US PATENT SUBCLASS 400 / 511.4
.~.~.~.~.~ By driving carbon paper roll directly from platen (e.g., by endless band)

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

497  DF  WITH CONTROL OF "CARBON PAPER" FOR TYPING PLURAL SIMULTANEOUS COPIES BY SINGLE IMPRESSION (E.G., ON "MANIFOLD SET") {10}
508  DF  .~ Including spool or support for roll of carbon paper {4}
511  DF  .~.~ Feed mechanism for feed from roll of carbon paper {2}
511.2  DF  .~.~.~ With retraction of carbon paper for reuse thereof (e.g., by slidable carrier) {1}
511.3  DF  .~.~.~.~ Carbon paper rewound for retraction {1}
511.4.~.~.~.~.~ By driving carbon paper roll directly from platen (e.g., by endless band)

DEFINITION

Classification: 400/511.4

By driving carbon paper roll directly from platen (e.g., by endless band):

(under subclass 511.3) Subject matter wherein the force required to coil said carbon paper is taken from the platen* which is rotated during operation of the typewriter.