Cleaning blade, image forming apparatus and process cartridge
US9342031B2 · kind B2 · utility
1Cited by
0References
6Claims
0Family size
Assignee
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Key dates
| Filing date | Jun 18, 2015 |
| Grant date | May 17, 2016 |
| Priority date | — |
| Expiry date | Jun 18, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G21/0017
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A cleaning blade cleaning the surface of an object includes a rigid holder; and a strip-shaped elastic body fixed on the holder, having a tip ridgeline to contact the surface of the object. The elastic body has a Martens hardness M1 in the range of from 0.9 to 10.0 N/mm2 at a position 300 μm from the ridgeline on an undersurface of the elastic body including the ridgeline, a Martens hardness M2 at a position 1,000 μm therefrom and a Martens hardness M3 at a position 2,000 μm therefrom, and M1, M2 and M3 satisfy the following relationship:M1>M2>M3.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.