US PATENT SUBCLASS 400 / 235
.~.~ Drive applied by means directly engaging ribbon in advance of takeup

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

191  DF  INCLUDING INTERPOSED INKING DEVICE (E.G., RIBBON) FOR RECORD-MEDIUM {15}
223  DF  .~ Ribbon-feeding mechanism {13}
235.~.~ Drive applied by means directly engaging ribbon in advance of takeup {1}
235.1  DF  .~.~.~> Drive applied by pinch-roller couple

DEFINITION

Classification: 400/235

Drive applied by means directly engaging ribbon in advance of takeup:

(under subclass 223) Subject matter wherein the ribbon* is accumulated at a location on the typewriter after the ribbon has moved past the print-point*, and wherein the ribbon is moved in the direction parallel to its longitudinal extent by a motion-transmitting mechanism which contacts the ribbon at a place on the typewriter between the print-point and the accumulated location of the ribbon.