Title:
ELECTRIC ACTUATOR
Document Type and Number:
WIPO Patent Application WO/2018/051873
Kind Code:
A1
Abstract:
This electric actuator (1) comprises: a motor (7); a motion conversion mechanism (11) that converts rotating motion generated by motor (7) drive into linear motion; and a case (12) having the motion conversion mechanism (11) housed therein. The motion conversion mechanism (11) has: a linear motion unit (31); and a rotation unit (30) arranged on the outer circumference of the linear motion unit (31). The rotation unit (30) is supported by two bearings (13, 14) arranged separated in the center line direction thereof. The two bearings (13, 14) are attached to an isodiametric cylindrical surface (37) having a constant internal diameter, provided on the inner circumference of the case (12).
Inventors:
SHIMIZU TATSUNORI (JP)
Application Number:
PCT/JP2017/032225
Publication Date:
March 22, 2018
Filing Date:
September 07, 2017
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD (JP)
International Classes:
F16H25/20
Foreign References:
| JP2013096536A | 2013-05-20 | |||
| JP2015172436A | 2015-10-01 | |||
| JP2013234735A | 2013-11-21 | |||
| US20020148672A1 | 2002-10-17 |
Attorney, Agent or Firm:
SHIROMURA Kunihiko et al. (JP)
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