Invention Grant
US08588656B2 Developing device with double spiral blade and image forming apparatus
有权
具有双螺旋叶片和成像装置的显影装置
- Patent Title: Developing device with double spiral blade and image forming apparatus
- Patent Title (中): 具有双螺旋叶片和成像装置的显影装置
-
Application No.: US13110428Application Date: 2011-05-18
-
Publication No.: US08588656B2Publication Date: 2013-11-19
- Inventor: Koichi Mihara , Takafumi Nagai
- Applicant: Koichi Mihara , Takafumi Nagai
- Applicant Address: JP Osaka-Shi
- Assignee: Sharp Kabushiki Kaisha
- Current Assignee: Sharp Kabushiki Kaisha
- Current Assignee Address: JP Osaka-Shi
- Agency: Nixon & Vanderhye P.C.
- Priority: JPP2010-114798 20100518
- Main IPC: G03G15/08
- IPC: G03G15/08

Abstract:
A developer tank of a developing device is partitioned into a first conveyance path, a second conveyance path, a first communicating path and a second communicating path with a partition. A first developer conveying member that conveys a developer in a first developer conveying direction is provided in the first conveyance path. A second developer conveying member that conveys the developer in a second developer conveying direction is provided in the second conveyance path. In the first developer conveying member, a double spiral blade is provided on a downstream side in the first developer conveying direction from a first conveying blade of the first developer conveying member, the double spiral blade including an inner spiral blade that conveys the developer in a first direction and an outer spiral blade that conveys the developer in a second direction.
Public/Granted literature
- US20110286769A1 DEVELOPING DEVICE AND IMAGE FORMING APPARATUS Public/Granted day:2011-11-24
Information query