Patent ID: 9316968
Filing Date: 2016-04-19
CPC Classification: G03G

Claim Text:
1. A fixing device comprising: a fixing rotary body rotatable in a predetermined direction of rotation; a heater configured to heat the fixing rotary body; an opposed body contacting the fixing rotary body to form a fixing nip therebetween through which a recording medium is conveyed; a heat shield movable in a circumferential direction of the fixing rotary body and configured to shield lateral ends of the fixing rotary body from the heater when in a shield position; a driver connected to the heat shield to drive and move the heat shield within a circumferential moving span in the circumferential direction of the fixing rotary body, wherein a circumferential portion of a lateral end of the fixing rotary body remains unshielded in the shield position; and an abnormal temperature detector configured to detect an abnormal temperature of the fixing rotary body the abnormal temperature detector disposed in an area across the circumferential portion of the lateral end of the fixing rotary body with respect to the heater.