公开(公告)号：US10890243B2

公开(公告)日：2021-01-12

申请号：US16388895

申请日：2019-04-19

Applicant: MITSUBA Corporation

Inventor： Kenji Sakata ,  Hiroyuki Yoshida ,  Satoru Yoshida

IPC: F16H1/16 ,  F16H57/021 ,  F16C21/00 ,  H02K7/08 ,  H02K7/116 ,  F16H57/02

Abstract: The motor with deceleration mechanism includes: a motor shaft (11), which is accommodated in a motor case (21) and in which an axial end portion (11a) is formed into a spherical shape; a worm, arranged on the motor shaft (11); a worm wheel, accommodated in a gear frame and engaging with the worm; a radial bearing (41), rotatably supporting the motor shaft (11); and a first thrust bearing (42), which is disposed inside the motor case (21), and in which a shaft facing surface (42s) facing the axial end portion (11a) of the motor shaft (11) and a counter shaft facing surface (42c) on the opposite side are respectively formed spherically; an average sliding radius between the first thrust bearing (42) and the motor case (21) is larger than an average sliding radius between the first thrust bearing (42) and the motor shaft (11).