Image heating apparatus comprising backup roller provided with heat conducting member or cleaning member
AssigneeCanon Kabushiki Kaisha
InventorsKensaku Kusaka, Koji Masuda, Manabu Takano
Life of this patent
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Abstract
An image heating apparatus has a heater, a film for transferring heat from the heater to an image on a recording material, a rotary backup member for forming a nip with the film and a cleaning member for cleaning a peripheral surface of the rotary backup member. A device for moving the cleaning member is provided so that the cleaning member comes in contact with, or moves away from, the surface of the rotary backup member such that the moving device places the cleaning member in contact with the surface of the rotary backup member after the temperature of the rotary backup member increases.
Claims4
An image heating apparatus comprising:
- a heater;
- a film for transferring the heat from said heater to an image on a recording material;
- a rotary backup member for forming a nip with said film;
- a cleaning member for cleaning a peripheral surface of said rotary backup member;
- moving means for moving said cleaning member so that it comes in contact with, or moves away from, the surface of said rotary backup member;
- wherein said moving means places said cleaning member in contact with the surface of said rotary backup member after a temperature of said rotary backup member increases.
Dependencies are inferred from the claim text.