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Patent Searching and Data


Title:
ELECTRIC ACTUATOR
Document Type and Number:
WIPO Patent Application WO/2019/059298
Kind Code:
A1
Abstract:
An electric actuator 1 is provided with: an electric motor unit 4; a stationary member 6; a speed reducer 5 which transmits the rotation of the electric motor unit; an input rotating body 2 into which a driving force is input from outside; and an output rotating body 3 which is coupled to the speed reducer 5 and is capable of rotating relative to the input rotating body 2. The speed reducer 5 is provided with an internal gear 16 which performs an eccentric rotating motion relative to a center O of the output rotating body 3, and a support member 15 which is driven in rotation by the electric motor unit 4 and supports the internal gear 16. The support member 15 is supported by a pair of rolling bearings 17, 18, and a preload is applied to the pair of rolling bearings 17, 18.

Inventors:
ISHIKAWA Shintarou (1578 Higashikaizuk, Iwata-shi Shizuoka 10, 〒4388510, JP)
ABE Katsufumi (1578 Higashikaizuk, Iwata-shi Shizuoka 10, 〒4388510, JP)
NAKATSUJI Yuta (1578 Higashikaizuk, Iwata-shi Shizuoka 10, 〒4388510, JP)
Application Number:
JP2018/034872
Publication Date:
March 28, 2019
Filing Date:
September 20, 2018
Export Citation:
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Assignee:
NTN CORPORATION (3-17, Kyomachibori 1-chome Nishi-ku, Osaka-sh, Osaka 03, 〒5500003, JP)
International Classes:
F16C35/063; F01L1/352; F16C19/16; F16C19/56; F16C25/08; F16H1/32; H02K7/116
Foreign References:
JP2016211443A2016-12-15
JP2015059519A2015-03-30
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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