Image fixing apparatus
AssigneeCanon Kabushiki Kaisha
InventorsKensaku Kusaka, Yoshihiko Suzuki, Shigeo Kimura, Atsushi Hosoi, Hiroyuki Adachi, Masahide Kinoshita, Hidekazu Maruta, Akira Yamamoto, Ikuko Naruse
Life of this patent
Estimating the term…
Abstract
An image heating apparatus includes a heater having a heating surface; a base member for supporting said heater, said base member having an edge; a holder for supporting said base member; a film movable with a recording material in sliding contact with the heating surface; wherein said holder has a rounded projection for preventing contact of said film with the edge.
Claims76
An image heating apparatus, comprising:
- a heater having a heating surface;
- a base member for supporting said heater, said base member having an edge;
- a holder for supporting said base member;
- a film movable with a recording material in sliding contact with the heating surface;
- wherein said holder has a rounded projection for preventing contact of said film with the edge.
An image heating apparatus, comprising:
- a heater having a heating surface;
- a base member for supporting said heater, said base member having an edge;
- a film movable with a recording material in a sliding contact with the heating surface;
- projection member mounted on said base member for preventing contact of said film with the edge.
An image heating apparatus, comprising:
- a heating block including a heat generating resistor for generating heat upon electric power supply thereto, and a base member, having a rectangular cross-section, for supporting said heat generating resistor;
- a film movable with a recording material in sliding contact with the heating block, said film contacting said heating block at a central portion of said base member and not contacting said heating block at end portions thereof with respect to a movement direction of said film.
An image heating apparatus, comprising:
- a heater having a heating surface;
- a base member for supporting said heater;
- a film movable with a recording material in sliding contact with the heating surface;
- a projection portion, beyond said base member toward said film, for guiding movement of said film;
- wherein said heater, said base member and said projecting portion provide a convex portion.
An image heating apparatus, comprising:
- a heater having a heating surface;
- a base member for supporting said heater;
- a heat-insulative holder for supporting said base member;
- a film movable with a recording material in sliding contact with the heating surface;
- wherein said holder has a channel-like portion, where said base member is supported.
Dependencies are inferred from the claim text.