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公开(公告)号：EP3034903A1
公开(公告)日：2016-06-22
申请号：EP14836649.5
申请日：2014-07-01
Applicant: NHK Spring Co., Ltd.
Inventor： YAMAMOTOYA, Kenji , ENOMOTO, Hideto , TAKAHASHI, Ken , SATO, Toshiaki , SUGIYAMA, Mitsuhiro , KOBAYASHI, Yoshio , INAGE, Taichi , KATO, Tomotake , NISHIKAWA, Akihiko , UMEZAWA, Masahiro , AYADA, Michihiko , KAJIGAYA, Suguru
CPC classification number: B60G11/14 , B60G15/062 , B60G2200/142 , B60G2200/22 , B60G2202/12 , B60G2202/312 , B60G2204/1242 , B60G2204/1246 , B60G2206/42 , B60G2206/426 , B60G2206/724 , F16F1/043 , F16F1/06 , F16F9/32
Abstract: A suspension coil spring includes a lower end turn portion (42), an upper end turn portion (44), and a helical effective portion (45) formed between the end turn portions (42, 44). The lower end turn portion (42) includes a first portion (42a) which contacts a lower spring seat irrespective of a load, and a second portion (42b) which contacts the lower spring seat or is separated from the same according to the load. The wire diameter of the second portion (42b) is greater than that of the first portion (42a) and an average wire diameter of the effective portion (45). The upper end turn portion (44) includes a third portion (44a) which contacts an upper spring seat irrespective of a load, and a fourth portion (44b) which contacts the upper spring seat or is separated from the same according to the load. The wire diameter of the fourth portion (44b) is greater that of the third portion (44a) and the average wire diameter of the effective portion (45).
Abstract translation: 悬架螺旋弹簧包括下端匝部分（42），上端匝部分（44）和形成在端匝部分（42,44）之间的螺旋形有效部分（45）。 下端匝部（42）包括与负载无关地接触下弹簧座的第一部分（42a）和与下弹簧座接触或根据负载与其分离的第二部分（42b）。 第二部分（42b）的线径大于第一部分（42a）的直径和有效部分（45）的平均线直径。 上端匝部（44）包括与负载无关地与上弹簧座接触的第三部分（44a），以及与上弹簧座接触或与负载相分离的第四部分（44b）。 第四部分（44b）的线径大于第三部分（44a）的线径和有效部分（45）的平均线直径。
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Patent Agency Ranking
公开(公告)号：EP2921323B1
公开(公告)日：2019-05-22
申请号：EP13855147.8
申请日：2013-11-14
Applicant: NHK Spring Co., Ltd.
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公开(公告)号：EP2921324B1
公开(公告)日：2019-04-10
申请号：EP13855183.3
申请日：2013-11-14
Applicant: NHK Spring Co., Ltd.
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4.发明公开SUSPENSION DEVICE AND COILED COMPRESSION SPRING FOR SUSPENSION DEVICE 审中-公开AUFHÄNGUNGSVORRICHTUNGUND GEWICKELTE DRUCKFEDERFÜRAUFHÄNGUNGSVORRICHTUNG
公开(公告)号：EP2921324A1
公开(公告)日：2015-09-23
申请号：EP13855183.3
申请日：2013-11-14
Applicant: NHK Spring Co., Ltd.
Inventor： YAMAMOTOYA, Kenji , ENOMOTO, Hideto , TAKAHASHI, Ken , SATO, Toshiaki , SUGIYAMA, Mitsuhiro , KOBAYASHI, Yoshio , INAGE, Taichi , KATO, Tomotake , NISHIKAWA, Akihiko , UMEZAWA, Masahiro , AYADA, Michihiko , KAJIGAYA, Suguru
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 (11) is provided with an arm member (20), a compression coil spring (21), and a shock absorber (24). The arm member (20) is supported in such a way that it is pivotable in the upward and downward directions by a pivot (31) provided on an arm mounting portion (30). The coil spring (21) is arranged between spring seats (22, 23). The coil spring (21) 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 (40) of the coil spring (21) includes a large-diameter wire portion (40a), a small-diameter wire portion (40b), and a wire diameter varying portion (40c). The large-diameter wire portion (40a) is provided in a first portion (21a) of the coil spring (21), which is on the side near to the pivot (31). The small-diameter wire portion (40b) is provided in a second portion (21b) of the coil spring (21), which is on the side far from the pivot (31). A wire diameter (d1) of the large-diameter wire portion (40a) is greater than a wire diameter (d2) of the small-diameter wire portion (40b).
