Patent · US Active

Charging device for charging photosensitive member

US8649701B2 · kind B2 · utility

1Cited by
7References
10Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 7, 2011
Grant dateFeb 11, 2014
Priority date
Expiry dateNov 26, 2031

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G2215/027
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A charging device has a corona charger including a grid, the corona charger being configured to charge a photosensitive member. The device also has a sheet-like shutter configured to open and close an opening of the corona charger in the longitudinal direction, a winding member configured to wind the shutter while holding one end of the shutter, a holding member configured to hold the other end of the shutter and move in the longitudinal direction of the opening, and a protective member configured to protect a portion of a surface of the shutter facing the grid, the portion being adjacent to the holding member.

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