US PATENT SUBCLASS 254 / 341
.~.~ Drive includes rack and either pinion or pinion segment

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

264  DF  APPARATUS FOR HAULING OR HOISTING LOAD, INCLUDING DRIVEN DEVICE WHICH CONTACTS AND PULLS ON CABLE {4}
266  DF  .~ Device includes rotatably driven, cable contacting drum {34}
341.~.~ Drive includes rack and either pinion or pinion segment

DEFINITION

Classification: 254/341

Drive includes rack and either pinion or pinion segment:

(under subclass 266) Apparatus wherein the drive for the drum includes 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 protrusions acting in the manner of teeth which intermesh with the row, the gear or gear segment being in constant engagement with the row while the drum is pulling the cable.

SEE OR SEARCH THIS CLASS, SUBCLASS:

6, 12, 95, 205, and 230, for implements or apparatus including a rack and pinion, or pinion segment, drive.