Charging device, image forming structure, and image forming device
US10802413B1 · kind B1 · utility
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7Claims
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Key dates
| Filing date | Sep 4, 2019 |
| Grant date | Oct 13, 2020 |
| Priority date | — |
| Expiry date | Sep 4, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/1655
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A charging device includes: a charging member that is rotatable and has a peripheral surface to be in contact with a charging target and to which a voltage is to be applied for charging the charging target; a removing member that includes a core and a removing material spirally wound one to less than two times around the core and rotates and comes into contact with the charging member to remove an unnecessary material from the peripheral surface of the charging member; and a detecting unit that detects a current flowing between the charging member and the removing member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.