Fuser unit

摘要

A fuser unit includes: a cylindrical member having flexibility; a heat generator, which is arranged at the inside of the cylindrical member; a plate-shaped nip member, which is arranged to slidingly contact an inner peripheral surface of the cylindrical member and receives radiation heat from the heat generator; a backup member, which is configured to configure a nip part between the cylindrical member and the backup member with the cylindrical member, by nipping between the backup member and the nip member; a temperature detection unit, which is arranged to face an opposite surface that is opposite to the surface of the nip member slidingly contacting the cylindrical member at the inside of the cylindrical member and detects a temperature of the nip member, and an urging member that urges the temperature detection unit toward the nip member.

主权项

1. A fuser unit comprising:
a cylindrical member having flexibility; a heat generator arranged inside the cylindrical member; a plate-shaped nip member arranged to slidingly contact an inner peripheral surface of the cylindrical member and configured to receive radiation heat from the heat generator; a backup member configured to form a nip part between the cylindrical member and the backup member, by nipping the cylindrical member between the backup member and the nip member; a temperature detection unit arranged to face an opposite surface that is opposite to a surface of the nip member configured to slidingly contact the inner peripheral surface of the cylindrical member and configured to detect a temperature of the nip member; an urging member configured to urge the temperature detection unit toward the nip member; a frame member arranged inside the cylindrical member and configured to support the urging member; and a stay member arranged inside the cylindrical member and configured to support the nip member, and to which a load from the backup member is applied, wherein the frame member is fixed to the stay member.