Charge element, process cartridge, and image forming apparatus
US8565648B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 22, 2011 |
| Grant date | Oct 22, 2013 |
| Priority date | — |
| Expiry date | Oct 26, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/0233
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A charge element includes an element body in parallel to a photoreceptor element and biased to the photoreceptor element by an elastic element, and a gap retainer unit provided on the element body, contacting with an outer face of the photoreceptor element to constantly retain a gap between an outer face of the element body and the outer face of the photoreceptor element, and comprising a first gap retainer element provided on the element body and a second gap retainer element provided on the first gap retainer element and made of a material softer than that of the first gap retainer element and that of the outer face of the photoreceptor element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.