ACTUATOR AND ACTUATOR FOR OPENING/CLOSING VEHICLE DOOR

Title:

ACTUATOR AND ACTUATOR FOR OPENING/CLOSING VEHICLE DOOR

Document Type and Number:

WIPO Patent Application WO/2017/022503

Kind Code:

A1

Abstract:

This actuator comprises: a tubular yoke (31); an armature (130) that is provided on the inner side of the yoke (31) in the radial direction, and that is provided so as to be rotatable relative to the yoke (31); a screw shaft (60) that is rotated and driven by receiving rotary force of a shaft (33) of the armature (130); a speed reduction gear part (50) that is provided between the shaft (33) and the screw shaft (60), and that reduces the rotation speed of the shaft (33); and a nut member that is cooperatively coupled to the screw shaft (60), and that moves along the axial direction of the screw shaft (60) in association with the rotation of the screw shaft (60). An internal gear (51) of the speed reduction gear part (50) is provided on the inner circumferential surface (31f) of the yoke (31), and a bearing (38B) for rotatably supporting the shaft (33) is provided to the internal gear (51).

Inventors:

TAKIZAWA TAKASHI (JP)
IKEDA TAKAYUKI (JP)
SEKINE YOSHITAKA (JP)
ISHIKAWA MASAZUMI (JP)

Application Number:

PCT/JP2016/071402

Publication Date:

February 09, 2017

Filing Date:

July 21, 2016

Export Citation:

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Assignee:

MITSUBA CORP (JP)

International Classes:

E05F15/622; B60J5/10; F16H1/32; F16H25/20

Foreign References:

DE102012014135A1	2014-01-23
JPS5853857U	1983-04-12

Other References: