Space securing member, developing device, charging device and process cartridge
US6385416B1 · kind B1 · utility
199Cited by
32References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 14, 2000 |
| Grant date | May 7, 2002 |
| Priority date | — |
| Expiry date | Nov 14, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/0119
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A space securing member defines a predetermined space between the first rotary member and the second rotary member which is arranged apart from the first rotary member with the predetermined space. The space securing member is provided with a circular hole that is rotatably supported by one of the first and second rotary members, and an arc-shaped portion that is in area contact with an outer peripheral surface of the other rotary member. The space securing member is used to provide a predetermined space between a charging roller and a photosensitive drum and/or a developing roller and the photosensitive drum.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.