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    • 9. 发明授权
    • Safety device for a toner image fixing device
    • 调色剂图像定影装置的安全装置
    • US5890031A
    • 1999-03-30
    • US771533
    • 1996-12-23
    • Shogo YokotaToshiaki KagawaToshihiro TamuraYoshiya Kinoshita
    • Shogo YokotaToshiaki KagawaToshihiro TamuraYoshiya Kinoshita
    • G03G21/00G03G15/20
    • G03G15/2039G03G15/2017
    • Energy saving in a fixing unit having a low heat capacity is achieved by reducing a loss of heat transferring from a temperature sensing element to temperature sensing unit and by improving response of the safety device. A heat-insulating member is formed to cover a temperature fuse being a temperature sensing element and a heat-conductive filler or heat-conductive elastic member is formed between the temperature fuse and a sliding sheet. A temperature sensing means having the temperature sensing element abuts on a fixing roller through a sliding sheet interposed therebetween. A contacting portion of the temperature sensing means with the heat-insulating member and the filler or elastic member has a curved contacting surface fitting a cylindrical surface of the fixing roller. The heat-insulating member has a groove or a slit for engaging with a protrusion of the temperature sensing element to be secured to the heat-insulating member.
    • 具有低热容量的定影单元中的节能通过减少从温度感测元件传递到温度感测单元的传热损失以及改善安全装置的响应来实现。 形成绝热构件以覆盖作为温度感测元件的温度保险丝,并且在温度保险丝和滑动片之间形成导热填料或导热弹性构件。 具有温度感测元件的温度检测装置通过夹在其间的滑动片抵接在定影辊上。 温度感测装置与隔热构件和填料或弹性构件的接触部分具有与固定辊的圆柱形表面相配合的弯曲接触表面。 绝热构件具有用于与温度感测元件的突起接合以固定到隔热构件的槽或狭缝。