Title:
ELECTRICALLY DRIVEN CYLINDER
Document Type and Number:
WIPO Patent Application WO/2019/235051
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide an electrically driven cylinder which does not require the supply of a lubricant over a long period. This electrically driven cylinder (100) is provided with a screw mechanism (50) for converting the rotational motion of an electric motor (10) into a rectilinear motion, a rod (36) reciprocated by the rectilinear motion of the screw mechanism (50), bush members (60a, 60b) for limiting the rocking of the rod (36), and a key member (70) inserted into a rod groove (37) to limit the rotation of the rod (36), the rod groove (37) being provided in the axial direction of the rod (36). A lubricant is sealed in the screw mechanism (50), the bush members (60a, 60b) have a plurality of holes filled with a lubricant, and the key member (70) has a plurality of holes filled with a lubricant.
Inventors:
MURASE SEIICHI (JP)
ISHIDA YUU (JP)
KONDO TAKEMASA (JP)
ISHIDA YUU (JP)
KONDO TAKEMASA (JP)
Application Number:
PCT/JP2019/014858
Publication Date:
December 12, 2019
Filing Date:
April 03, 2019
Export Citation:
Assignee:
SINTOKOGIO LTD (JP)
International Classes:
F16H25/24; F16H25/20; H02K7/06
Foreign References:
| JP2012147605A | 2012-08-02 | |||
| JPH11166608A | 1999-06-22 | |||
| JP2007231987A | 2007-09-13 | |||
| JPS5822551U | 1983-02-12 | |||
| CN206429510U | 2017-08-22 |
Attorney, Agent or Firm:
SONODA & KOBAYASHI INTELLECTUAL PROPERTY LAW (JP)
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