US 11,719,312 B2
Driving force transmitting apparatus, sheet conveyance apparatus, and image forming apparatus
Yusuke Kai, Kanagawa (JP); and Masaaki Takeuchi, Tokyo (JP)
Assigned to Canon Kabushiki Kaisha, Tokyo (JP)
Filed by CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed on Jul. 22, 2021, as Appl. No. 17/382,925.
Claims priority of application No. 2020-129318 (JP), filed on Jul. 30, 2020.
Prior Publication US 2022/0034384 A1, Feb. 3, 2022
Int. Cl. F16H 3/44 (2006.01); B65H 5/06 (2006.01)
CPC F16H 3/44 (2013.01) [B65H 5/062 (2013.01); B65H 2403/481 (2013.01); B65H 2403/92 (2013.01); B65H 2404/166 (2013.01); B65H 2801/06 (2013.01); F16H 2003/442 (2013.01); F16H 2312/09 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A driving force transmitting apparatus comprising:
a first planetary gear unit including a first locked gear provided with a plurality of first locked portions, and including a first mesh gear;
a second planetary gear unit including a second locked gear provided with a plurality of second locked portions, and including a second mesh gear configured to mesh with the first mesh gear;
a rotation switching member including a first locking portion and a second locking portion, wherein the rotation switching member is capable of moving to (i) a first stop position at which the first locking portion locks one of the plurality of first locked portions to stop the first locked gear, and (ii) a second stop position at which the second locking portion locks one of the plurality of second locked portions to stop the second locked gear; and
an urging member configured to urge the rotation switching member to the second stop position,
wherein an interval between the plurality of second locked portions in a rotational direction of the second locked gear is larger than an interval between the plurality of first locked portions in a rotational direction of the first locked gear.