| 摘要 |
A fixing apparatus comprises a forcibly rotated heat roller, a pressing roller rotated in contact with the heat roller, a roller shaft for supporting the pressing roller, a heater for heating the heat roller, a pair of plain bearings for supporting the roller shaft, and springs for supporting each plain bearing and urging the plain bearing towards the heat roller. According to one mode, each plain bearing has a shaft contact portion having an axial length less than that of the plain bearing. According to another mode, the roller shaft is provided with a bearing contact portion having an axial length less than that of the body of the plain bearing. |
