Textiles: fiber preparation
Patent
1973-12-21
1976-01-06
Crowder, Clifford D.
Textiles: fiber preparation
197 53, 197 71, B41J 2304, B41J 154, B41J 2524
Patent
active
039305694
ABSTRACT:
A power driven typewriter comprising a shiftable carrier supporting a rotatable and axially movable flexible type drum having a plurality of circumferentially extending rows of type characters thereon. Type keys, when depressed, each condition one each of two groups of actuators and cause operation of a power driven cyclically operable clutch which drives a power bail to operate the two conditioned actuators, one of which is effective to rotate the type drum from any position it may be in to a new position and the other actuator being effective to raise or lower the type drum from any position it may be in to a new position to thus align a type character corresponding to the key depressed at the printing position. Upon alignment of a selected type character, the type drum is flexed radially to cause an imprint. Means are provided to dampen torsional oscillation, wobble, etc. of the drum prior to imprinting.
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patent: 3405794 (1968-10-01), Means
patent: 3640369 (1972-02-01), Rolph
Crowder Clifford D.
O'Reilly Thomas
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