Cleaning blade, cleaning device and image forming apparatus
US10295951B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 8, 2018 |
| Grant date | May 21, 2019 |
| Priority date | — |
| Expiry date | May 8, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2221/1606
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A cleaning blade for a photosensitive member carrying a liquid developer includes a free end surface provided at one end portion in a height direction of the blade, the free end surface being provided with an edge portion at one end portion of the free end surface with respect to the thickness direction. The edge portion has curved portions and a linear portion therebetween. As seen in the thickness direction, the curved portion includes an arcuate shape portion and is connected with the linear portion such that the linear portion is tangential of the arcuate shape; a height of the blade increases toward the end portion of the blade; a maximum angle formed between the curved portion and the linear portion is not less than 5 degrees; and the curved portion includes a portion having radius of curvature not less than 240 mm and not more than 320 mm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.