发明授权
US09405246B2 Fixing device comprising heating stop device to stop heat source from heating fixing belt and image forming apparatus including same 有权
固定装置包括加热停止装置,以阻止来自加热定影带的热源和包括其的图像形成装置

Fixing device comprising heating stop device to stop heat source from heating fixing belt and image forming apparatus including same
摘要:
A fixing device includes a fixing belt, a pressuring member, a heat source, a pressing member and a first heating stop device. The fixing belt is provided to be rotatable around a rotation axis. The pressuring member is configured to be rotatable and to come into pressure contact with the fixing belt so as to form a fixing nip. The heat source is arranged at an inner diameter side of the fixing belt, provided at a position displaced from the rotation axis and configured to heat the fixing belt. The pressing member is configured to press the fixing belt to a side of the pressuring member. The first heating stop device is configured to face an outer circumferential face of a closest part to the heat source of the fixing belt and to operate at a first operating temperature so as to stop the heat source from heating the fixing belt.
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