Patent Number: 7,043,182

Title: Developer regulating member, developing device, electrophotographic image forming process cartridge, and image forming apparatus including the developer regulating member

Abstract: A developing device includes a developer carrier and a developer regulating member including a developer regulating part opposing a surface of the developer carrier to regulate the developer carried and conveyed by the developer carrier. The developer regulating member is formed from a single metallic member and includes a space that faces an inner surface of the metallic member. The space extends in a direction perpendicular to a moving direction of the surface of the developer carrier. The developing device can include a cooling device that cools the developer regulating member from an inner surface side of the metallic member facing the space.

Inventors: Sakai; Kiyotaka (Yokohama, JP), Sugihara; Kazuyuki (Yokohama, JP), Terai; Junichi (Yokohama, JP), Sudo; Kazuhisa (Kawasaki, JP), Masuda; Katsumi (Tokyo, JP), Nagashima; Hiroyuki (Yokohama, JP), Kimura; Hideki (Tokyo, JP)

Assignee: Ricoh Company, Ltd.

International Classification: G03G 15/08 (20060101); G03G 15/09 (20060101); G03G 21/20 (20060101)

Expiration Date: 5/09/02018