US PATENT SUBCLASS 400 / 443
.~.~ Ring support

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}
441  DF  .~ Type-bar pivot support {10}
443.~.~ Ring support

DEFINITION

Classification: 400/443

Ring support:

(under subclass 441) Subject matter wherein each type-bar* member is mounted for oscillation in a pivot support that has a circular or annular configuration.

(1) Note. Usually this form of support (i.e., ring support) is used in a top-strike typewriter or a bottom-strike typewriter.