Patent ID: 9274472
Filing Date: 2016-03-01
CPC Classification: G03G

Claim Text:
1. A fixing device comprising: a film having a tubular shape and configured to circularly move in a moving direction; a nip plate comprising a metal plate, the nip plate comprising: a backup member, the backup member and the one surface of the nip plate being configured to nip the film therebetween to form a nip region, where a sheet is fed in a sheet feeding direction, between the film and the backup member; a halogen lamp extending inside the film; and a temperature sensor disposed inside the film, the temperature sensor facing the opposite surface of the nip plate in the thickness direction, wherein the opposite surface of the nip plate is disposed between the temperature sensor and the one surface of the nip plate in the thickness direction, an entirety of the temperature sensor being positioned within an area defined between a first imaginary extension plane including the first endface and a second imaginary extension plane including the second endface, and wherein the temperature sensor is disposed on at least one of an upstream side and a downstream side in the sheet feeding direction relative to the nip region.