Patent · US Expired

Image forming apparatus having a detachable cartridge and developer residual amount sensor

US6445888B1 · kind B1 · utility

6Cited by
4References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 12, 2000
Grant dateSep 3, 2002
Priority date
Expiry dateOct 12, 2020

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G15/086
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An image forming apparatus includes an image forming apparatus body having a space in which a cartridge is mounted, a developer residual amount sensor having a cartridge confronting face, a supported face, a sensor head and an inclination regulating projection member and serves to detect the amount of developer, a sensor holder having a sensor supporting face for supporting the supported face and a sensor holding portion for holding the developer residual amount sensor, and a fulcrum member which is rotatable with respect to the tip portion thereof as a fulcrum.

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