Charging unit
US9632444B2 · kind B2 · utility
0Cited by
2References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 8, 2016 |
| Grant date | Apr 25, 2017 |
| Priority date | — |
| Expiry date | Jan 8, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/0216
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A charging unit includes: a charging member that contacts with an image holding body holding an image and charges a surface of the image holding body; a support member that supports the charging member; and a pressing member that has plural springs that expand and contract in a direction from the support member to the image holding body, and pushes the support member toward the image holding body, and at least two of the plural springs of the pressing member are formed by a single metal wire.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.