US PATENT SUBCLASS 400 / 650
.~.~ Cylindrical platen adjustable to facilitate compactness

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

648  DF  PLATEN OR PLATEN-MOVING MECHANISM {5}
649  DF  .~ For movement of platen other than for line-spacing {4}
650.~.~ Cylindrical platen adjustable to facilitate compactness

DEFINITION

Classification: 400/650

Cylindrical platen adjustable to facilitate compactness:

(under subclass 649) Subject matter wherein a platen* has extreme ends, one of which ends is movable relative to the other.

(1) Note. The purpose of this adjustment is to enable a platen to be extended or compressed in length, or to enable the turning knob of a platen to be moved along the axis of the platen.