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Title:
ELECTRIC ACTUATOR
Document Type and Number:
WIPO Patent Application WO/2021/075217
Kind Code:
A1
Abstract:
An electric actuator provided with: an electric motor 2; a speed reducer 3 that reduces the rotation of the electric motor 2 and outputs the same; a screw shaft 7 that is rotated by the output from the speed reducer 3; a bearing 9 supporting the screw shaft 7 in a rotatable manner; and a housing accommodating the electric motor 2, the speed reducer 3, the screw shaft 7, and the bearing 9. The electric motor 2, the speed reducer 3, and the bearing 9 are coupled to each other by means of mating parts 16b, 26a, 26b, and 18f, which restrict radial movement between the electric motor 2, the speed reducer 3, and the bearing 9.

Inventors:
ISHIKAWA SHINTAROU (JP)
SATO KOJI (JP)
SAITO TAKAHIDE (JP)
Application Number:
PCT/JP2020/035793
Publication Date:
April 22, 2021
Filing Date:
September 23, 2020
Export Citation:
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Assignee:
NTN TOYO BEARING CO LTD (JP)
International Classes:
F16H1/28; F16H25/24; F16H57/023; H02K7/116
Foreign References:
JP2019058031A2019-04-11
JP2019097382A2019-06-20
JP2013221622A2013-10-28
JP2017005826A2017-01-05
JP2012067771A2012-04-05
JP2018166395A2018-10-25
JPH10311384A1998-11-24
Attorney, Agent or Firm:
SHIROMURA Kunihiko et al. (JP)
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