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Patent Searching and Data


Title:
ELECTRICALLY DRIVEN ACTUATOR
Document Type and Number:
WIPO Patent Application WO/2018/088143
Kind Code:
A1
Abstract:
Provided is an electrically driven actuator 1 comprising an electric motor section A, a motion conversion mechanism section B, and a housing 8 in which the electric motor section A and the motion conversion mechanism section B are accommodated, the motion conversion mechanism section B having a threaded shaft 93 and a nut 92 which is fitted on the outer periphery of the threaded shaft 93 and which is rotatably supported relative to the housing 8 through a rolling bearing 9, the threaded shaft 93 moving axially forward and backward as the nut 92 rotates, wherein a third housing-forming member 83 of a plurality of housing-forming members which form the housing 8 is formed from an iron-based metallic material and has a load-receiving surface 83a which is in axial contact with the rolling bearing 9 to receive a thrust load acting on the rolling bearing 9.

Inventors:
MATSUTOU Takushi (1578 Higashikaizuk, Iwata-shi Shizuoka 10, 〒4388510, JP)
USHIDA Kimihito (1578 Higashikaizuk, Iwata-shi Shizuoka 10, 〒4388510, JP)
KAWAI Masahiro (1578 Higashikaizuk, Iwata-shi Shizuoka 10, 〒4388510, JP)
KATO Akio (1578 Higashikaizuk, Iwata-shi Shizuoka 10, 〒4388510, JP)
Application Number:
JP2017/037564
Publication Date:
May 17, 2018
Filing Date:
October 17, 2017
Export Citation:
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Assignee:
NTN CORPORATION (3-17, Kyomachibori 1-chome Nishi-ku, Osaka-sh, Osaka 03, 〒5500003, JP)
International Classes:
H02K7/08; F16H13/08; F16H25/20; F16H35/10; H02K5/173; H02K7/06
Foreign References:
JP2014232034A2014-12-11
Attorney, Agent or Firm:
SHIROMURA Kunihiko et al. (Ehara Patent Office, 2-15 Bakurou-machi 4-chome, Chuo-ku, Osaka-sh, Osaka 59, 〒5410059, JP)
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