US PATENT SUBCLASS 254 / 330
.~.~.~ Movement engages or disengages drum from drive

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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}
330.~.~.~ Movement engages or disengages drum from drive

DEFINITION

Classification: 254/330

Movement engages or disengages drum from drive:

(under subclass 329) Apparatus wherein the selective shifting of the axis or circumference of the drum from one position to another either engages or disengages the drum from its drive.