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公开(公告)号：US09713946B2
公开(公告)日：2017-07-25
申请号：US14702919
申请日：2015-05-04
Applicant: NHK SPRING CO., LTD.
Inventor： Kenji Yamamotoya , Hideto Enomoto , Ken Takahashi , Toshiaki Sato , Mitsuhiro Sugiyama , Yoshio Kobayashi , Taichi Inage , Tomotake Kato , Akihiko Nishikawa , Masahiro Umezawa , Michihiko Ayada , Suguru Kajigaya
CPC classification number: B60G15/062 , B60G11/14 , B60G2200/142 , B60G2202/12 , B60G2202/312 , B60G2206/42 , B60G2206/426 , F16F1/043
Abstract: A strut-type suspension includes a compression coil spring, a lower spring seat, an upper spring seat, and a shock absorber. The compression coil spring is disposed at a position offset to the outer side of a vehicle with respect to the shock absorber. The compression coil spring is mounted in a vehicle body in such a state that it is compressed between spring seats. The compression coil spring includes a large-diameter wire portion and a small-diameter wire portion. The large-diameter wire portion is provided in a vehicle inner-side portion of the compression coil spring. The small-diameter wire portion is provided in a vehicle outer-side portion. A wire diameter of the large-diameter wire portion is greater than a wire diameter of the small-diameter wire portion.
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公开(公告)号：US09463676B2
公开(公告)日：2016-10-11
申请号：US14702958
申请日：2015-05-04
Applicant: NHK SPRING CO., LTD.
Inventor： Kenji Yamamotoya , Hideto Enomoto , Ken Takahashi , Toshiaki Sato , Mitsuhiro Sugiyama , Yoshio Kobayashi , Taichi Inage , Tomotake Kato , Akihiko Nishikawa , Masahiro Umezawa , Michihiko Ayada , Suguru Kajigaya
CPC classification number: B60G3/14 , B60G11/14 , B60G15/06 , B60G21/051 , B60G2200/132 , B60G2200/21 , B60G2202/12 , B60G2204/1246 , B60G2206/42 , B60G2206/426 , F16F1/043 , F16F2238/026
Abstract: A knee-action-type suspension is provided with an arm member, a compression coil spring, and a shock absorber. The coil spring is extended and retracted between a full-rebound state and a full-bump state in accordance with the magnitude of a load applied to a vehicle body. A wire of the coil spring includes a large-diameter wire portion, a small-diameter wire portion, and a wire diameter varying portion. The large-diameter wire portion is provided in a first portion of the coil spring, which is on the side near to a pivot. The small-diameter wire portion is provided in a second portion of the coil spring, which is on the side far from the pivot. A wire diameter of the large-diameter wire portion is greater than a wire diameter of the small-diameter wire portion.
Abstract translation: 膝盖式悬架设置有臂构件，压缩螺旋弹簧和减震器。 根据施加到车体的负载的大小，螺旋弹簧在全反弹状态和满凸起状态之间延伸和缩回。 螺旋弹簧的线包括大直径线部分，小直径线部分和线直径变化部分。 大直径线部设置在螺旋弹簧的靠近枢轴的一侧的第一部分。 小直径线部分设置在螺旋弹簧的位于远离枢轴的一侧的第二部分中。 大直径线部分的线径大于小直径线部分的线径。
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公开(公告)号：US10358008B2
公开(公告)日：2019-07-23
申请号：US14924319
申请日：2015-10-27
Applicant: NHK SPRING CO., LTD.
Inventor： Kenji Yamamotoya , Hideto Enomoto , Ken Takahashi , Toshiaki Sato , Mitsuhiro Sugiyama , Yoshio Kobayashi , Taichi Inage , Tomotake Kato , Akihiko Nishikawa , Masahiro Umezawa , Michihiko Ayada , Suguru Kajigaya
Abstract: A suspension coil spring includes a lower end turn portion, an upper end turn portion, and a helical effective portion formed between the end turn portions. The lower end turn portion includes a first portion which contacts a lower spring seat irrespective of a load, and a second portion which contacts the lower spring seat or is separated from the same according to the load. The wire diameter of the second portion is greater than that of the first portion and an average wire diameter of the effective portion. The upper end turn portion includes a third portion which contacts an upper spring seat, and a fourth portion. The wire diameter of the fourth portion is greater that of the third portion and the average wire diameter of the effective portion.
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