Sealing arrangement for a toner dispensing cartridge

Details Sealing arrangement for a toner dispensing cartridge Sealing arrangement for a toner dispensing cartridge

1989-06-23

1990-05-15

Cusick, Ernest G.

Fluent material handling, with receiver or receiver coacting mea

Combined

141364, 355260, 222DIG1, 222325, B65B 104, G03G 1508

Patent

active

049249207

ABSTRACT:
An apparatus for dispensing material in which a housing is adapted to store a supply of material therein. The housing has an exit aperture for discharging the material therefrom. The exit aperture is sealed by inner and outer seals. The outer seal prevents access to the inner seal when the exit aperture is in a closed position. When the housing is moved from the closed position to an open position, the inner seal moves over the outer seal to an open position wherein the exit aperture is spaced from both the inner and outer seals so that material may be discharged therefrom.

REFERENCES:
patent: 1498367 (1924-06-01), Ferguson
patent: 3618826 (1971-11-01), Kangas
patent: 3915208 (1975-10-01), Anderson
patent: 4060105 (1977-11-01), Feldeisen
patent: 4062385 (1977-12-01), Katusha et al.
patent: 4456154 (1984-06-01), Herriman
patent: 4491161 (1985-01-01), Tamura et al.
patent: 4603714 (1986-08-01), Marotta
patent: 4615364 (1986-10-01), Kawata
patent: 4650070 (1987-03-01), Oka et al.

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