Developing unit and image forming apparatus using the same
US7925194B2 · kind B2 · utility
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22Claims
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Key dates
| Filing date | May 29, 2007 |
| Grant date | Apr 12, 2011 |
| Priority date | — |
| Expiry date | Dec 28, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/0866
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A developing unit to supply toner to a photosensitive medium of an image forming apparatus to form an image thereon, including a housing to hold a toner of a predetermined color, a developing roller which is coupled to the housing to be rotatable in a direction opposite to a moving direction of the photosensitive medium, to supply the photosensitive medium with the toner, and to form the image by potential difference, and a regulating blade including a coupling end part coupled to the housing and a free end part double bent with regard to the coupling end part to contact the developing roller at a tip part thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.