US PATENT SUBCLASS 254 / 342
.~.~ Drive includes intermeshing gears

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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.~.~ Drive includes intermeshing gears {7}
343  DF  .~.~.~> Worm and worm wheel
344  DF  .~.~.~> Epicyclic gear arrangement including sun, intermediate (e.g., planet), and ring gears
345  DF  .~.~.~> Shiftable into and out of intermeshing engagement
346  DF  .~.~.~> Drive also includes clutch mechanism having coaxial, rotatable relatively shiftable axially, power transmitting components {4}
352  DF  .~.~.~> Drive also includes ratchet wheel and driving pawl {1}
355  DF  .~.~.~> Drive also includes clutch mechanism having rotatable, radially shiftable, power transmitting component
356  DF  .~.~.~> With means for preventing or retarding rotation of drum in at least one direction {1}

DEFINITION

Classification: 254/342

Drive includes intermeshing gears:

(under subclass 266) Apparatus wherein the drive for the drum includes two or more gears each having teeth formed on their circumference, the teeth of each gear engaging with those of at least one other gear and moving relative thereto when transmitting power from a drive source to the drum.

SEE OR SEARCH THIS CLASS, SUBCLASS:

219, for implements or apparatus for tensioning flexible material or for extracting stumps or poles including a rotatably driven drum provided with a drive having two or more intermeshing gears.