Patent · US Active

Charge element, process cartridge, and image forming apparatus

US8565648B2 · kind B2 · utility

0Cited by
2References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 22, 2011
Grant dateOct 22, 2013
Priority date
Expiry dateOct 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.