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    • 5. 发明授权
    • Image forming apparatus having transfer material bearing member
    • 图像形成装置具有转印材料承载部件
    • US5539507A
    • 1996-07-23
    • US167141
    • 1993-12-16
    • Toshiaki MiyashiroHiroshi SasameTatsuya KobayashiTakehiko Suzuki
    • Toshiaki MiyashiroHiroshi SasameTatsuya KobayashiTakehiko Suzuki
    • G03G15/01G03G15/16G03G15/14
    • G03G15/1685G03G15/0131G03G2215/0174G03G2215/1619
    • The present invention provides an image forming apparatus with an image bearing member for bearing an image, and a transfer material bearing member rotatable for bearing a transfer material. The image on the image bearing member is transferred onto the transfer material born by the transfer material bearing member at a transfer position, and a voltage is applied to the transfer material bearing member during the transferring of the transfer material. When a distance between the transfer position and a separation position where the transfer material is separated from the transfer material bearing member along a peripheral surface of the transfer material bearing member in a rotational direction of the transfer material bearing member is L, a whole circumferential length of the transfer material bearing member is L1 and a maximum length of the transfer material usable in the image forming apparatus in the rotational direction of the transfer material bearing member is Hmax, a relation L.ltoreq.(L1-Hmax) is satisfied.
    • 本发明提供一种图像形成装置,具有用于承载图像的图像承载部件和可转动地承载转印材料的转印材料轴承部件。 图像承载部件上的图像在转印位置被转印到由转印材料承载部件承载的转印材料上,并且在转印材料的转印期间将电压施加到转印材料承载部件。 当转印位置与转印材料沿着转印材料承载部件的周面沿转印材料承载部件的旋转方向与转印材料承载部件分离的分离位置之间的距离为L时,整个周长 转印材料承载部件的转印材料的最大长度为Lmax,转印材料承载部件的旋转方向上可用于转印材料的转印材料的最大长度为Hmax,满足关系式L <=(L1-Hmax)。