Fixing device
AssigneeBrother Kogyo Kabushiki Kaisha
InventorMasahito Kajita
Life of this patent
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Abstract
A fixing device including a heating element and a pressure element, for fixing a developer image transferred onto a recording sheet is provided. The pressure element is configured to be positioned selectively in two or more pressing positions defined relative to the heating element. The pressure element in any one of the pressing positions is configured to be pressed against the heating element. A plurality of interrupter elements are provided opposite to the heating element. Each of the interrupter elements is configured to sense a temperature of the heating element and to interrupt a flow of electrical current to a heat source for heating the heating element when the temperature is not lower than a predetermined threshold value. The interrupter elements are arranged in positions corresponding to the pressing positions.
Claims9
A fixing device for fixing a developer image transferred onto a recording sheet, the fixing device comprising:
- a heating element configured to be heated by a heat source;
- a pressure element configured to be positioned selectively in two or more pressing positions defined relative to the heating element, wherein the pressure element in any one of the pressing positions is configured to be pressed against the heating element;
- and
- a plurality of interrupter elements provided opposite to the heating element, each of the interrupter elements being configured to sense a temperature of the heating element and to interrupt a flow of electrical current to the heat source when the temperature is not lower than a predetermined threshold value,
- wherein the interrupter elements are arranged in positions corresponding to the pressing positions.
Dependencies are inferred from the claim text.