US PATENT SUBCLASS 400 / 406
.~.~ By pin and slot connection

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}
398  DF  .~ With accelerated (e.g., motion amplifying)type-bar action {9}
406.~.~ By pin and slot connection

DEFINITION

Classification: 400/406

By pin and slot connection:

(under subclass 398) Subject matter wherein the mechanism includes a lever or link having a narrow, elongated aperture therein associated with a lever or link having a short rod extending through the aperture, the aperture and rod providing the means for shifting the fulcrum.