Title:
VIBRATION ATTENUATING DEVICE AND VEHICULAR SEAT PROVIDED WITH THE SAME
Document Type and Number:
Japanese Patent JP2021020590
Kind Code:
A
Abstract:
To provide a compact vibration attenuating device which can be reduced in weight and obtain a vibration attenuating effect with respect to the input of a low load, and a vehicular seat provided with the vibration attenuating device.SOLUTION: A vibration attenuating device 34 includes a shaft portion 38, a coil spring 48, a weight member 50 and a coil spring 52. Energizing force by the coil spring 48 and the coil spring 52 acts on the weight member 50, with the weight member 50 put therebetween, and vibrations can be attenuated by the movement of the weight member 50. The vibration attenuating device 34 is provided with a sliding portion reducing a dynamic friction coefficient with respect to the movement of the weight member 50 in a longitudinal direction of the shaft portion 38. Therefore, in the vibration attenuating device 34, the weight member 50 can be moved even with respect to the input of a low load, and vibration attenuation efficiency can be improved.SELECTED DRAWING: Figure 3
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Inventors:
OTAKE YOSHINORI
HIRAO KAZUKI
IBANO DAISUKE
HIRAO KAZUKI
IBANO DAISUKE
Application Number:
JP2019139094A
Publication Date:
February 18, 2021
Filing Date:
July 29, 2019
Export Citation:
Assignee:
NHK SPRING CO LTD
International Classes:
B60N2/90
Domestic Patent References:
| JP2018103822A | 2018-07-05 | |||
| JPS5250478A | 1977-04-22 | |||
| JP2018065508A | 2018-04-26 | |||
| JP2004257481A | 2004-09-16 |
Foreign References:
| WO2013105573A1 | 2013-07-18 |
Attorney, Agent or Firm:
Atsushi Nakajima
Kato Kazunori
Hiroshi Fukuda
Kato Kazunori
Hiroshi Fukuda