Ribbon cartridge and printer drive system for the ribbon

Details Ribbon cartridge and printer drive system for the ribbon Ribbon cartridge and printer drive system for the ribbon

1992-08-10

1993-05-11

Eickholt, Eugene H.

Typewriting machines

Including interposed inking device for record-medium

Endless ribbon or cartridge therefor

400208, 400248, B41J 3200

Patent

active

052095860

ABSTRACT:
The ribbon cartridge includes a storage chamber for the print ribbon, openings through its top and bottom walls adjacent the storage chamber, and a stripper for maintaining the ribbon in the storage chamber likewise adjacent the openings. A ribbon drive mechanism is mounted on the printer deck and includes a drive gear, and an idler gear mounted on a pivoted lever, also pivotally carrying a cam. The lever is pivotable between positions opening and closing the rollers. A stripper actuating member is movable in response to rotation of the cam and displaces the stripper, when the cartridge is disposed on the printer, toward and away from the drive mechanism. The cam also enables opening and closing movement of the rollers to disengage and engage the ribbon, respectively.

REFERENCES:
patent: 3814231 (1974-06-01), Cappotto
patent: 3863749 (1975-02-01), Perry et al.
patent: 4088218 (1978-05-01), Depew
patent: 4153378 (1979-05-01), Scherrer et al.
patent: 4243334 (1981-01-01), Shigemori
patent: 4293234 (1981-10-01), Yonkers et al.
patent: 4383774 (1983-05-01), Yonkers
patent: 4623274 (1986-11-01), Ohsaki
patent: 4817844 (1989-04-01), Chenest
patent: 4852439 (1986-04-01), LaSpesa
patent: 4900170 (1990-02-01), Beck et al.
patent: 5007750 (1991-04-01), Goubeaux
"Stuffed Take-up With Seperator" IBM Technical Disclosure Bulletin, vol. 23, No. 11, Apr. 1981, p. 5004.
"Ribbon Cartridge Drive" IBM Technical Disclosure Bulletin, vol. 20, No. 5, Oct. 1977, p. 1735.

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