公开(公告)号：US11965582B2

公开(公告)日：2024-04-23

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 ,  B62D5/04 ,  F16H57/022 ,  F16H57/12

CPC classification number: F16H1/16 ,  B62D5/0409 ,  B62D5/0454 ,  F16H57/022 ,  F16H57/12 ,  F16H2057/127

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.