US PATENT SUBCLASS 242 / 483.1
.~.~.~.~.~ Threaded cams with split nut cam followers

Current as of: June, 1999
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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}
483.1.~.~.~.~.~ Threaded cams with split nut cam followers {1}
483.2  DF  .~.~.~.~.~.~> Having electrical switching device

DEFINITION

Classification: 242/483.1

Threaded cams with split nut cam followers:

(under subclass 482.9) Subject matter including an additional groove and an additional follower, each follower having a thread mateable with one of the grooves and operating the material guide, the threads and followers being constructed and driven so that one follower moves the guide in one direction when drivingly engaging one of the grooves of the rotary member and the other follower moves the guide in the opposite direction when drivingly engaging the other groove of the rotary member, the followers being alternately engaged with the respective grooves in operation.

SEE OR SEARCH THIS CLASS, SUBCLASS:

483.5, for a traverse mechanism including a cam having two threads of opposite pitch on it for alternately moving a guide in opposite directions.