Toner container having rotary seal

Details Toner container having rotary seal Toner container having rotary seal

1998-02-12

1999-03-02

Brase, Sandra L

Electrophotography

Internal machine environment

Particle or contaminant control

399262, G03G 1508

Patent

active

058783075

ABSTRACT:
A toner cartridge for supplying toner to a replenishment apparatus of an electrophotographic imaging device has an elongated cylindrical container filled with toner. The container has a longitudinal axis, an open end and a closed end. An end cap is adapted and arranged to close the open end and to accommodate relative rotational motion between the container and the end cap. The end cap has a flange portion defining an open end terminating in an end portion having an edge. An elastomeric seal is provided to effect a positive, relatively low-friction toner seal between a relatively rotating container and the end cap. The seal in an exemplary embodiment comprises an elastomeric band, which is sized properly to affix onto the outside diameter of the cap end portion, with a portion of the seal extending beyond the cap end portion. This extending part of the seal conforms around the inside of the cap end portion such that when the cap is slid over the container during assembly, the seal rides over, and conforms to, the outside diameter of the container. Accordingly, as the bottle and cap are rotated relative to one another, the seal conforms and seals. The toner is discharged through an opening in the end cap.

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patent: 5722019 (1998-02-01), Nakajima
patent: 5812915 (1998-09-01), Farkash

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