US PATENT SUBCLASS 254 / 335
.~.~.~ Element repositionable relative to drum

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}
334  DF  .~.~ Having rotatable, cable guiding, pulley wheel element spaced from drum {2}
335.~.~.~ Element repositionable relative to drum {1}
336  DF  .~.~.~.~> Plural elements {1}

DEFINITION

Classification: 254/335

Element repositionable relative to drum:

(under subclass 334) Apparatus in which the element may undergo a change in its position or attitude in relationship to the drum.