Patent ID: 8126364
Filing Date: 2012-02-28
Classification: G03G

Abstract:
1. An endless member drive apparatus comprising: an endless member that has plane surfaces and rotates by receiving a drive force; a drive support member that supports and drives the endless member; a rotatable support member that includes a rotation shaft, and that supports the endless member; a bearing member that includes: wherein the rotatable support member is moved and positioned by using a force that, in a case where the endless member is rotated, is applied to the rotatable support member, and that goes in the intersecting direction; a positioned portion that is supported on the rotation shaft of the rotatable support member, wherein the bearing portion has a hole portion that extends in the intersecting direction, and that supports the rotatable support member in contact with the outer periphery of the positioned portion so as to support the rotatable support member movably, and the positioning portion has a surface inclined outwardly in an axial direction along the rotation shaft of the rotatable support member, and outwardly in a diameter direction of the rotation shaft of the rotatable support member.