US PATENT SUBCLASS 254 / 343
.~.~.~ Worm and worm wheel


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}
343.~.~.~ Worm and worm wheel


DEFINITION

Classification: 254/343

Worm and worm wheel:

(under subclass 342) Apparatus wherein one of the gears is a worm gear and another one is a worm wheel gear.

SEE OR SEARCH THIS CLASS, SUBCLASS:

220, for implements or apparatus for tensioning flexible material or for extracting stumps or poles including a rotatably driven drum provided with intermeshing gears of the worm and worm wheel type.