US PATENT SUBCLASS 400 / 422
.~ Type-bar action

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

383  DF  TYPE-BAR-ACTION MECHANISM OR TYPE-FACE ON TYPE-BAR OR TYPE-FACE INKER {19}
422.~ Type-bar action {12}
423  DF  .~.~> Including selectively disengageable type-bar action to render action inoperable
424  DF  .~.~> With type-face pivoted on type-bar for rolling contact with platen
425  DF  .~.~> Including jam-release means
426  DF  .~.~> Including type-bar return before release of key lever
427  DF  .~.~> Including yieldable link in type-bar action
428  DF  .~.~> Including means to limit type-bar movement
429  DF  .~.~> Type-bar pushed or pulled by hooklike cam
430  DF  .~.~> Type-bar pulled to print-point {3}
431  DF  .~.~> Type-bar moved to print-point by gear drive
432  DF  .~.~> Type-bar moved to print-point by cam means
433  DF  .~.~> Type-bar moved to print-point by toggle-linkage
434  DF  .~.~> Including connecting link or joint {3}

DEFINITION

Classification: 400/422

Type-bar action:

(under subclass 383) Subject matter wherein significance is attributed to mechanism for effecting the movement of a type-bar* from its rest (i.e., normal or base) position to its print-point* (i.e., type-face* impacting) position.