US PATENT SUBCLASS 242 / 483.4
.~.~.~.~.~.~ Alternately engageable drives (e.g., alternately operated clutches)

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

Internet Version by PATENTEC © 1999      Terms of Use


242 /   HD   WINDING, TENSIONING, OR GUIDING

470  DF  HELICAL OR RANDOM WINDING OF MATERIAL {17}
476.7  DF  .~ Distributing material along the package {24}
482.4  DF  .~.~ Guide driven by cam and follower {3}
482.8  DF  .~.~.~ Rotary cam and linearly shifted follower {2}
482.9  DF  .~.~.~.~ Threaded cam {4}
483.3  DF  .~.~.~.~.~ Having reversible cam drive {1}
483.4.~.~.~.~.~.~ Alternately engageable drives (e.g., alternately operated clutches)

DEFINITION

Classification: 242/483.4

Alternately engageable drives (e.g., alternately operated clutches):

(under subclass 483.3) Subject matter including a drive system for the rotary member in which power is transmitted alternately through each of two different paths to the rotary member, the activation of a different path corresponding to a reversal of the direction of movement of the guide.