US 12,111,605 B2
Image forming apparatus with movable joint cam, and rotator
Wataru Yamaguchi, Nisshin (JP); and Daisuke Ishizuka, Nagoya (JP)
Assigned to BROTHER KOGYO KABUSHIKI KAISHA, Nagoya (JP)
Filed by BROTHER KOGYO KABUSHIKI KAISHA, Nagoya (JP)
Filed on Dec. 15, 2022, as Appl. No. 18/066,742.
Claims priority of application No. 2021-214945 (JP), filed on Dec. 28, 2021; and application No. 2022-010951 (JP), filed on Jan. 27, 2022.
Prior Publication US 2023/0205127 A1, Jun. 29, 2023
Int. Cl. G03G 21/16 (2006.01); G03G 21/18 (2006.01)
CPC G03G 21/1647 (2013.01) [G03G 21/1619 (2013.01); G03G 21/1633 (2013.01); G03G 21/1857 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An image forming apparatus, comprising:
a cartridge having a cartridge-side coupling;
a main body configured to have the cartridge detachably attached thereto, the main body having:
a body-side coupling movable between a connecting position, at which the body-side coupling is connected with the cartridge-side coupling, and a separated position, at which the body-side coupling is separated from the cartridge-side coupling;
a joint cam movable between a first position, at which the joint cam locates the body-side coupling at the connecting position, and a second position, at which the joint cam locates the body-side coupling at the separated position; and
a rotator configured to receive a driving force from a motor, the rotator having a dent, the dent allowing entry of an end portion of the joint cam there-into when the joint cam is located at the first position.