Abstract translation: 膝盖式悬架（11）具有臂构件（20），压缩螺旋弹簧（21）和减震器（24）。 臂构件（20）以通过设置在臂安装部（30）上的枢轴（31）沿上下方向枢转的方式被支撑。 螺旋弹簧（21）布置在弹簧座（22,23）之间。 螺旋弹簧（21）根据施加到车体的负载的大小而在全反弹状态和全凸起状态之间延伸和缩回。 螺旋弹簧（21）的线（40）包括大直径线部分（40a），小直径线部分（40b）和线直径变化部分（40c）。 大直径线部分40a设置在螺旋弹簧21的靠近枢轴31的一侧的第一部分21a中。 小直径线部分（40b）设置在螺旋弹簧（21）的远离枢轴（31）的一侧的第二部分（21b）中。 大直径线部分（40a）的线径（d1）大于小直径线部分（40b）的线径（d2）。
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公开(公告)号：EP3034903B1
公开(公告)日：2020-09-09
申请号：EP14836649.5
申请日：2014-07-01
Applicant: NHK Spring Co., Ltd.
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公开(公告)号：EP2921323A1
公开(公告)日：2015-09-23
申请号：EP13855147.8
申请日：2013-11-14
Applicant: NHK Spring Co., Ltd.
Inventor： YAMAMOTOYA, Kenji , ENOMOTO, Hideto , TAKAHASHI, Ken , SATO, Toshiaki , SUGIYAMA, Mitsuhiro , KOBAYASHI, Yoshio , INAGE, Taichi , KATO, Tomotake , NISHIKAWA, Akihiko , UMEZAWA, Masahiro , AYADA, Michihiko , KAJIGAYA, Suguru
CPC classification number: B60G15/062 , B60G11/14 , B60G2200/142 , B60G2202/12 , B60G2202/312 , B60G2206/42 , B60G2206/426 , F16F1/043
Abstract: A strut-type suspension (11) includes a compression coil spring (12), a lower spring seat (13), an upper spring seat (14), and a shock absorber (15) which passes through the inside of the compression coil spring (12). The compression coil spring (12) is disposed at a position offset to the outer side of a vehicle with respect to the shock absorber (15). The compression coil spring (12) is mounted in a vehicle body (30) in such a state that it is compressed between spring seats (13, 14). The compression coil spring (12) includes a large-diameter wire portion (40a) and a small-diameter wire portion (40b). The large-diameter wire portion (40a) is provided in a vehicle inner-side portion (12a) of the compression coil spring (12). The small-diameter wire portion (40b) is provided in a vehicle outer-side portion (12b). A wire diameter (d1) of the large-diameter wire portion (40a) is greater than a wire diameter (d2) of the small-diameter wire portion (40b).
Abstract translation: 支柱型悬架（11）包括压缩螺旋弹簧（12），下弹簧座（13），上弹簧座（14）和减震器（15），其通过压缩螺旋弹簧 （12）。 压缩螺旋弹簧（12）设置在相对于减震器（15）偏移到车辆外侧的位置。 压缩螺旋弹簧（12）以在弹簧座（13,14）之间被压缩的状态安装在车身（30）中。 压缩螺旋弹簧（12）包括大直径线部（40a）和小直径线部（40b）。 大直径线部40a设置在压缩螺旋弹簧12的车辆内侧部12a中。 小直径线部分（40b）设置在车辆外侧部分（12b）中。 大直径线部分（40a）的线径（d1）大于小直径线部分（40b）的线径（d2）。
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