Patent · US Expired

Image forming apparatus having a heater in contact with a film to fix a toner image

US5043763A · kind A · utility

46Cited by
10References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 19, 1989
Grant dateAug 27, 1991
Priority date
Expiry dateSep 19, 2009

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G15/2039
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An image fixing apparatus includes a heater which is fixed during an image fixing operation, a film for sliding movement of the heater, wherein a toner image on a recording material is heated by heat from the heater through the film, detecting means for detecting non-movement of the film, and power supply stopping means for stopping energization of the heater in response to an output of the detecting means.

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