US 12,189,331 B2
Positioning member, holding device, process cartridge, and image forming apparatus
Kazuki Yogosawa, Tokyo (JP); Tatsuya Kubo, Kanagawa (JP); Yuuki Tsuchiya, Kanagawa (JP); and Shinya Karasawa, Kanagawa (JP)
Assigned to RICOH COMPANY, LTD., Tokyo (JP)
Appl. No. 18/015,083
Filed by Kazuki Yogosawa, Tokyo (JP); Tatsuya Kubo, Kanagawa (JP); Yuuki Tsuchiya, Kanagawa (JP); and Shinya Karasawa, Kanagawa (JP)
PCT Filed Aug. 17, 2021, PCT No. PCT/IB2021/057539
§ 371(c)(1), (2) Date Jan. 9, 2023,
PCT Pub. No. WO2022/053895, PCT Pub. Date Mar. 17, 2022.
Claims priority of application No. 2020-152338 (JP), filed on Sep. 10, 2020; and application No. 2020-157218 (JP), filed on Sep. 18, 2020.
Prior Publication US 2023/0315006 A1, Oct. 5, 2023
Int. Cl. G03G 21/18 (2006.01); G03G 15/00 (2006.01); G03G 15/01 (2006.01); G03G 15/08 (2006.01); G03G 15/09 (2006.01); G03G 21/16 (2006.01)
CPC G03G 21/1842 (2013.01) [G03G 15/0121 (2013.01); G03G 15/0813 (2013.01); G03G 15/0935 (2013.01); G03G 15/751 (2013.01); G03G 15/757 (2013.01); G03G 21/1647 (2013.01); G03G 21/1671 (2013.01); G03G 21/1676 (2013.01); G03G 21/1814 (2013.01); G03G 21/1817 (2013.01); G03G 21/1821 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A positioner, comprising:
a receiver into which a projection of a first rotating body is to be rotatably fitted;
a groove having a groove shape extending in a predetermined direction from an opening to an abutting region, wherein a shaft of a second rotating body is to be slidably movable in the groove; and
a restrictor to restrict movement of the shaft in the predetermined direction in a state in which the shaft abuts on the abutting region in the groove,
wherein the restrictor is detachably disposed on the groove, and
wherein there is a gap between the first rotating body and the second rotating body such that there is a space between the first rotating body and the second rotating body along a line between a rotational axis of the first rotating body and the shaft of the second rotating body, and the first rotating body and the second rotating body do not contact each other.