US PATENT SUBCLASS 226 / 15
.~ To position material laterally

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

10  DF  WITH MATERIAL-RESPONSIVE CONTROL MEANS {7}
15.~ To position material laterally {3}
16  DF  .~.~> With control of longitudinal movement
17  DF  .~.~> By roller pair engaging web margin
18  DF  .~.~> By shiftable material support {2}

DEFINITION

Classification: 226/15

(under subclass 10) Device wherein the control means acts to maintain the material in a predetermined longitudinal* path by moving, or preventing movement of, the material in a direction lateral* to the longitudinal* path of travel.

(1) Note. An example of patents placed herein, is one which discloses a roller which is braked to put a sidewise-biasing drag on a web.

SEE OR SEARCH THIS CLASS, SUBCLASS:

3, for an analogous method.

SEE OR SEARCH CLASS

26, Textiles: Cloth Finishing, 51.4+, and 74+ for similar apparatus in a napping or spreading machine.

198, Conveyors: Power-Driven,

810, for condition responsive means for controlling lateral movement of an endless belt conveyor.

242, Winding, Tensioning, or Guiding, particularly

534.1, and 563.1 for lateral material control in a winding or unwinding device.

474, Endless Belt Power Transmission Systems or Components, particularly

102+, for a sensor to control operation of a shifter to correct belt training deviation.