US PATENT SUBCLASS 254 / 331
.~.~.~ Movement occurs along line collinear with rotational axis of drum during pulling of cable

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}
329  DF  .~.~ With means affixing drum to supporting base and allowing relative movement therebetween {3}
331.~.~.~ Movement occurs along line collinear with rotational axis of drum during pulling of cable

DEFINITION

Classification: 254/331

Movement occurs along line collinear with rotational axis of drum during pulling of cable:

(under subclass 329) Apparatus wherein the circumference of the drum shifts along a line which is collinear with its rotational axis, the cable being pulled by the drum during this movement.