US PATENT SUBCLASS 226 / 31
.~.~.~.~.~.~ By ancillary power source

Current as of: June, 1999
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226 /   HD   ADVANCING MATERIAL OF INDETERMINATE LENGTH

10  DF  WITH MATERIAL-RESPONSIVE CONTROL MEANS {7}
24  DF  .~ To regulate longitudinal movement of material {10}
27  DF  .~.~ Registration {3}
28  DF  .~.~.~ Of continuously moving material {1}
29  DF  .~.~.~.~ By means to vary speed of material momentarily {1}
30  DF  .~.~.~.~.~ By means to vary speed of feed roll {1}
31.~.~.~.~.~.~ By ancillary power source

DEFINITION

Classification: 226/31

(under subclass 30) Device wherein the change in the rate of rotation of the feedroll* is effected by an auxiliary motive means for the feedroll.

(1) Note. Exemplary patents herein are to a device with a feedroll driven by a main power source through differential gearing. The ancillary power source rotates normally

stationary gear(s) momentarily to speed up or slow down the feedroll.