| 摘要 |
<P>PROBLEM TO BE SOLVED: To improve positional accuracy of the rotation center of a rotor while suppressing an increase in cost. <P>SOLUTION: There is provided a detachable unit (U2) comprising: a bearing member (17) having a positioned member (14) positioned and supported by a unit body (11) attached to and detached from a body (U1) of an image forming apparatus, a rotor (PR) supported by the unit body (11), a contact part (34a) supported at an end part of the rotor (PR), a rotating shaft (1) supported by the body (U1) of the image forming apparatus and an outer ring (17a) fixedly supported to the positioned member (14); a holder which has a contacted part (22a) with which the contact part (34a) can come into contact and a biasing member (23) for biasing the contacted part (22a) to the contact part (34a) side, a holder (19) supported by the positioned member (14); and a holding part (16c) for holding a held part (34) of the rotor (PR) in a state before the unit body (U2) is mounted. <P>COPYRIGHT: (C)2013,JPO&INPIT |
