US PATENT SUBCLASS 400 / 306
.~.~ Proportional to variable widths of imprinted characters

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


400 /   HD   TYPEWRITING MACHINES

283  DF  CARRIAGE OR CARRIAGE-MOVING OR MOVEMENT-REGULATING MECHANISM {11}
303  DF  .~ For varying carriage feed {3}
306.~.~ Proportional to variable widths of imprinted characters {4}
306.1  DF  .~.~.~> By settable elements (e.g., pins, bars, slides)
306.2  DF  .~.~.~> By ratchet-wheel and controlled pawl {1}
307  DF  .~.~.~> By ratchet rack and controlled pawl {1}
307.2  DF  .~.~.~> By cooperating toothed members (e.g., gear, segment, rack, etc.)

DEFINITION

Classification: 400/306

Proportional to variable widths of imprinted characters:

(under subclass 303) Subject matter wherein the irregular or unequal increments of movement of the carriage* correspond to the various widths of the character* symbols that are imprinted on the record-medium*.

(1) Note. In the definition of the term character-space* in the Glossary, section III, there is a discussion of the reason for variable carriage feed. Briefly, in this mode of operation the carriage is moved along the print-line* to the extent that a particular character extends along the print-line. Therefore the distances between adjacent characters are more nearly equal one to another, and the resulting text appears uniform and gives a pleasing appearance.