Title:
LINEAR ACTUATOR
Document Type and Number:
WIPO Patent Application WO/2020/179477
Kind Code:
A1
Abstract:
A linear actuator 1 is provided with a motor 2, a rotary part (threaded shaft 5) that is rotationally driven by the motor 2, and a linear displacement part 6 that screws together with the threaded shaft 5 and that in conjunction with rotation of the threaded shaft 5 is linearly displaced axially. The linear displacement part 6 is provided with: a linear displacement part main unit 7 (nut 10 and spring case 11); an output member 8 arranged to be capable of relative translation axially with respect to the linear displacement part main unit 7, and abutting on a manipulated object P; and a spring 9 located axially between the linear displacement part main unit 7 and the output member 8.
Inventors:
OBARA RYOUSUKE (JP)
KATO AKIO (JP)
KATO AKIO (JP)
Application Number:
PCT/JP2020/006805
Publication Date:
September 10, 2020
Filing Date:
February 20, 2020
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD (JP)
International Classes:
F16H25/20; H02K7/06
Foreign References:
| JP2000220718A | 2000-08-08 | |||
| JP2016121757A | 2016-07-07 | |||
| JPH01264544A | 1989-10-20 | |||
| JP2014092223A | 2014-05-19 |
Attorney, Agent or Firm:
SHIROMURA Kunihiko et al. (JP)
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