Electrophotography – Internal machine environment – Particle or contaminant control
Reexamination Certificate
2006-04-18
2006-04-18
Grimley, Arthur T. (Department: 2852)
Electrophotography
Internal machine environment
Particle or contaminant control
C399S262000
Reexamination Certificate
active
07031635
ABSTRACT:
The present invention relates to a toner cartridge, which contains the toner directly in a housing. The housing has an opening. A plug is disposed in the housing where the opening is. The plug has a small diameter portion that has a diameter smaller than the opening. A piston is disposed in the housing to be biased by an elastic member to the plug for sealing the opening. Such toner cartridge has a simple structure to reduce the cost of fabrication and use and has a function of preventing leaking toner.
REFERENCES:
patent: 6665508 (2003-12-01), Sudo et al.
patent: 6671482 (2003-12-01), DiIanni et al.
Huang Ching-Yu
Huang Ya-Li
Wang Hui-Yen
Browdy and Neimark PLLC
General Plastic Industrial Co., Ltd.
Grimley Arthur T.
Roth Laura K.
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