公开(公告)号：US09480891B2

公开(公告)日：2016-11-01

申请号：US14798677

申请日：2015-07-14

Applicant: NHK Spring Co., Ltd.

Inventor： Hiroyuki Ono ,  Masahito Iwase

IPC: A63B53/12 ,  B21C37/06 ,  C21D1/18 ,  C21D9/00 ,  C21D9/08 ,  C22C38/00

CPC classification number: A63B53/12 ,  A63B2209/00 ,  B21C37/06 ,  B21C37/30 ,  C21D1/18 ,  C21D9/0062 ,  C21D9/08 ,  C22C38/00

Abstract: A metal shaft includes a hollow tube made of metal, capable of having hardness varying in a longitudinal direction of the metal shaft while preventing increase in the number of variations on a shape of the metal shaft. The tube has a hardness pattern exhibited by hardness of the tube varying in a longitudinal direction of the tube according to Young's modulus or tensile strength of the metal varying in the longitudinal direction.

Abstract translation: 金属轴包括由金属制成的中空管，其能够在金属轴的纵向方向上具有变化的硬度，同时防止金属轴的形状变化的数量增加。 该管具有由根据杨氏模量或纵向方向变化的金属的拉伸强度而在管的纵向方向上变化的管的硬度显示的硬度图案。

公开(公告)号：US09470590B2

公开(公告)日：2016-10-18

申请号：US14620795

申请日：2015-02-12

Applicant: NHK SPRING CO., LTD. ,  NHK INTERNATIONAL CORPORATION

Inventor： Takahiro Nakamura ,  Kazuo Furukawa ,  Senri Moriyama ,  Ryuichi Sato ,  Shinichi Nishizawa

IPC: G01N3/08 ,  G01L5/00 ,  F16F1/04

CPC classification number: G01L5/00 ,  F16F1/04 ,  F16F2230/0017 ,  G01L5/16

Abstract: A coil spring modeling apparatus includes an actuator unit formed of a Stewart-platform-type parallel mechanism, a first inner load cell accommodated in a first attachment member, a second inner load cell accommodated in a second attachment member, and a rotation support mechanism. The actuator unit is rotatably supported by the rotation support mechanism about an axis. The first inner load cell is arranged on the first seat adapter coaxially with the rotation support mechanism, and detects an axial force acting on the lower spring seat and a moment. The second inner load cell is arranged under the second seat adapter coaxially with the rotation support mechanism, and detects an axial force acting on the upper spring seat and a moment.

Abstract translation: 螺旋弹簧造型装置包括由斯图尔特平台型平行机构构成的致动器单元，容纳在第一附接构件中的第一内部负载单元，容纳在第二安装构件中的第二内部负载单元和旋转支撑机构。 致动器单元围绕轴线被旋转支撑机构可旋转地支撑。 第一内部称重传感器布置在与旋转支撑机构同轴的第一座椅适配器上，并且检测作用在下部弹簧座上的轴向力和瞬间。 第二内部称重传感器布置在与旋转支撑机构同轴的第二座椅适配器下方，并且检测作用在上部弹簧座上的轴向力和力矩。

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

IPC: B60G3/14 ,  B60G11/14 ,  B60G21/05 ,  F16F1/04 ,  F16F1/06

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。

公开(公告)号：US09429255B2

公开(公告)日：2016-08-30

申请号：US14389866

申请日：2013-04-02

Applicant: KOBE STEEL, LTD. ,  SHINKO METAL PRODUCTS CO., LTD. ,  NHK SPRING CO., LTD.

Inventor： Takuya Kochi ,  Hitoshi Hatano ,  Eiichi Tamura ,  Kotaro Toyotake ,  Takashi Yajima ,  Akira Tange

IPC: B22D19/00 ,  F16L9/02 ,  C21D8/10 ,  C21D9/02 ,  C21D9/08 ,  C22C38/00 ,  C22C38/04 ,  C22C38/06 ,  C22C38/20 ,  C22C38/24 ,  C22C38/28 ,  C22C38/34 ,  C22C38/42 ,  C22C38/46 ,  C22C38/50 ,  C21D6/00 ,  C22C38/02 ,  C22C38/44 ,  C22C38/48 ,  C22C38/54 ,  F16F1/02

CPC classification number: F16L9/02 ,  C21D6/008 ,  C21D8/10 ,  C21D9/02 ,  C21D9/08 ,  C21D2211/004 ,  C22C38/001 ,  C22C38/002 ,  C22C38/005 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/20 ,  C22C38/24 ,  C22C38/28 ,  C22C38/34 ,  C22C38/42 ,  C22C38/44 ,  C22C38/46 ,  C22C38/48 ,  C22C38/50 ,  C22C38/54 ,  F16F1/021

Abstract: A hollow seamless pipe for a high-strength spring in the present invention includes a steel material in which chemical component compositions are properly adjusted, wherein a depth of a whole decarburized layer in an inner surface layer part is 100 μm or less, a depth of a flaw which is present in an inner surface is 40 μm or less, a width of the flaw is 60 μm or less, and a number density of a carbide which has a circle equivalent diameter of 500 nm or more and is present in the inner surface layer part is 1.8×10−2 particles/μm2 or less.

