A first end portion (21a) of a worm shaft (21) and a first bearing (22) that supports the first end portion (21a) are housed in a first end housing portion in a housing (20). The first end portion (21a) is urged toward a worm wheel (24) by an urging member (25). A rotation regulation portion housing recess (80) is formed in a portion that defines the first end housing portion on an inner surface (20a) of the housing (20). An elastic member (60) includes an arc-shaped buffer portion (61) that is interposed between the portion that defines the inner surface (20a) and an outer peripheral surface of the first bearing (22), and a rotation regulation portion (62) that extends from the buffer portion (61) and is housed in the rotation regulation portion housing recess (80). The rotation regulation portion (62) includes a hollow portion which suppresses load transmission from the rotation regulation portion (62) to the buffer portion (61) during rotation regulation.
WORM REDUCER AND ELECTRIC POWER STEERING SYSTEM
SCHNECKENGETRIEBE UND ELEKTRISCHES SERVOLENKSYSTEM
RÉDUCTEUR À VIS SANS FIN ET SYSTÈME DE DIRECTION ASSISTÉE ÉLECTRIQUE
2020-06-10
Patent
Elektronische Ressource
Englisch
METHOD FOR MANUFACTURING WORM REDUCER, WORM REDUCER, AND ELECTRIC POWER STEERING SYSTEM
Europäisches Patentamt | 2018
|METHOD FOR MANUFACTURING WORM REDUCER, WORM REDUCER, AND ELECTRIC POWER STEERING DEVICE
Europäisches Patentamt | 2018
|