprises resilient floor covering (e.g., carpet) {8}
205.~.~ Including rack and pinion, or pinion segment, drive

DEFINITION

Classification: 254/205

Including rack and pinion, or pinion segment, drive:

(under subclass 200) Implements or apparatus in which the portion of the implement or apparatus adapted to contact the resilient fabric or structure is moved by driving structure including a bar having a row of teeth or apertures on at least one of its sides and a rotatable circular gear, or a segment thereof, having teeth, or a protrusion acting in the manner of a tooth, which intermesh with the row to shift the bar linearly, the gear or gear segment being in constant engagement with the row while the fabric or resilient structure is being stressed.

SEE OR SEARCH THIS CLASS, SUBCLASS:

6, 12, 95, 230, and 341, for implements or apparatus including a rack and pinion, or pinion segment, drive.