DEVELOPING CARTRIDGE

Japanese Patent JP2695714

B2

PURPOSE: To prevent toner from overflowing and dropping at the time of shipping and storing and to prevent a toner supply roller from being deformed by providing a sealing member in a toner hopper; a toner supply port is sealed by one end of the member and the other end of the member is fixed on a stirring member and the member is taken up by the stirring member in accordance with the rotation of the stirring member.
CONSTITUTION: In a developing vessel 1, developer made of toner and carrier is stored, and a stirring roller 6 and a magnet roller 5 are rotatably disposed. A photoconductive photosensitive body 4 is arranged opposite to the magnet roller 5. The toner supply port 9 is formed under the toner supply roller 3, and one end of the sealing member 8 is held between the toner supply port 9 and the toner supply roller 3. The sealing member 8 is made of a flexible film such as polyethylene terephthalate, and it is spread so as to cover all over the toner supply port 9 therewith. And the other end of the sealing member 8 is melt stuck and fixed on the rotary shaft of the stirring member 7, and then, the member 8 is taken up by the stirring member 7 at the time of setting.

JPS6465575	RECORDER
JPS5288347	DEVELOPMENT MEANS
JP2010241468	DEVELOPER VESSEL

Demoto future
Katsuzo Uchida
Keiji Kato
Naoyuki Yamane
Yasuo Imai
Kunihiro Hisashi

JP24157391A

January 14, 1998

September 20, 1991

Click for automatic bibliography generation  

Sharp Corporation

G03G15/08; G03G21/16; G03G15/00; (IPC1-7): G03G15/08; G03G15/08; G03G21/16

JP3221981A
JP384854U

Hisao Komori

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