Patent · US Expired

Color image forming apparatus

US5758243A · kind A · utility

14Cited by
13References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 10, 1997
Grant dateMay 26, 1998
Priority date
Expiry dateFeb 10, 2017

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G2215/0497
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An image forming apparatus includes a rotary image forming body; a charger provided around the image forming body for charging the image forming body; a plurality of imagewise exposure devices for imagewise exposing the charged image forming body to form respective latent images thereon; and a plurality of developing devices for developing the respective latent images formed on the image forming body to form respective toner images. A plurality of different color toner images thus formed by the respective chargers, the respective imagewise exposure devices and the respective developing devices are superimposed on the image forming body, thereby a color toner image is formed. The image forming apparatus further includes a transfer device for transferring the color toner image on the image forming body onto a transfer member; a cleaning device for removing a residual toner on the image forming body; a support member for supporting the plurality of exposure devices. The support member and plurality of exposure devices supported on the support member are provided inside the image forming body kept in a static status. The image forming apparatus is further provided with a gap keeping me…

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