US PATENT SUBCLASS 400 / 399.1
.~.~.~ By key-lever rolling on fulcrum

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}
399  DF  .~.~ By rolling contact between links {1}
399.1.~.~.~ By key-lever rolling on fulcrum

DEFINITION

Classification: 400/399.1

By key lever rolling on fulcrum:

(under subclass 399) Subject matter wherein the lever or link that pivots with respect to its associated lever or link is a key* lever.

(1) Note. The term "key lever" is defined in the definition of subclass 472.

(2) Note. Included herein are mechanisms in which a key lever rolls on a frame or a fulcrum plate or a sublever, or in which a sublever is pivoted on a key lever.