Heat reflection using reflector in fixing device and image forming apparatus
First Claim
Patent Images
1. A fixing device comprising:
- a belt having a cylindrical shape;
a roller positioned to be in contact with an outer peripheral surface of the belt so as to form a nip between the roller and the belt;
a heater disposed within an inner circumference of the belt;
a reflector disposed within the inner circumference of the belt and in contact with the belt and configured to reflect heat generated by the heater toward an inner surface of the belt; and
a peeling unit configured to peel a sheet that has been fed into the nip and pressed against the belt by the roller,wherein the reflector is in contact with an overhanging portion of the belt which is located adjacent to the peeling unit.
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Abstract
A fixing device includes a belt having a cylindrical shape, a roller, a heater, and a reflector. The roller is positioned to be in contact with an outer peripheral surface of the belt so as to form a nip between the roller and the belt. The heater is disposed within an inner circumference the belt. The reflector is disposed within the inner circumference the belt and in contact with the belt and configured to reflect heat generated by the heater toward an inner surface of the belt.
8 Citations
18 Claims
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1. A fixing device comprising:
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a belt having a cylindrical shape; a roller positioned to be in contact with an outer peripheral surface of the belt so as to form a nip between the roller and the belt; a heater disposed within an inner circumference of the belt; a reflector disposed within the inner circumference of the belt and in contact with the belt and configured to reflect heat generated by the heater toward an inner surface of the belt; and a peeling unit configured to peel a sheet that has been fed into the nip and pressed against the belt by the roller, wherein the reflector is in contact with an overhanging portion of the belt which is located adjacent to the peeling unit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An image forming apparatus comprising:
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a cassette; and an image forming unit configured to form a toner image on a sheet supplied from the cassette, wherein the image forming unit includes a fixing unit configured to fix the toner image on the sheet, the fixing unit including a belt having a cylindrical shape, a roller positioned to be in contact with an outer peripheral surface of the belt so as to form a nip between the roller and the belt, a heater disposed within an inner circumference of the belt, a reflector disposed within the inner circumference of the belt and in contact with the belt and configured to reflect heat generated by the heater toward an inner surface of the belt, and a peeling unit configured to peel a sheet that has been fed into the nip and pressed against the belt by the roller, wherein the reflector is in contact with an overhanging portion of the belt which is located adjacent to the peeling unit. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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Specification