US PATENT SUBCLASS 400 / 215.4
.~.~.~ With inactivation of vibrator (e.g., for cutting a stencil)

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}
215.4.~.~.~ With inactivation of vibrator (e.g., for cutting a stencil)

DEFINITION

Classification: 400/215.4

With inactivation of vibrator (e.g., for cutting a stencil):

(under subclass 215) Subject matter wherein provision is made for selectively controlling the movement of the vibrator* in a manner such that the typist may choose to not have the vibrator move transversely so that the ribbon* will not cover the print-point* during typing.