US PATENT SUBCLASS 400 / 215
.~.~ By ribbon vibrator

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.~.~ By ribbon vibrator {5}
215.1  DF  .~.~.~> Including vibrator shiftable during use of nonfeed character key (e.g., for typing accent mark, etc.)
215.2  DF  .~.~.~> With retardation of vibrator return after type-face impact (e.g., with dashpot)
215.3  DF  .~.~.~> With elevation and holding of vibrator above print-point (e.g., to facilitate ribbon insertion)
215.4  DF  .~.~.~> With inactivation of vibrator (e.g., for cutting a stencil)
216  DF  .~.~.~> Including variable throw of vibrator {1}

DEFINITION

Classification: 400/215

By ribbon vibrator:

(under subclass 211) Subject matter wherein at least a portion of an elongated ribbon* is constrained for movement within a vibrator* and wherein the vibrator moves the constrained portion transversely to the elongated dimension of the ribbon.

SEE OR SEARCH THIS CLASS, SUBCLASS:

213.1, for a ribbon vibrator producing a particular path on the ribbon.