US PATENT SUBCLASS 254 / 309
.~.~.~.~.~ Also including clutch mechanism having rotatable, radially shiftable, power transmitting component

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}
294  DF  .~.~.~ Having common drive source or mechanically interlinked drive trains {10}
295  DF  .~.~.~.~ Including intermeshing gears in drive {7}
309.~.~.~.~.~ Also including clutch mechanism having rotatable, radially shiftable, power transmitting component

DEFINITION

Classification: 254/309

Also including clutch mechanism having rotatable, radially shiftable, power transmitting component:

(under subclass 295) Apparatus wherein the interlinked drive trains also include a clutch mechanism having a component which is rotated about an axis by the power source, the component being shiftable radially away from or toward the axis of rotation into driving contact with another component of the clutch mechanism causing this component to transmit power to at least one of the drums.

SEE OR SEARCH CLASS

192, Clutches and Power-Stop Control,

71, 81 for a clutch having movable engaging elements which shifts transversely, (i.e., radially) to the axis of rotation of the elements.