Cylindrical toner cartridge for electrophotographic printer

Details Cylindrical toner cartridge for electrophotographic printer Cylindrical toner cartridge for electrophotographic printer

1990-10-19

1992-06-02

Shaver, Kevin P.

Dispensing

Movably mounted supply container

Rotatable

222DIG1, B67D 564

Patent

active

051180138

ABSTRACT:
A toner cartridge has an outer cylinder and an inner cylinder contained in the outer cylinder in such a relation that it is adjacent to the outer cylinder and rotatably slidable relative thereto. Outer cylinder toner discharge openings are formed in the outer cylinder and spaced in the longitudinal direction thereof. Inner cylinder toner discharge openings are formed in the inner cylinder and spaced in the longitudinal direction thereof, the inner cylinder toner discharge openings being alignable with the outer cylinder toner discharge openings. Opposite ends of the outer cylinder are provided with notches. The outer cylinder toner discharge openings are spaced by at least one outer cylinder rib. The inner cylinder toner discharge openings are spaced by at least one inner cylinder rib which is not axially aligned with the outer cylinder rib.

REFERENCES:
patent: 3618826 (1971-10-01), Kangas et al.
patent: 4441636 (1984-04-01), Yamashita et al.

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