ELECTRICALLY DRIVEN ACTUATOR - NTN TOYO BEARING CO LTD

Title:

ELECTRICALLY DRIVEN ACTUATOR

Document Type and Number:

WIPO Patent Application WO/2017/163908

Kind Code:

A1

Abstract:

Provided is an electrically driven actuator 1 comprising a housing 2 in which a motor A and a motion conversion mechanism B are accommodated and held. The motion conversion mechanism B has: a threaded shaft 33 disposed coaxially with the center of rotation of a rotor 24; and a nut member 32 rotatably fitted on the outer periphery of the threaded shaft 33. The electrically driven actuator 1 is configured such that the axial rectilinear movement of the threaded shaft 33 caused by the rotation of the nut member 32 causes an operation section D mounted to the threaded shaft 33 to axially operate an object to be operated. A terminal section D (terminal body 50) which holds an electrical component has a cylindrical section 50A gripped from both axial sides by members constituting the housing 2. An opening 50c providing communication between the inside and outside of the housing 2 is provided in the cylindrical section 50A. The threaded shaft 33 is formed in a hollow shape having an axially extending through-hole 33c.

Inventors:

MATSUTOU TAKUSHI (JP)
IKEDA YOSHINORI (JP)
NAITOU YUUKI (JP)

Application Number:

PCT/JP2017/009524

Publication Date:

September 28, 2017

Filing Date:

March 09, 2017

Export Citation:

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Assignee:

NTN TOYO BEARING CO LTD (JP)

International Classes:

H02K7/06; F16D65/18; F16H25/20

Foreign References:

JPH1172155A	1999-03-16
JP2003329070A	2003-11-19
US20050269887A1	2005-12-08
US4521707A	1985-06-04

Other References: