Invention Grant
- Patent Title: Seal member, developing device, process cartridge, and image forming apparatus
- Patent Title (中): 密封构件,显影装置,处理盒和成像装置
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Application No.: US12257547Application Date: 2008-10-24
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Publication No.: US08081897B2Publication Date: 2011-12-20
- Inventor: Tomohiro Kubota , Kenzo Tatsumi , Tomofumi Yoshida , Hirobumi Ooyoshi , Yoshihiro Kawakami , Yoshiyuki Shimizu
- Applicant: Tomohiro Kubota , Kenzo Tatsumi , Tomofumi Yoshida , Hirobumi Ooyoshi , Yoshihiro Kawakami , Yoshiyuki Shimizu
- Applicant Address: JP Tokyo
- Assignee: Ricoh Company, Limited
- Current Assignee: Ricoh Company, Limited
- Current Assignee Address: JP Tokyo
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2007-281607 20071030
- Main IPC: G03G15/00
- IPC: G03G15/00

Abstract:
A seal member covers a space between a developing roller and a casing of a developing device. The seal member includes a flexible sheet and a reinforcing member fixed to the sheet. The reinforcing member is fixed to the casing. Notches are provided in the reinforcing member in a direction perpendicular to the length of the reinforcing member.
Public/Granted literature
- US20090110430A1 SEAL MEMBER, DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS Public/Granted day:2009-04-30
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