公开(公告)号：US20210379950A1

公开(公告)日：2021-12-09

申请号：US17288299

申请日：2019-09-30

Applicant: KYB Corporation

Inventor： Hirotomo WATANABE ,  Takuhiro KONDO ,  Shigeo WATAYA

IPC: B60G17/015 ,  F16F1/12

Abstract: A vehicle height adjustment device of the present invention includes a motion conversion unit that includes a rotating member and a linear motion member, and that converts a rotational motion of the rotating member into a linear motion of the linear motion member, a plurality of motors, a driven gear coupled to the rotating member, a plurality of drive gears that meshes with the driven gear, and a spring seat that is coupled to the linear motion member, and that supports one end of a suspension spring interposed between a vehicle body and an axle of a vehicle, wherein after driving the spring seat and then stopping the spring seat, some drive gears of the drive gears are driven in a direction opposite a drive direction of the spring seat.