Printing apparatus with multiple ribbon cassettes

Details Printing apparatus with multiple ribbon cassettes Printing apparatus with multiple ribbon cassettes

1991-11-25

1993-04-13

Wiecking, David A.

Typewriting machines

Including interposed inking device for record-medium

Including mechanism for shifting ribbon laterally at...

400206, 4002062, B41J 3354

Patent

active

052015939

ABSTRACT:
A printing apparatus has a driving motor being rotatable in the forward and backward directions, a first gear for receiving the torque of the motor, a swaying arm secured to an end of the first gear, a printing unit including a plurality of ribbon cassettes superposed on one another, and convey mechanism for conveying document or passbook to the printing unit. The printing unit comprises a taking-up gear for independently taking-up ink ribbons contained in ribbon cassettes, a cam mechanism for selectively shifting the ink ribbons to allow one to pass a printing head, and a second gear for transmitting the torque of the motor from the first gear to the taking-up gear or to the cam mechanism in accordance with sway of the swaying arm.

REFERENCES:
patent: 4469459 (1984-09-01), Trezise et al.
patent: 4504160 (1985-03-01), Payne et al.
patent: 4564303 (1986-01-01), Rosenberg et al.
patent: 4606662 (1986-08-01), Komplin
patent: 4694305 (1987-09-01), Shiomi et al.
patent: 4758108 (1988-07-01), Nakai et al.
IBM Technical Disclosure Bulletin, "Multicolor Matrix Impact Printer" J. H. Meier, vol. 21, No. 11, Apr. 1979 pp. 4448-4451.
IBM Technical Disclosure Bulletin, "Multiple Ribbon Cartridge Color Printer" Meier, Pimbley and Rosenthal, vol. 22, No. 10, Mar. 1980, pp. 4481-4482.

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