Title:
VIBRATION ACTUATOR
Document Type and Number:
Japanese Patent JP2020199506
Kind Code:
A
Abstract:
To provide a vibration actuator which makes abnormal noise less likely to occur, has a simple structure, and achieves low costs.SOLUTION: A vibration actuator includes: a cylindrical case 1; damper covers 71, 81 attached so as to close the opening side of the case 1; a coil 21 provided at the case 1; a movable element 111 which is vibrated along a vibration axis of the case 1 by the coil 21; and dampers 51, 61 in each of which an inner peripheral part is attached to the movable element 111 and an outer peripheral part is attached to the case 1. The outer peripheral parts of the dampers 51, 61 are sandwiched between an end surface of an opening part of the case 1 and end surfaces of peripheral edge parts of the damper covers 71, 81.SELECTED DRAWING: Figure 1
Inventors:
CHIBA YUSUKE
Application Number:
JP2020158579A
Publication Date:
December 17, 2020
Filing Date:
September 23, 2020
Export Citation:
Assignee:
FOSTER ELECTRIC CO LTD
International Classes:
B06B1/04; H02K33/16
Domestic Patent References:
| JP2017200364A | 2017-11-02 | |||
| JP2000050609A | 2000-02-18 | |||
| JP2012042017A | 2012-03-01 | |||
| JP2009240138A | 2009-10-15 |
Foreign References:
| US20150123499A1 | 2015-05-07 |
Attorney, Agent or Firm:
Kiuchi Mitsuharu
Koichi Okuma
Katagiri Sadanori
Kanako Kiuchi
Koichi Okuma
Katagiri Sadanori
Kanako Kiuchi