公开(公告)号：US20180111525A1

公开(公告)日：2018-04-26

申请号：US15785226

申请日：2017-10-16

Applicant: NHK SPRING CO., LTD.

Inventor： Yoshitaka Sasaki ,  Yuji Tokiwa ,  Katsuji Goto ,  Yoshinori Otake ,  Masakazu Ando

IPC: B60N2/54 ,  B60N2/50 ,  F16F7/116

CPC classification number: B60N2/544 ,  B60N2/50 ,  B60N2/503 ,  B60N2/68 ,  F16F7/116 ,  F16F2222/08 ,  F16F2232/08 ,  F16F2234/02

Abstract: A vibration damping device comprises: a spindle member through which a shaft portion is inserted, the spindle member being movable along a length direction of the shaft portion; a first coil spring disposed between the spindle member and one end portion of the shaft portion in the length direction, the one end portion of the shaft portion being inserted through the first coil spring, and the first coil spring urging the spindle member toward a side of another end portion of the shaft portion in the length direction; and a second coil spring disposed between the another end portion of the shaft portion and the spindle member, the another end portion of the shaft portion being inserted through the second coil spring, and the second coil spring urging the spindle member toward a side of the one end portion of the shaft portion.

公开(公告)号：US10252649B2

公开(公告)日：2019-04-09

申请号：US15785226

申请日：2017-10-16

Applicant: NHK SPRING CO., LTD.

Inventor： Yoshitaka Sasaki ,  Yuji Tokiwa ,  Katsuji Goto ,  Yoshinori Otake ,  Masakazu Ando

IPC: B60N2/42 ,  B60N2/427 ,  B60N2/54 ,  B60N2/50 ,  F16F7/116 ,  B60N2/68

Abstract: A vibration damping device comprises: a spindle member through which a shaft portion is inserted, the spindle member being movable along a length direction of the shaft portion; a first coil spring disposed between the spindle member and one end portion of the shaft portion in the length direction, the one end portion of the shaft portion being inserted through the first coil spring, and the first coil spring urging the spindle member toward a side of another end portion of the shaft portion in the length direction; and a second coil spring disposed between the another end portion of the shaft portion and the spindle member, the another end portion of the shaft portion being inserted through the second coil spring, and the second coil spring urging the spindle member toward a side of the one end portion of the shaft portion.