US PATENT SUBCLASS 493 / 443
.~.~.~.~ Roller passive reaction member

Current as of: June, 1999
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493 /   HD   MANUFACTURING CONTAINER OR TUBE FROM PAPER; OR OTHER MANUFACTURING FROM A SHEET OR WEB

395  DF  BENDING {6}
405  DF  .~ Folding {13}
416  DF  .~.~ With means to advance work or product {8}
442  DF  .~.~.~ Folding by roller {1}
443.~.~.~.~ Roller passive reaction member {1}
444  DF  .~.~.~.~.~> With reciprocatory folding knife {1}

DEFINITION

Classification: 493/443

Roller passive reaction member:

(under subclass 442) Method or apparatus wherein the member turns about an axis that does not advance over the surface of the workpiece during operation and is not driven to rotate by means other than the work surface movement during operation.