Patent · US Expired

Method and apparatus for image forming capable of effectively avoiding an adverse temperature effect to an optical scanning system

US7215349B2 · kind B2 · utility

11Cited by
26References
58Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 10, 2004
Grant dateMay 8, 2007
Priority date
Expiry dateSep 6, 2025

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G2215/04
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An image forming apparatus includes a first support member, an image carrying member configured to carry a toner image thereon, and an optical writing apparatus connected to the first support member and configured to form an electrostatic latent image on the image carrying member. The optical writing apparatus includes an optical system having at least one optical element, a first casing configured to support the optical system, and a second casing configured to encase the first casing and to prevent intrusion of dust to the optical system.

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