Ribbon spools for a reloadable cassette for a typewriter or simi

Details Ribbon spools for a reloadable cassette for a typewriter or simi Ribbon spools for a reloadable cassette for a typewriter or simi

1986-07-11

1988-10-25

Pearson, Charles A.

Typewriting machines

Including interposed inking device for record-medium

Package for ribbon facilitating mounting of ribbon on...

400228, 400238, 400250, B41J 3200

Patent

active

047800100

ABSTRACT:
A ribbon cassette for an office machine, composed of: a cassette housing removably mountable in the machine, the housing having an entrance opening, an exit opening, an openable cover and elements constituting deflection points; a supply spool and a take-up spool having a core, each of the spools being removably mounted in the cassette housing; a carbon ribbon initially wound in the form of a coil on the supply spool, the ribbon having a leading end at the outer surface of the coil to be received by the take-up spool core to permit the ribbon to be wound up on the take-up spool while being unwound from the supply spool; and a fastening member secured to the leading end of the ribbon for threading the ribbon around the deflection points; and wherein the core is formed for enabling the fastening member to be fixed thereto to aid winding of the ribbon on the take-up spool.

REFERENCES:
patent: 2366147 (1944-12-01), May
patent: 2486473 (1949-11-01), Hart
patent: 3151723 (1964-10-01), Wendt
patent: 3286808 (1966-11-01), Arena et al.
patent: 3482684 (1969-12-01), Schladale
patent: 4265553 (1981-05-01), Hatsell
patent: 4368992 (1983-01-01), Gagnebin
patent: 4614448 (1986-09-01), Suzaki et al.
patent: 4623274 (1986-11-01), Ohsaki

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