公开(公告)号：US20220099159A1

公开(公告)日：2022-03-31

申请号：US17428492

申请日：2020-01-15

Applicant: NSK Ltd.

Inventor： Ryou OOSAWA ,  Satoshi ISHIKURI ,  Haruhiko KIYOTA ,  Souta MATSUMOTO ,  Toru ISHII ,  Hiroyuki SUGAWARA

IPC: F16H1/16 ,  F16H57/022 ,  F16H57/12 ,  B62D5/04

Abstract: A worm reducer has: a housing having a wheel housing portion and a worm housing portion; a worm wheel; a worm, a support bearing having an inner ring externally fitted to the tip end portion of the worm and an outer ring; an elastic biasing means elastically biasing the outer ring toward the worm wheel side; and an elastic holding means elastically holding the outer ring from both sides in a direction orthogonal to a biasing direction by the elastic biasing means and to a center axis of the worm housing portion.