Patent ID: 7366455
Filing Date: 2008-04-29
Classification: G03G

Abstract:
1. An image fixing apparatus comprising: a heater having a heat generating resistor on a substrate; a heater holder for holding said heater; and a backup roller for forming a nip portion in cooperation with said heater, wherein said heater holder includes, in a direction along a short side of said heater, a contact area facing a resistor forming area of said heater and coming into contact with said heater, and non-contact areas provided on both sides of the contact area, the non-contact areas facing said heater without contacting said heater, wherein the contact area has a width equal to or larger than the resistor forming area in a direction along the short side of said heater, and wherein the contact area and the non-contact areas in said heater holder overlap a whole of the resister forming area of said heater in a longitudinal direction of said heater.