Developing device having developing roller, layer thickness regulation blade and seal member
US9235157B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 21, 2014 |
| Grant date | Jan 12, 2016 |
| Priority date | — |
| Expiry date | Oct 21, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/0817
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A developing device including a housing, a developing roller rotatably provided to the housing, a layer thickness regulation blade contacting the developing roller, and a seal member arranged between the housing and each end of the developing roller, wherein the layer thickness regulation blade includes a blade main body extending along an axial direction of the developing roller, and a blade rubber part protruding from a surface of the blade main body facing the developing roller and contacting the developing roller, wherein an end surface of the blade rubber part in the axial direction is in contact with an inner end surface of the seal member in the axial direction, and wherein a suppression part configured to suppress a strength of flow of the developer is provided at a corner part between the blade rubber part and the seal member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.