B - Operations – Transporting – 41 – J
Patent
B - Operations, Transporting
41
J
197/39
B41J 33/14 (2006.01) B41J 35/14 (2006.01) B41J 35/20 (2006.01) B41J 35/23 (2006.01)
Patent
CA 1187026
RIBBON LIFT AND FEED MECHANISM FOR A TYPEWRITER Abstract of the Disclosure A ribbon lift and feed mechanism for a typewriter/ printer (10) in which the print ribbon cartridge (15) has deflectable arms (16a, 16b) for placing the ribbon (13) in a position confronting the platen (11) of the typewriter (10). On the platform (40), supporting the ribbon cartridge (15), is a shuttle (50) which is remotely oscillated as by a drive motor (90) on the frame (12) of the typewriter (10). Translation of the shuttle (50) and the cam (66) associated with the shuttle (50) effects movement of cam follower (66a) engageable with the cam (66), causing the deflectable arms (16a, 16b) of the cartridge (15) to oscillate between a rest and elevated position to place different portions of the print ribbon (13) intermediate the type element (23) and the platen (11). The shuttle (50) also carries ribbon feed drive means (85) which cause an incremental feed of the ribbon (13) after the ribbon has been struck at multiple elevated positions. More- over, by placing a correction ribbon cartridge (30) be- neath the ribbon cartridge (15), another cam (70) on the shuttle can effect platform (40) elevation when it is desired to dispose the correction ribbon (30) inter- mediate the printing element (23) and the platen (11). This action occurs as a result of the oscillation of the shuttle (50).
408726
International Business Machines Corporation
Kerr Alexander
LandOfFree
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