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US 6,618,574 B2Granted
Thin film type image heating apparatus with pressurizing force transmitting member for regulating movement of film
AssigneeCanon Kabushiki Kaisha
InventorHitoshi Nishitani
Life of this patent
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Abstract
The image heating apparatus has a heater, a film sliding against the heater, a roller forming a nip together with the heater via the film, a holding member for holding the heater, and a supporting member for supporting the roller. In the image heating apparatus, a recording material bearing an image is nipped and conveyed in the nip and the image on the recording material is heated by heat from the heater via the film, and the holding member is directly supported by the supporting member.
Claims7
An image heating apparatus comprising:
- a heater;
- a film sliding against said heater;
- a roller forming a nip together with said heater via said film;
- wherein a recording material bearing an image is nipped and conveyed in said nip and the image on the recording material is heated by heat from said heater via said film, and
- a holding member for holding said heater;
- a supporting member for supporting an end portion of said roller;
- and
- a pressurizing force transmitting member for transmitting a pressurizing force to said holding member, said pressurizing force transmitting member being inserted in said supporting member and said pressurizing force transmitting member having a function of regulating movement in a lengthwise direction of said film,
- wherein said holding member is pressurized to a side of said roller by said pressurizing force transmitting member, and said holding member is directly supported by said supporting member without being supported by said pressurizing force transmitting member.
6 more elements
Dependencies are inferred from the claim text.