Title:
ACTUATOR
Document Type and Number:
Japanese Patent JP2022065839
Kind Code:
A
Abstract:
To inhibit chattering sounds which occur when a movable body vibrates.SOLUTION: An actuator 1 vibrates a movable body 3 relative to a support 2, and the movable body 3 includes a support shaft 30 and a first inner frame member 36 and a second inner frame member 37 fixed to the support shaft 30. The support 2 includes: a cylindrical case 20; a first lid member 21 and a second lid member 22 fixed to an end part of the case 20; and a first outer frame member 51 and a second outer frame member 52 disposed at the inner side of the case 20. A first connection body 11 connects the first inner frame member 36 with the first outer frame member 51. A second connection body 12 connects the second inner frame member 37 with the second outer frame member 52. The first lid member 21 includes protruding parts 210 for pressing which contact with the first outer frame member 51. The second lid member 22 includes protruding parts 220 for pressing which contact with the second outer frame member 52. Positions of the protruding parts 210, 220 for pressing are limited to two positions or three positions spaced apart from each other in a circumferential direction.SELECTED DRAWING: Figure 2
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Inventors:
KITAHARA YUJI
Application Number:
JP2020174577A
Publication Date:
April 28, 2022
Filing Date:
October 16, 2020
Export Citation:
Assignee:
NIDEC SANKYO CORP
International Classes:
H02K33/02; B06B1/04
Attorney, Agent or Firm:
Kawai Toru
Shin Kodaira
Nobuko Kawaguchi
Shin Kodaira
Nobuko Kawaguchi