Patent ID: 8219000

Claim:
A roller device that can be exchangeably used in an image forming apparatus, comprising: a shaft, configured to have a rotation axis at a center thereof, including two shaft end portions; a roller, configured to cover the shaft along the rotation axis, including two roller ends from which the two shaft end portions are projected outwardly along the rotation axis; two grip members each rotatably disposed to a respective shaft end portion of the two shaft end portions via a roller attachment part; a plate member integrally formed with the two grip members to rotatably move the two grip members in conjunction with each other; two bearing members each attached to a corresponding one of the two shaft end portions at a position outside of the roller attachment part; and two fixing members each configured to fix one of the bearing members to a corresponding one of the two grip members, wherein each of the fixing members include an engaging portion disposed to an outer surface of one of the bearing members, and an engaged portion disposed to an outer surface of the corresponding one of the two grip members along the rotation axis and configured to be disposed to the engaging portion so as to fix the bearing member to the corresponding one of the two grip members when the bearing member is installed to one of the two shaft end portions.