US PATENT SUBCLASS 254 / 283
.~.~.~ Having rotatable, cable guiding, pulley wheel element spaced from 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}
283.~.~.~ Having rotatable, cable guiding, pulley wheel element spaced from drums {2}
284  DF  .~.~.~.~> Element repositionable relative to at least one of the drums {1}
286  DF  .~.~.~.~> Plural elements

DEFINITION

Classification: 254/283

Having rotatable, cable guiding, pulley wheel element spaced from drums:

(under subclass 278) Apparatus including at least one cable-guiding element (e.g., pulley, roller, sprocket) having a generally circular perimeter and rotating about an axis through its center in response to the movement of the cable over its perimeter, the element positioned along the path of travel of the cable and spaced a distance from both of the drums.

(1) Note. The distance between the perimeters of the element and the drums is large enough to allow the cable to pass unimpeded.

(2) Note. See (1) Note and (2) Note of subclass 390.

SEE OR SEARCH THIS CLASS, SUBCLASS:

226, for implements or apparatus for tensioning flexible material or for extracting stumps or poles including a rotatably driven drum and a pulley wheel element spaced therefrom.

390, for pulley wheel elements intended to be used with a hauling or hoisting drum.