US PATENT SUBCLASS 254 / 281
.~.~.~.~.~ Element repositionable relative to at least one of the drums

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}
279  DF  .~.~.~ With vehicle for supporting at least one drum {2}
280  DF  .~.~.~.~ Having rotatable, cable guiding, pulley wheel element spaced from drums {1}
281.~.~.~.~.~ Element repositionable relative to at least one of the drums

DEFINITION

Classification: 254/281

Element repositionable relative to at least one of the drums:

(under subclass 280) Apparatus in which the element may undergo a change in its position or attitude in relationship to one of the drums.

SEE OR SEARCH CLASS

212, Traversing Hoists,

255+, and 223+ for a cable-pulling device for both lifting and traversing a load, the device includes a vehicle with a

cable-pulling drum and a repositionable pulley mounted on it.