US 12,438,415 B2
Transmission-equipped motor
Kenji Suzuki, Kanagawa (JP); Keita Matsuzaka, Kanagawa (JP); and Jun Suzuki, Kanagawa (JP)
Assigned to KYB CORPORATION, Tokyo (JP)
Appl. No. 18/002,727
Filed by KYB Corporation, Tokyo (JP)
PCT Filed Jun. 18, 2021, PCT No. PCT/JP2021/023164
§ 371(c)(1), (2) Date Dec. 21, 2022,
PCT Pub. No. WO2022/014256, PCT Pub. Date Jan. 20, 2022.
Claims priority of application No. 2020-120765 (JP), filed on Jul. 14, 2020.
Prior Publication US 2023/0246519 A1, Aug. 3, 2023
Int. Cl. F16D 1/02 (2006.01); F16H 1/46 (2006.01); H02K 7/116 (2006.01)
CPC H02K 7/116 (2013.01) [F16D 1/02 (2013.01); F16H 1/46 (2013.01)] 5 Claims
OG exemplary drawing
 
1. A transmission-equipped motor, comprising:
a motor having a motor shaft which is rotationally driven; and
a transmission having a drive shaft connected to the motor shaft, the transmission being configured to shift and output the rotation of the motor shaft transmitted through the drive shaft, wherein:
one of the motor shaft of the motor and the drive shaft of the transmission has an engaging portion formed at an end portion thereof, and the other of the motor shaft of the motor and the drive shaft of the transmission has an engaging recess formed on an end surface thereof and engaged with the engaging portion;
the engaging portion is a spline portion formed on the outer periphery of the one of the motor shaft and the drive shaft; and
a contact portion is provided on the outer periphery of an incomplete spline portion of the spline portion, the contact portion being in contact with the end surface of the other of the motor shaft and the drive shaft on which the engaging recess is formed to position the motor shaft and the drive shaft.