公开(公告)号：US11536348B2

公开(公告)日：2022-12-27

申请号：US16638472

申请日：2018-07-24

Applicant: KYB Corporation

Inventor： Takaya Yagyu

IPC: F16H1/16 ,  F16H57/022 ,  B62D5/04 ,  F16H57/021

Abstract: A power steering device includes a bearing rotatably supporting the tip side of a worm shaft, a gear case provided with the housing hole for housing the worm shaft and a holder housing the bearing. The holder includes a first holder holding the bearing, a second holder having the guide part configured to guide a movement of the second bearing toward a worm wheel, and a spring provided in a compressed state between the first holder and the second holder and configured to bias the first holder toward the worm wheel. The second holder includes a holder opening part configured to allow the bearing and the first holder to pass through thereof in the guiding direction of the guide part to guide the bearing, and the first holder faces an inner peripheral surface of the housing hole through the holder opening part.

公开(公告)号：US11192577B2

公开(公告)日：2021-12-07

申请号：US16638474

申请日：2018-07-24

Applicant: KYB Corporation

Inventor： Takaya Yagyu

IPC: B62D5/04 ,  F16H1/16 ,  F16H57/021 ,  F16H57/12

Abstract: A power steering device includes a bearing configured to rotatably support the tip side of a worm shaft, the gear case housing the worm shaft and a holder housed in a housing hole provided in the gear case and configured to house the second bearing. The holder includes the first holder having a holding part configured to hold the outer periphery of the bearing and the opening part configured to expose a part of the outer periphery of the bearing, the second holder having a guide part configured to guide a movement of the bearing toward a worm wheel as the outer periphery of the bearing comes into contact with the guide part through the opening part and a spring configured to bias the bearing toward the worm wheel via the first holder.