Patent · US Active

Corona charger including shutter

US9268248B2 · kind B2 · utility

1Cited by
8References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 28, 2014
Grant dateFeb 23, 2016
Priority date
Expiry dateMar 28, 2034

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G2215/027
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A charging device includes a corona charger, provided with an opening opposing a photosensitive member, for electrically charging the photosensitive member; a sheet-like member provided so that the sheet-like member can cover the opening; a movable device for moving the sheet-like member; and a regulating device for regulating a shape of the sheet-like member so that a central portion of the sheet-like member protrudes toward the corona charger with respect to a circumferential direction of the photosensitive member.

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