US PATENT SUBCLASS 400 / 607
.~.~ Including movement of one record-medium relative to another

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}
605  DF  .~ For feeding plural record media concurrently or selectively {4}
607.~.~ Including movement of one record-medium relative to another {7}
607.1  DF  .~.~.~> In lateral direction (e.g., lateral shift of web or sheet carrier)
607.2  DF  .~.~.~> By insertion of additional record-medium
607.3  DF  .~.~.~> With concurrent feed-roller and line-spacing control
608  DF  .~.~.~> With clamp for holding one record-medium stationary {1}
608.2  DF  .~.~.~> By auxiliary feed-roller or platen section (e.g., separate feed of sheets)
608.3  DF  .~.~.~> By retrograde movement of one record-medium
608.4  DF  .~.~.~> Including differential movement by separate drive means

DEFINITION

Classification: 400/607

Including movement of one record-medium relative to another:

(under subclass 605) Subject matter wherein significance is attributed to the movement of a sheet or web of record-medium* with respect to a second sheet or web of record-medium.