Printer having a bail roller opening and closing mechanism

Details Printer having a bail roller opening and closing mechanism Printer having a bail roller opening and closing mechanism

1991-08-06

1992-06-09

Eickholt, Eugene H.

Typewriting machines

Sheet or web

Including friction-feed means

B41J 1136

Patent

active

051201461

ABSTRACT:
A printer having a bail roller opening and closing apparatus including a bail roller for pressing a printing medium against a platen, a bail roller opening and closing mechanism for moving the bail roller between a closed position and an open position, and a clutch for connecting a space motor to the bail roller opening and closing mechanism. The bail roller opening and closing mechanism includes a rotating member rotationally driven by the space motor via the clutch, a transmission member causing the bail roller to be displaced by displacement of the transmission member and manual displacement of the bail roller, and a bidirectional motion transmission mechanism for transmitting bidirectional motion between the rotating member and the transmission member.

REFERENCES:
patent: 4262894 (1981-04-01), Marano
patent: 4420149 (1983-12-01), Schultes et al.
patent: 4569611 (1986-02-01), Watanabe et al.
patent: 4647239 (1987-03-01), Maezawa et al.
patent: 4657420 (1987-04-01), Kondo
patent: 4707159 (1987-11-01), Hirano et al.
patent: 4859099 (1989-08-01), Kanemoto et al.
patent: 4883375 (1989-11-01), Karube et al.
IBM Technical Disclosure Bulletin, vol. 4, No. 5, Sep. 1979, New York US pp. 677-678.
Patent Abstracts of Japan, vol. 12, No. 416, Nov. 4, 1988.
IBM Technical Disclosure Bulletin, vol. 23, No. 10, Mar. 1981, New York US, pp. 4798-4799.
Patent Abstracts of Japan, vol. 12, No. 448, Nov. 24, 1988.

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