US PATENT SUBCLASS 400 / 216.1
.~.~.~.~ For diverse-field (e.g., plural-color) ribbon

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}
211  DF  .~ Including mechanism for shifting ribbon laterally at print-point {5}
215  DF  .~.~ By ribbon vibrator {5}
216  DF  .~.~.~ Including variable throw of vibrator {1}
216.1.~.~.~.~ For diverse-field (e.g., plural-color) ribbon {5}
216.2  DF  .~.~.~.~.~> With typewriter-controlled change of field
216.3  DF  .~.~.~.~.~> By movement parallel to print-line
216.4  DF  .~.~.~.~.~> Vibrator throw controlled via alternate pins selectively inserted in slots
216.5  DF  .~.~.~.~.~> Field selection by selectively positioned stop faces to limit vibrator movement
216.6  DF  .~.~.~.~.~> To compensate for case-shift

DEFINITION

Classification: 400/216.1

For diverse-field (e.g., plural-color) ribbon:

(under subclass 216) Subject matter wherein the ribbon* has zones with different characteristics, each zone having dimensions that correspond to the length and to at least part of the width of the ribbon, and the change in the extent of

the transverse vibrator* movement is for changing the ribbon zone which is over the print-point* to receive the type-face* impact.