Cleaning device capable of preventing a conveyance member from contacting a brush-like rotation body and a collection member, drum unit, and image forming apparatus
US11347175B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 10, 2021 |
| Grant date | May 31, 2022 |
| Priority date | — |
| Expiry date | Sep 10, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G21/105
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A cleaning device includes: a brush-like rotation body that collects residual toner adhering to a photoreceptor from the photoreceptor and holds the residual toner; a collection member that is disposed so as to be in contact with the brush-like rotation body and collects the residual toner held by the brush-like rotation body from the brush-like rotation body; a blade member that scrapes off the residual toner collected by the collection member from the collection member; a conveyance member that is disposed below the brush-like rotation body and the collection member and conveys the residual toner scraped off from the collection member by the blade member; and a restriction part that is disposed above the conveyance member and restricts contact of the conveyance member with the brush-like rotation body and the collection member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.