Ribbon drive mechanism

Details Ribbon drive mechanism Ribbon drive mechanism

1981-09-11

1983-07-26

Burr, Edgar S.

Typewriting machines

Including interposed inking device for record-medium

Including mechanism for shifting ribbon laterally at...

400232, 4002361, 4006971, B41J 3318, B41J 3510

Patent

active

043951490

ABSTRACT:
A ribbon drive mechanism for a typewriter or similar machine in which the supply spool and a first ribbon guide are fixed with respect to the machine frame, and the take-up spool and a second ribbon guide are vertically moveable with respect to the machine frame. The ribbon is fed past the print point when the take-up spool and the second ribbon guide adjacent thereto are in their raised position. Means are also provided for feeding a constant increment of ribbon, regardless of the amount of ribbon on the take-up spool.

REFERENCES:
patent: 3724633 (1973-04-01), Korb et al.
patent: 3997046 (1976-12-01), Wolowitz
IBM Technical Disclosure Bulletin, vol. 19, No. 7, Dec. 1976, pp. 2393-2394.
IBM T. D. B., vol. 11, No. 12, May, 1969, pp. 1754-1755.

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