US PATENT SUBCLASS 254 / 230
.~ Includng 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}
230.~ Includng rack and pinion, or pinion segment, drive

DEFINITION

Classification: 254/230

Including rack and pinion or pinion segment, drive:

(under subclass 199) Implements or apparatus wherein the portion of the implement or apparatus adapted to contact the flexible member or article 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 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 member is stressed or the article is dislodged.

SEE OR SEARCH THIS CLASS, SUBCLASS:

6, 12, 95, 205, and 341, for implements or apparatus including a rack and pinion, or pinion segment, drive.