Ribbon drive coupling and cartridge tilt arrangement for print l

Details Ribbon drive coupling and cartridge tilt arrangement for print l Ribbon drive coupling and cartridge tilt arrangement for print l

1984-06-05

1987-01-13

Wright, Jr., Ernest T.

Typewriting machines

Including interposed inking device for record-medium

Package for ribbon facilitating mounting of ribbon on...

400212, 400225, 400228, B41J 3200

Patent

active

046360980

ABSTRACT:
A ribbon cartridge (10) is attached to a carrier (1) of a printing device such that it is tiltable along an axis that is parallel to the print line to drop the ribbon such that the print line is visible. That part of cartridge (10) which is opposite of the ribbon exposing part and on the other side of tilting axis (18) is on its bottom provided with a ribbon advance knob (8). Into this knob (8) two essentially upright standing walls and inclined ramps (11) are molded. The ribbon feed device (6), provided on carrier (1), has a blade (5) or noses (17) which cooperate with slot-forming walls (12) of knob (8). In ribbon drive direction (14) cartridge (10) automatically drops into coupling interconnection for ribbon feed. Upon turning ribbon feed device (6) in reverse direction (16) blade (5) or noses (17) slide up ramp (11) and lift the rear part and drop the front part of the cartridge (10) so that the print line is rendered visible.

REFERENCES:
patent: 3976183 (1976-08-01), Fleischmann et al.
patent: 4091913 (1978-05-01), Ku et al.
patent: 4231667 (1980-11-01), Behrendt et al.
patent: 4247210 (1981-01-01), Kacmarcik et al.
patent: 4307969 (1981-12-01), Daughters
patent: 4317636 (1982-03-01), Hume
patent: 4329072 (1982-05-01), Kacmarcik
patent: 4472073 (1984-09-01), Valle et al.
IBM Technical Disclosure Bulletin, vol. 26, No. 1, Jun. 1983, "Unique Cam Arrangement for Printer Ribbon Feed Mechanism," B. D. Purcell and E. E. Toutant, pp. 67-68.
IBM Technical Disclosure Bulletin, "Supply Spool Tensioning", Cahill, vol. 25, No. 8, Jan. 1983, pp. 4058-4059.
IBM Technical Disclosure Bulletin, "Proportional Ribbon and Correction Feed Mechanism that does Both Lift and Feed with a Single Motor", Mink et al., vol. 26, No. 1, Jun. 1983, pp. 292-293.
IBM Technical Disclosure Bulletin, "Variable Lift and Feed Increment Ribbon/Correction Mechanism", Greenlief et al., vol. 26, No. 3B, Aug. 1983, pp. 1580-1582.

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