US PATENT SUBCLASS 400 / 423
.~.~ Including selectively disengageable type-bar action to render action inoperable


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  DF  .~ Type-bar action {12}
423.~.~ Including selectively disengageable type-bar action to render action inoperable


DEFINITION

Classification: 400/423

Including selectively disengageable type-bar action to render action inoperable:

(under subclass 422) Subject matter wherein said mechanism includes links or components normally connected together for enabling the mechanism to effect movement of a type-bar* from its rest position to its print-point* position, and wherein one or more of the links or components may be temporarily disconnected at the will of the typist, whereby the mechanism

is made ineffective.

(1) Note. The purpose of this mechanism is to enable the typist to prevent unauthorized use of the typewriter while the typist is away from the typewriter.