Attachment for ink ribbon replacement and ink ribbon cassette ap

Details Attachment for ink ribbon replacement and ink ribbon cassette ap Attachment for ink ribbon replacement and ink ribbon cassette ap

1994-04-01

1995-05-30

Bennett, Chris A.

Typewriting machines

Including interposed inking device for record-medium

Package for ribbon facilitating mounting of ribbon on...

400613, 400692, 400242, 2423472, B41J 3528

Patent

active

054196434

ABSTRACT:
The present invention aims at performing in a simple manner the replacement of an ink ribbon contained in an ink ribbon cassette. To this end, the attachment 11 for ink ribbon replacement according to the present invention is provided with a table portion 12 for resting the ink ribbon cassette thereon. On the upper surface of the table portion 12 is provided a positioning member 13 for positioning the ink ribbon cassette and are also provided projections 16 for pushing retaining members 10 which hold upper and lower cassette cases 6b, 6a integrally with each other, to release the engagement of both cassette cases. When the ink ribbon cassette is put on the attachment 11 for ink ribbon replacement, the retaining members 10 of the ink ribbon cassette are pushed by the projections 16 of the attachment to thereby disengage the upper and lower cassette cases 6b, 6a of the ink ribbon cassette from each other.

REFERENCES:
patent: 3294228 (1966-12-01), Urso et al.
patent: 3432111 (1969-03-01), Ryder
patent: 4160605 (1979-07-01), Neubaum
patent: 4325646 (1982-04-01), Sasaki
patent: 4367963 (1983-01-01), Daughters
patent: 4413919 (1983-11-01), Applegate et al.
patent: 4605325 (1986-08-01), Hofmann
patent: 4955737 (1990-09-01), Haftmann et al.

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