Developing device, process cartridge and drum unit
US9188940B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 23, 2014 |
| Grant date | Nov 17, 2015 |
| Priority date | — |
| Expiry date | Jul 23, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G21/1821
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A developing device for use with an image forming apparatus, includes: a developer carrying member for carrying a developer; a developer regulating member for regulating an amount of the developer carried on the developer carrying member; a first frame for supporting the developer regulating member; a fixing member for fixing the developer regulating member to the first frame; a second frame mounted to the first frame; and a molded resin portion formed by injecting a melted resin material into a space defined by the first and second frames. The molded resin portion is engaged with a first limiting portion provided as a part of the fixing member and projected into the space and is engaged with a second limiting portion provided as a part of the second frame to connect the first and second frame.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.