US PATENT SUBCLASS 400 / 235.1
.~.~.~ Drive applied by pinch-roller couple

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  DF  .~.~ Drive applied by means directly engaging ribbon in advance of takeup {1}
235.1.~.~.~ Drive applied by pinch-roller couple

DEFINITION

Classification: 400/235.1

Drive applied by pinch-roller couple:

(under subclass 235) Subject matter wherein the motion-transmitting mechanism includes a pair of rotatable cylindrical members positioned with respect to each other, and to the ribbon*, in a manner such that one member engages one surface of the ribbon, and the other member engages the opposite surface of the ribbon, whereby rotation of the members in opposite rotational directions moves the ribbon toward the location wherein the ribbon is accumulated.