Daisy-wheel type printer having holder movable between print pos

Details Daisy-wheel type printer having holder movable between print pos Daisy-wheel type printer having holder movable between print pos

1992-12-29

1993-12-21

Burr, Edgar S.

Typewriting machines

Means auxiliary to typewriting function

Means for correcting typing errors

400214, B41J 1160

Patent

active

052716805

ABSTRACT:
A daisy-wheel type printer having a position shifting mechanism for selectively positioning a ribbon cassette and an erase ribbon at a given place in front of a platen, a print hammer driving mechanism, a print ribbon takeup mechanism and an erase ribbon takeup mechanism. These mechanisms are driven by a single drive motor through a plurality of cams mounted on a drive shaft of the drive motor. The drive motor is carried on a carriage body laterally movable along the platen. The carriage body also carries a holder member on which the ribbon cassette and the erase ribbon are mounted. The holder member is pivotally supported to a support shaft and has a printing pivot position and an erase pivot position. The plurality of cams includes a lifter cam, a print cam and a ribbon supply cam. The lifter cam includes a plurality of cam portions.

REFERENCES:
patent: 4472073 (1984-09-01), Valle et al.
patent: 4573813 (1986-03-01), Aoki et al.
patent: 4613248 (1986-09-01), Iwase et al.
patent: 4637744 (1987-01-01), Valle et al.
patent: 4728208 (1988-03-01), Iwase et al.
patent: 4840505 (1989-06-01), Kurokawa
patent: 5160207 (1992-11-01), Woo
patent: 5171094 (1992-12-01), Kawamura

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