Apparatus for lifting print and correction ribbons in typewriter

Details Apparatus for lifting print and correction ribbons in typewriter Apparatus for lifting print and correction ribbons in typewriter

1983-06-30

1985-04-16

Burr, Edgar S.

Typewriting machines

Including interposed inking device for record-medium

Including mechanism for shifting ribbon laterally at...

4006971, 4002361, B41J 3523, B41J 2936

Patent

active

045112703

ABSTRACT:
Apparatus for lifting print and correction ribbons in typewriters or printers having a bidirectional motor for driving a lift lever coupled to lift, according to the direction of rotation, either the print or correction ribbon, as required. In order to be able to use a relatively weak motor, the lifting movements of the lift lever driven directly by the motor are transmitted directly to the print or correction ribbon guides without interconnecting members. Print ribbon feed is implemented by means of camming surfaces on the lift lever operating to feed ribbon during the return movement of the print ribbon to rest position below the printing line.

REFERENCES:
patent: 3432022 (1969-03-01), Priebs
patent: 4401395 (1983-08-01), Kurachi et al.
J. H. Meier et al., "Multiple Ribbon Cartridge Color Printer", IBM Technical Disclosure Bulletin, vol. 22, No. 10, pp. 4481-4482, Mar. 1980.

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