06185393 is referenced by 21 patents and cites 9 patents.

A developing apparatus includes a developing roller; a magnetic seal provided at a longitudinal end of the developing roller; a positioning surface between a developing frame supporting the developing roller and a bottom end of the magnetic seal, the positioning surface being in contact with the developing frame and the magnetic seal; an end seal provided between the developing frame and the bottom end of the magnetic seal.

Title
Developing apparatus, magnetic seal mounting method and process cartridge
Application Number
9/187747
Publication Number
6185393 (B2)
Application Date
November 9, 1998
Publication Date
February 6, 2001
Inventor
Atsushi Numagami
Hadano
US
Toshiyuki Karakama
Shizuoka-ken
US
Agent
Fitpatrick Cella Harper Scinto
US
Assignee
Canon Kabushiki Kaisha
US
IPC
G03G 15/08
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