Title:
ELECTRIC ACTUATOR
Document Type and Number:
WIPO Patent Application WO/2020/004371
Kind Code:
A1
Abstract:
This electric actuator is provided with an electric motor (5), and a motion converting mechanism (4) which converts a rotating motion of the electric motor (5) into linear motion, wherein the motion converting mechanism (4) includes a nut (17) which is supported rotatably, and a screw shaft (18) which moves in an axial direction in conjunction with rotation of the nut (17), and the electric actuator is provided with a case (20) covering an axial-direction end surface (18b) of the screw shaft (18), and wherein a resilient member (30) is provided between the axial-direction end surface (18b) of the screw shaft (18) and an opposing surface (20b) of the case (20), opposing the axial-direction end surface (18b).
Inventors:
HIRANO SHINSUKE (JP)
IKEDA YOSHINORI (JP)
SHIMIZU TATSUNORI (JP)
IKEDA YOSHINORI (JP)
SHIMIZU TATSUNORI (JP)
Application Number:
PCT/JP2019/025102
Publication Date:
January 02, 2020
Filing Date:
June 25, 2019
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD (JP)
International Classes:
F16H25/20; F16H25/24; H02K7/06
Foreign References:
| JP2018074791A | 2018-05-10 | |||
| JP2009156354A | 2009-07-16 |
Attorney, Agent or Firm:
SHIROMURA Kunihiko et al. (JP)
Download PDF: