Title:
ELECTRIC LINEAR ACTUATOR
Document Type and Number:
WIPO Patent Application WO/2022/173010
Kind Code:
A1
Abstract:
The present invention improves responsiveness of electric linear actuators. According to an embodiment of the present invention, an electric linear actuator is provided, which comprises: an outer cylinder; an electric motor attached to the outer cylinder; a ball screw for converting rotational motion outputted from the electric motor into linear motion in a prescribed direction; and a ball spline for transmitting only the linear motion in the prescribed direction. The ball screw includes a screw shaft coupled to a shaft of the electric motor, and a first nut attached to the outer cylinder and engaged with the screw shaft. The ball spline includes a spline shaft connected to the first nut, and a second nut attached to the outer cylinder and engaged with the spline shaft.
More Like This:
| WO/2001/063730 | CYLINDER SERVOMOTOR |
| JP4246786 | Single axis robot |
Inventors:
MURAUCHI KAZUHIRO (JP)
Application Number:
PCT/JP2022/005453
Publication Date:
August 18, 2022
Filing Date:
February 10, 2022
Export Citation:
Assignee:
KOKUSAI KEISOKUKI KK (JP)
International Classes:
H02K7/06; F16H25/20; F16H25/22; F16H25/24
Domestic Patent References:
| WO2001063731A1 | 2001-08-30 |
Foreign References:
| JP2014111292A | 2014-06-19 | |||
| JP2011131250A | 2011-07-07 | |||
| JP2016121961A | 2016-07-07 |
Attorney, Agent or Firm:
MATSUOKA Shuhei (JP)
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