Ribbon cassette for mailing machine

Details Ribbon cassette for mailing machine Ribbon cassette for mailing machine

2006-01-24

2009-02-03

Culler, Jill E. (Department: 2854)

Typewriting machines

Including interposed inking device for record-medium

Package for ribbon facilitating mounting of ribbon on...

C400S207000, C347S214000

Reexamination Certificate

active

07484902

ABSTRACT:
A thermal ink ribbon cassette for a mailing machine has an anti-reverse spring for preventing rotation of the take-up spindle in the unwinding direction; a constant-tension drag arrangement, including an expansible stub axle, a cooperating expansion member, and a drag gear mounted on the stub axle in meshing engagement with an array of gear teeth surrounding the base of the ribbon supply spindle; and a guide bar for defining an optimal ribbon path between the entrance opening of the cassette housing and the take-up spindle.

REFERENCES:
patent: 4908632 (1990-03-01), Ishikawa et al.
patent: 5044794 (1991-09-01), Shimoyama et al.
patent: 5304008 (1994-04-01), Asakura et al.
patent: 5318368 (1994-06-01), Fogle et al.
patent: 5355152 (1994-10-01), Porter et al.
patent: 5619244 (1997-04-01), Manna
patent: 5917532 (1999-06-01), Cornell et al.
patent: 5959652 (1999-09-01), Privin

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