Electrophotography – Image formation – Development
Patent
1997-10-24
1999-07-13
Moses, Richard
Electrophotography
Image formation
Development
399102, 399119, 399120, 399358, G03G 1508, G03G 1504, G03G 2110
Patent
active
059239310
ABSTRACT:
A sealing mechanism for preventing the leakage of powder from between a through-hole and a rotary shaft which is supported between one side wall of a container containing said powder and the other side wall thereof and of which one end protrudes outwardly beyond said through-hole formed in said one side wall. A circular flange is formed on the rotary shaft, and a seal ring member is fitted between the circular flange of the rotary shaft and said one side wall. A to-be-engaged groove is formed in one end of the rotary shaft. An input gear made of a synthetic resin is fitted to the one end of the rotary shaft, and an engaging projection that engages with said to-be-engaged portion is formed in a portion of the input gear that is fitted to the rotary shaft.
REFERENCES:
patent: 5515143 (1995-05-01), Shiotani
patent: 5541710 (1996-07-01), Stewart et al.
patent: 5659859 (1995-06-01), Kikuta et al.
patent: 5715502 (1996-07-01), Taniguchi et al.
Patent Abstracts of Japan, Publ. No. 08145047, Publ. Date: Jun. 4, 1996, Appl. No. 06283075, Appl. Date: Nov. 17, 1994, Fujitsu Ltd., Ota Misako, Flange and Paddle Roller.
Mita Industrial Co. Ltd.
Moses Richard
Virmani Shival
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