Supply cartridge for an electrostatographic printer or copier

Details Supply cartridge for an electrostatographic printer or copier Supply cartridge for an electrostatographic printer or copier

1995-05-18

1996-10-15

Shaver, Kevin P.

Dispensing

With discharge assistant

Insertable cartridge or removable container

222DIG1, 355260, G03G 1508

Patent

active

055646077

ABSTRACT:
A supply cartridge for a printer or copier retains a quantity of dry marking material. The cartridge defines a round structure on an exterior thereof, with a collar rotatable about the round structure. The round structure and the collar both define openings, and the cartridge can dispense marking material when the openings are aligned. A pad is attached to an inner surface of the collar to enhance urging of the collar against the opening of the cartridge when the cartridge is closed. The pad itself urges against the round structure at a point on the circumference of the round structure opposite the opening therein. Alternately, a protrusion can be provided in the round structure at a point opposite the opening.

REFERENCES:
patent: 4937628 (1990-06-01), Cipolla et al.
patent: 5506665 (1996-04-01), Ishida et al.
patent: 5515143 (1996-05-01), Shiotani

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