US PATENT SUBCLASS 226 / 18
.~.~ By shiftable material support

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  DF  .~ To position material laterally {3}
18.~.~ By shiftable material support {2}
19  DF  .~.~.~> Laterally movable support {1}
21  DF  .~.~.~> Pivotally mounted roller {2}

DEFINITION

Classification: 226/18

(under subclass 15) Device wherein the control means comprises a machine part which at least partially underlies and is in contact with the material; and is movable with respect to the longitudinal* direction of travel of the material.

(1) Note. An example of patents placed herein is a patent disclosing an oscillatory material-supporting bar which is moved angularly in response to the detection means whereby a sidewise bias on the material effects the necessary correction.