| 主权项 |
1. A fixing device for fixing a toner to a recording medium, comprising:
a rotary member rotatable about an axis of rotation of the rotary member; a bearing disposed around an end part of the rotary member; and a bearing holder configured to hold the bearing, wherein the bearing has an outer circumferential surface with a flat portion and a bearing groove, the bearing groove has a bottom surface, a first side surface, and a second side surface, the first side surface of the bearing groove is capable of being in contact with the bearing holder, the second side surface of the bearing groove is capable of being in contact with the bearing holder, the bearing holder has:
a first contact surface in contact with the first side surface of the bearing groove; anda second contact surface in contact with the second side surface of the bearing groove;a connecting surface that connects the first contact surface to the second contact surface, the connecting surface is in contact with the bottom surface, the bearing holder engages with the bearing groove such that
the first contact surface has a first abutting part that is in contact with the first side surface, andthe second contact surface has a second abutting part that is in contact with the second side surface, the bearing groove further has:
a first rim defined by the first side surface and the flat portion; anda second rim defined by the second side surface and the flat portion, the bearing holder is in contact with the bearing at at least the first and second rims of the bearing groove, and at least one of the first contact surface and the second contact surface is out of contact with the bearing groove between the connecting surface and at least one of the first and second abutting parts. |
