US PATENT SUBCLASS 400 / 547.4
.~.~.~.~.~ Via gear drive


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

545  DF  FOR LINE-SPACING BY INCREMENTAL ROTATION OF PLATEN {15}
546  DF  .~ To facilitate condensed billing (i.e., by determining a desired limit or amount of retrograde or advance platen movement) {2}
547  DF  .~.~ Including stop structure (e.g, traveling stop, etc.) {1}
547.1  DF  .~.~.~ For arresting platen at limit of both retrograde and advance movement {2}
547.3  DF  .~.~.~.~ By lever or push-rod drive for platen {2}
547.4.~.~.~.~.~ Via gear drive {2}
547.5  DF  .~.~.~.~.~.~> Including lever on axis transverse to platen axis
547.6  DF  .~.~.~.~.~.~> Including relatively adjustable coaxial gear segments


DEFINITION

Classification: 400/547.4

Via gear drive:

(under subclass 547.3) Subject matter wherein the movable arm is connected to the platen* by way of intermeshed coacting rotatable toothed members.