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Patent Searching and Data


Title:
ACTUATOR
Document Type and Number:
WIPO Patent Application WO/2017/061232
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing an actuator (1) with which a lubricant can easily be supplied to a rolling element between a raceway member and moving member and a rolling element between a screw shaft and nut member and which can be produced at low cost by suppressing production costs. As a means of solving the problem, in a moving member (20) of the actuator (1), a nut member (22) in which a loaded rolling element rolling groove for a screw, said groove corresponding to a rolling element rolling groove (31) for a screw on a screw shaft (30), is formed is fitted into a through-hole (21) of the moving member (20), the nut member (22) is mounted via a flange member (23) that is mounted to one end of the moving member (20) in the length direction, and the flange member (23) is provided with a lubricant supply means (60) that supplies a lubricant between a rolling element rolling groove (16) of a raceway member (10) and a loaded rolling element rolling groove (24a) of the moving member (20) and to the rolling element rolling groove (31) for a screw.

Inventors:
HOMMA KAZUTO (JP)
HASEBE KENICHI (JP)
MAEDA TOSHIHISA (JP)
SAKAI JUNICHI (JP)
MAKI NOBUYUKI (JP)
HOSHIDE KAORU (JP)
Application Number:
PCT/JP2016/076589
Publication Date:
April 13, 2017
Filing Date:
September 09, 2016
Export Citation:
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Assignee:
THK CO LTD (JP)
International Classes:
F16H25/24; F16C29/06; F16H25/22
Foreign References:
JPH09317839A1997-12-12
JP2001041305A2001-02-13
JP2013100865A2013-05-23
JPH0643408U1994-06-10
Attorney, Agent or Firm:
INTECT INTERNATIONAL PATENT OFFICE et al. (JP)
Patent business corporation Intect International Patent Office (JP)
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