US PATENT SUBCLASS 400 / 547.5
.~.~.~.~.~.~ Including lever on axis transverse to platen axis


Current as of: June, 1999
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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  DF  .~.~.~.~.~ Via gear drive {2}
547.5.~.~.~.~.~.~ Including lever on axis transverse to platen axis


DEFINITION

Classification: 400/547.5

Including lever on axis transverse to platen axis:

(under subclass 547.4) Subject matter wherein the platen* rotates about a first axis that extends lengthwise thereof, and wherein said movable arm oscillates about a second axis that extends at right angles to said first axis.