Patent · US Active

Developing device and image forming apparatus using the developing device

US8369755B2 · kind B2 · utility

1Cited by
2References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 23, 2010
Grant dateFeb 5, 2013
Priority date
Expiry dateMar 30, 2031

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/24802
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

The developing device includes a developer charging member configured to charge a toner serving as a one developer; and a developer bearing member configured to bear and feed the charged toner while forming an electric field so that the toner hops. The developer bearing member includes an insulating substrate; plural electrodes arranged on the insulating substrate in a developer feeding direction to form the electric field; and an outermost layer covering the plural electrodes. The toner has a softening point of from 115 to 130° C.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.