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)
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:
Assignee:
THK CO LTD (JP)
International Classes:
F16H25/24; F16C29/06; F16H25/22
Foreign References:
| JPH09317839A | 1997-12-12 | |||
| JP2001041305A | 2001-02-13 | |||
| JP2013100865A | 2013-05-23 | |||
| JPH0643408U | 1994-06-10 |
Attorney, Agent or Firm:
INTECT INTERNATIONAL PATENT OFFICE et al. (JP)
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