Invention Grant
- Patent Title: Developing device, and image forming apparatus and process cartridge incorporating same
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Application No.: US15139280Application Date: 2016-04-26
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Publication No.: US09690254B2Publication Date: 2017-06-27
- Inventor: Jun Shiori , Hideo Yoshizawa , Daisuke Hamada , Shingo Kuboki , Takahiro Adachi
- Applicant: Jun Shiori , Hideo Yoshizawa , Daisuke Hamada , Shingo Kuboki , Takahiro Adachi
- Applicant Address: JP Tokyo
- Assignee: Ricoh Company, Ltd.
- Current Assignee: Ricoh Company, Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Duft Bornsen & Fettig, LLP
- Priority: JP2015-100738 20150518
- Main IPC: G03G15/00
- IPC: G03G15/00 ; G03G15/08 ; G03G21/18 ; G03G21/16

Abstract:
An image forming apparatus includes a latent image bearer having a shaft to rotate in a normal direction for image formation and a reverse direction, a charging device, a latent image forming device, a developing device including a developer bearer having a shaft, a driving source, a drive transmission device to transmit a driving force from the driving source to the shaft of the latent image bearer and the shaft of the developer bearer. The developer bearer rotates in a predetermined direction during image formation and transports developer including toner to a developing range facing the latent image bearer, thereby developing the latent image on the latent image bearer. The drive transmission device is configured to inhibit transmission of the driving force to the shaft of the developer bearer when the latent image bearer rotates in the reverse direction.
Public/Granted literature
- US20160342134A1 DEVELOPING DEVICE, AND IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE INCORPORATING SAME Public/Granted day:2016-11-24
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