US PATENT SUBCLASS 400 / 266
.~.~ Mounted on pivotally movable platen carrier

Current as of: June, 1999
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400 /   HD   TYPEWRITING MACHINES

251  DF  CASE-SHIFT MECHANISM {14}
264  DF  .~ For shifting platen {3}
266.~.~ Mounted on pivotally movable platen carrier {3}
266.1  DF  .~.~.~> With movement of platen out of typing position
266.2  DF  .~.~.~> Including adjustable counterbalance spring
266.3  DF  .~.~.~> Including a yieldable link (e.g., spring, etc.)

DEFINITION

Classification: 400/266

Mounted on pivotally movable platen carrier:

(under subclass 264) Subject matter wherein the platen* is supported by structure that moves the platen in the arc of a circle for case-shift* purposes.

(1) Note. In most typewriters, the platen- carrier or platen-support structure is a carriage*.