US PATENT SUBCLASS 400 / 641
.~.~.~ Feed-roller structure or brake or spacer therefor

Current as of: June, 1999
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400 /   HD   TYPEWRITING MACHINES

578  DF  SHEET OR WEB (E.G., RECORD-MEDIUM FEEDING MECHANISM) {13}
634  DF  .~ Including friction-feed means (e.g., band) {2}
636  DF  .~.~ By roller couple (e.g., rotatable pinch rollers, etc.) {8}
641.~.~.~ Feed-roller structure or brake or spacer therefor

DEFINITION

Classification: 400/641

Feed-roller structure or brake or spacer therefor:

(under subclass 636) Subject matter wherein significance is attributed to the construction of a feed-roller*, or wherein the feed-roller includes means to retard its rotational movement or includes means to connect the feed-roller with a drive means for the feed-roller, or wherein significance is attributed to a feed-roller construction including a plurality of such feed-rollers on a single axis and means for separating one feed-roller from other feed-rollers along said axis.