Title:
VIBRATION DAMPING DEVICE AND MANUFACTURING METHOD FOR VIBRATION DAMPING DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/166933
Kind Code:
A1
Abstract:
The present invention provides a vibration damping device that can inhibit component loosening and inhibit the occurrence of slipping with an even simpler configuration. This vibration damping device comprises: a plate-shaped first attachment member 30 that has a first fastening hole 34; a plate-shaped second attachment member 40 that has a stopper hole 44; a pair of rubber elastic bodies 20, 20 that connect the first attachment member 30 and the second attachment member 40 between facing surfaces on both end sides of said members; a stopper member 61 that has a second fastening hole 62; and a shaft member 50 that fastens the stopper member 61 to the first attachment member 30. A plurality of protrusions 52, 54 disposed at prescribed intervals in the circumferential direction are provided to a press-fit fixing section of the shaft member 50 and the first fastening hole 34 and second fastening hole 62. The shaft member 50 is fixed to the first attachment member 30 and the stopper member 61 by bringing the protrusions 52, 54 into contact with said members.
Inventors:
MORI KENTARO (JP)
Application Number:
PCT/JP2023/004238
Publication Date:
September 07, 2023
Filing Date:
February 08, 2023
Export Citation:
Assignee:
SUMITOMO RIKO CO LTD (JP)
International Classes:
F16F15/08
Foreign References:
| JPH09151991A | 1997-06-10 | |||
| JP2018071768A | 2018-05-10 | |||
| JP2015218754A | 2015-12-07 | |||
| JPS59127910U | 1984-08-28 | |||
| JP2006144931A | 2006-06-08 |
Attorney, Agent or Firm:
KASAI & NAKANE INTERNATIONAL PATENT FIRM et al. (JP)
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