Developer powder supply cartridge

Details Developer powder supply cartridge Developer powder supply cartridge

1979-10-22

1981-02-17

Norton, Donald F.

Bottles and jars

Closures

Closure pivoted about receptacle opening

206216, 215 1C, 232 431, B65D 8306

Patent

active

042510015

ABSTRACT:
A toner supply cartridge for use with an electrographic reproduction machine, having a generally symmetric configuration with a centrally located filling opening. The cartridge contains a second larger opening for dispensing the toner into the copy machine, this opening being sealed prior to use with a permanently attached door. The door is openable after inserting the cartridge into the reproduction machine by pulling an external tab structure which is connected to a section of adhesive tape securing the door in its closed position. This structure minimizes the amount of toner unintentionally escaping from the toner cartridge prior and during its insertion into the reproduction machine.

REFERENCES:
patent: 1959790 (1934-05-01), Katzman
patent: 3380608 (1968-04-01), Morbeck
patent: 3618826 (1971-11-01), Kangas
patent: 3999654 (1976-12-01), Pollack

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