US PATENT SUBCLASS 254 / 356
.~.~.~ With means for preventing or retarding rotation of drum in at least one direction

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}
342  DF  .~.~ Drive includes intermeshing gears {7}
356.~.~.~ With means for preventing or retarding rotation of drum in at least one direction {1}
357  DF  .~.~.~.~> Ratchet wheel or formation and locking pawl

DEFINITION

Classification: 254/356

With means for preventing or retarding rotation of drum in at least one direction:

(under subclass 342) Apparatus provided with means, (e.g., a shiftable lock, friction brake) for either preventing movement of the drum about its axis in at least one of its directions of rotation or for slowing down the rotational speed of the drum in at least one direction.

SEE OR SEARCH THIS CLASS, SUBCLASS:

222, for implements or apparatus for tensioning flexible material or for extracting stumps or poles including a rotatably driven drum provided with means for preventing or retarding rotation of the drum in at least one direction.