Developer regulation member and developing apparatus
US7239832B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 14, 2004 |
| Grant date | Jul 3, 2007 |
| Priority date | — |
| Expiry date | Sep 28, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/0875
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A developer regulation member includes developer regulation device for regulating an amount of developer carried on a developer carrying member. The developer regulation device includes a first regulation portion formed of a first material which has a Shore D hardness of not less than 70 degrees or is metal, and a second regulation portion which is disposed opposite to the developer carrying member and is formed of a material different from the first material for the first regulation portion. The second regulation portion has an edge which is in contact with the developer carrying member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.