US PATENT SUBCLASS 254 / 288
.~.~.~ With means affixing at least one drum to supporting base and allowing movement between drum and base

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}
278  DF  .~.~ Plural drums or drum with plural distinct sections {7}
288.~.~.~ With means affixing at least one drum to supporting base and allowing movement between drum and base {1}
289  DF  .~.~.~.~> Movement engages or disengages drum from drive

DEFINITION

Classification: 254/288

With means affixing at least one drum to supporting base and allowing movement between drum and base:

(under subclass 278) Apparatus in which one or more of the drums are joined to a supporting base by means which allows the rotational axis or circumference of the drums to shift, or change their orientation, relative to the juncture of the base and the means.