US PATENT SUBCLASS 400 / 258
.~ Power-operated mechanism (e.g., for locking shift key)

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

251  DF  CASE-SHIFT MECHANISM {14}
258.~ Power-operated mechanism (e.g., for locking shift key) {2}
259  DF  .~.~> For shifting platen
260  DF  .~.~> For shifting type-bar-segment

DEFINITION

Classification: 400/258

Power-operated mechanism (e.g., for locking shift key):

(under subclass 251) Subject matter wherein the case-shift* mechanism is actuated with the help of force generated by or derived from a source other than the typist.

(1) Note. This subclass provides for power applied for a miscellaneous function* in the case-shift mechanism of the typewriter, including some disclosures of a solenoid used for locking the shift-key element of the key-board.