Title:
ELECTRIC ACTUATOR
Document Type and Number:
WIPO Patent Application WO/2018/051881
Kind Code:
A1
Abstract:
This electric actuator 1 comprises: a motor 7; a motion conversion mechanism 11 that converts rotational motion generated by driving of the motor 7 into linear motion; and a case 12 that has the motion conversion mechanism 11 housed therein. The motion conversion mechanism 11 has: a linear motion unit 31; and a rotation unit 30 that is disposed on the outer periphery of the linear motion unit 31. The rotation unit 30 is supported by two bearings 13, 14 that are disposed separate in the center axial direction thereof. The two bearings 13, 14 are attached to an isodiametric cylindrical surface 37 that is provided to the inner periphery of the case 12 and has a constant inner diameter.
Inventors:
SHIMIZU TATSUNORI (JP)
Application Number:
PCT/JP2017/032246
Publication Date:
March 22, 2018
Filing Date:
September 07, 2017
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD (JP)
International Classes:
F16H25/20; F16H1/28; F16H25/24; H02K7/06
Domestic Patent References:
| WO2016017458A1 | 2016-02-04 | |||
| WO2016140162A1 | 2016-09-09 |
Attorney, Agent or Firm:
SHIROMURA Kunihiko et al. (JP)
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