US 11,740,584 B2
Image forming apparatus and method for producing drive unit
Yuichi Tanabe, Chiba (JP); and Yuki Kurosu, Chiba (JP)
Assigned to Canon Kabushiki Kaisha, Tokyo (JP)
Filed by CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed on Apr. 19, 2022, as Appl. No. 17/724,211.
Claims priority of application No. 2021-073857 (JP), filed on Apr. 26, 2021.
Prior Publication US 2022/0342361 A1, Oct. 27, 2022
Int. Cl. G03G 15/00 (2006.01); G03G 21/16 (2006.01)
CPC G03G 21/1671 (2013.01) [G03G 15/80 (2013.01); G03G 21/168 (2013.01); G03G 21/1619 (2013.01); G03G 21/1647 (2013.01); G03G 2221/1657 (2013.01)] 13 Claims
OG exemplary drawing
 
13. A method for producing a drive unit, the method comprising:
fixing a drive source and a third supporting portion to a first supporting portion, wherein the drive unit includes a support frame configured to support a rotary member, the drive source, a drive gear configured to transmit driving force of the drive source to the rotary member, the first supporting portion configured to support the drive source on a first side with respect to the first supportin portin in a rotational axis direction of the drive gear and configured to rotatably support the drive gear on a second side opposite to the first side with respect to the first supporting portion in the rotational axis direction of the drive gear, a second supporting portion configured to form a space for storing the drive gear with the first supporting portion and configured to support the drive gear with the first supporting portion, a board supporting member disposed in a manner that the board supporting member overlaps the first supporting portion when the board supporting member is viewed along the rotational axis direction of the drive gear and configured to support an electrical board, and the third supporting portion configured to support the board supporting member, one end of the third supporting portion being fixed to the first supporting portion, another end of the third supporting portion being fixed to the board supporting member by a second fastening member;
fixing the second supporting portion to the first supporting portion in a state where the drive gear is supported by the first supporting portion and the second supporting portion; and
fixing the board supporting member to the third supporting portion.