Resilient ribbon cartridges for business machines

Details Resilient ribbon cartridges for business machines Resilient ribbon cartridges for business machines

1977-05-10

1979-01-16

Wright, Jr., Ernest T.

Typewriting machines

Including interposed inking device for record-medium

Package for ribbon facilitating mounting of ribbon on...

B41J 3314

Patent

active

041346939

ABSTRACT:
For use in business machines, one-piece holders or cartridges are described for holding spools or cores carrying inked ribbons or coated film ribbons. Each cartridge, although a single permanently integral unit, enables each spool or core to be located in operative position, removed and replaced, the spool or core being located in the cartridge by flanges at its opposite ends, and at least one of these flanges being sufficiently resilient to permit the spool or core to be removed. In one example, a neck at one end of a core can be moved along a slot in one flange to locate a shallow journal in a recess at the end of the slot, the opposite end of the core being located by a bearing hole in the other flange. In another example, a circular flange formed at the end of each spool is journalled in a shallow depression in one cartridge flange in which it is retained by a resilient cartridge flange bearing on the opposite end of the spool. The spools or cores are arranged so that they can be positively driven by the machine mechanism.

REFERENCES:
patent: 3045800 (1962-07-01), Landgraf
patent: 3065837 (1962-11-01), Di Luco
patent: 3151724 (1964-10-01), Ross et al.
patent: 3260344 (1966-07-01), Doyle
patent: 3464533 (1969-09-01), Gallant
patent: 3478858 (1969-11-01), Arvai
patent: 3604549 (1971-09-01), Caudill et al.
patent: 3924727 (1975-12-01), Morelli

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