US PATENT SUBCLASS 400 / 600.3
.~.~.~.~ And sheet feed by additional feed-roller couple

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}
595  DF  .~ Including insertion of sheet from front of platen (e.g., for "condensed billing", via sheet guide, etc.) {9}
600  DF  .~.~ Via feed throat having gate (e.g., actuated by power, etc.) {2}
600.2  DF  .~.~.~ With feed-roller repositioned for sheet insertion {2}
600.3.~.~.~.~ And sheet feed by additional feed-roller couple

DEFINITION

Classification: 400/600.3

And sheet feed by additional feed-roller couple:

(under subclass 600.2) Subject matter wherein feed movement of a record-medium* sheet is assisted by a feed-roller*, cooperating with another feed roller, the two cooperating feed-rollers forming a roller couple that is added to the feed-roller of subclass 600.2.