B - Operations – Transporting – 41 – J
Patent
B - Operations, Transporting
41
J
197/109
B41J 35/24 (2006.01) B41J 33/16 (2006.01) B41J 33/34 (2006.01) B41J 33/38 (2006.01) B41J 33/54 (2006.01) B41J 35/22 (2006.01)
Patent
CA 1146106
IMPROVED RIBBON FEED AND LIFT MECHANISM FOR A TYPEWRITER Abstract In a daisy wheel or rotary print wheel typewriter, a single motor (stepper motor) is employed to accomplish both ribbon lift and feed for typewriter ribbon and correction ribbon loaded in a cartridge assembly. A single motor drive moves a cartridge assembly support about an axis to present either the typewriter ribbon or the correction ribbon to the print point at the print line. In the first portion of the arc that the cartridge assembly moves, normal typing on the typewriter ribbon occurs, only the feed ratchet for the typewriter ribbon being engaged, Alternatively, when the rotation is greater, to present a correction ribbon at the print line, the added elevation of the cartridge assembly causes disengagement of the normal ratchet feed for the type- writer ribbon but allows advancement of the correction ribbon. LE9-79-023
358592
International Business Machines Corporation
Kerr Alexander
LandOfFree
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