Reversible ribbon cartridge

Details Reversible ribbon cartridge Reversible ribbon cartridge

1984-03-30

1986-02-04

Pieprz, William

Typewriting machines

Including interposed inking device for record-medium

Ribbon-feeding mechanism

400208, B41J 3200, B41J 3326, B41J 3351

Patent

active

045682100

ABSTRACT:
A reversible typing ribbon cartridge has two pairs of pinch roll pairs for moving the ribbon in the direct and inverted positions respectively. When the cartridge is off the typing machine both pinch pairs are engaged with the ribbon, but as the cartridge is installed, a rod penetrates into the cartridge and disengages the pinch pair in the following position while drives engage the ribbon spool and the pinch pair in the leading position.

REFERENCES:
patent: 2209178 (1940-07-01), Taesler
patent: 2986260 (1961-05-01), Whippo
patent: 2989261 (1961-06-01), Gillette et al.
patent: 3349887 (1967-10-01), Goff, Jr.
patent: 4264223 (1981-04-01), Bemis et al.
Garwin, "Improved Capacity Typewriter Ribbon", IBM Technical Disclosure Bulletin, vol. 22, No. 8A, p. 3469, 1/80.

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