| 摘要 |
<P>PROBLEM TO BE SOLVED: To improve accuracy of positioning a rotor with respect to a frame body. <P>SOLUTION: An image forming apparatus (U) includes: a frame body (13) provided with a bearing support part (26) capable of holding a bearing member (27) and parts to be fixed (52 and 52') arranged on a virtual straight line (S2) orthogonal to a direction of an external force acting on a rotor (PR) in a section orthogonal to a shaft (1), the parts to be fixed (52 and 52') opposing across the shaft (1), the frame body (13) being arranged at an end in an axial direction; play regulation members (46, 49a, 49b, 46', and 49') arranged on a virtual straight line (S1) extending along the direction of the external force, the play regulation members (46, 49a, 49b, 46', and 49') opposing across the shaft (1) for regulating play by being held by the frame body (13) and being brought into contact with the bearing member (27); and a fixing member (26) held by the bearing member (27) and arranged corresponding to the parts to be fixed (52 and 52') to be fixed to the parts to be fixed (52 and 52'). <P>COPYRIGHT: (C)2013,JPO&INPIT |