Abstract translation: 本发明的高强度弹簧用中空无缝管包括适当调整化学成分组成的钢材，其中，内表面层部的整个脱碳层的深度为100μm以下，深度为 存在于内表面的缺陷为40μm以下，缺陷的宽度为60μm以下，圆当量直径为500nm以上且存在于内侧的碳化物的数密度 表层部分为1.8×10 -2个/μm2以下。

公开(公告)号：US20160239004A1

公开(公告)日：2016-08-18

申请号：US14620855

申请日：2015-02-12

Applicant: NHK SPRING CO., LTD. ,  NHK INTERNATIONAL CORPORATION

Inventor： Takahiro NAKAMURA ,  Kazuo FURUKAWA ,  Senri MORIYAMA ,  Ryuichi SATO ,  Shinichi NISHIZAWA

IPC: G05B17/02 ,  F16F1/04

CPC classification number: G05B17/02 ,  F16F1/04 ,  F16F2230/0017 ,  G09B23/08

Abstract: A coil spring modeling apparatus includes a first attachment member disposed on a lower spring seat, a second attachment member disposed on an upper spring seat, an actuator unit formed of a Stewart-platform-type parallel mechanism, a spring height detection mechanism, and a controller. The spring height detection mechanism is constituted of displacement gauges such as a linear variable differential transformer. These gauges are provided on hydraulic cylinders, and detect amounts of displacement relative to the reference lengths of the hydraulic cylinders, respectively. A hydraulic pressure supply device is controlled by the controller and supplies fluid pressure according to the displacement detected by the gauges to the respective hydraulic cylinders.

Abstract translation: 螺旋弹簧造型装置包括设置在下弹簧座上的第一附接构件，设置在上弹簧座上的第二附接构件，由斯图尔特平台型平行机构形成的致动器单元，弹簧高度检测机构和 控制器。 弹簧高度检测机构由诸如线性可变差动变压器的位移计量器构成。 这些量规设置在液压缸上，分别检测相对于液压缸参考长度的位移量。 液压供给装置由控制器控制，并根据由量规检测到的位移向相应的液压缸提供流体压力。

公开(公告)号：US20160238473A1

公开(公告)日：2016-08-18

申请号：US14620795

申请日：2015-02-12

Applicant: NHK SPRING CO., LTD. ,  NHK INTERNATIONAL CORPORATION

Inventor： Takahiro NAKAMURA ,  Kazuo FURUKAWA ,  Senri MORIYAMA ,  Ryuichi SATO ,  Shinichi NISHIZAWA

IPC: G01L5/00 ,  F16F1/04

CPC classification number: G01L5/00 ,  F16F1/04 ,  F16F2230/0017 ,  G01L5/16

Abstract: A coil spring modeling apparatus includes an actuator unit formed of a Stewart-platform-type parallel mechanism, a first inner load cell accommodated in a first attachment member, a second inner load cell accommodated in a second attachment member, and a rotation support mechanism. The actuator unit is rotatably supported by the rotation support mechanism about an axis. The first inner load cell is arranged on the first seat adapter coaxially with the rotation support mechanism, and detects an axial force acting on the lower spring seat and a moment. The second inner load cell is arranged under the second seat adapter coaxially with the rotation support mechanism, and detects an axial force acting on the upper spring seat and a moment.

Abstract translation: 螺旋弹簧造型装置包括由斯图尔特平台型平行机构构成的致动器单元，容纳在第一附接构件中的第一内部负载单元，容纳在第二安装构件中的第二内部负载单元和旋转支撑机构。 致动器单元围绕轴线被旋转支撑机构可旋转地支撑。 第一内部称重传感器布置在与旋转支撑机构同轴的第一座椅适配器上，并且检测作用在下部弹簧座上的轴向力和瞬间。 第二内部称重传感器布置在与旋转支撑机构同轴的第二座椅适配器下方，并且检测作用在上部弹簧座上的轴向力和力矩。

公开(公告)号：US20160238098A1

公开(公告)日：2016-08-18

申请号：US14620916

申请日：2015-02-12

Applicant: NHK SPRING CO., LTD. ,  NHK INTERNATIONAL CORPORATION

Inventor： Takahiro NAKAMURA ,  Kazuo FURUKAWA ,  Senri MORIYAMA ,  Ryuichi SATO ,  Shinichi NISHIZAWA

IPC: F16F1/04 ,  G05B17/02

CPC classification number: F16F1/04 ,  F16F2230/0017 ,  G09B23/08 ,  G09B25/025

Abstract: A coil spring modeling apparatus includes a first attachment member disposed on a lower spring seat, a second attachment member disposed on an upper spring seat, an actuator unit formed of a Stewart-platform-type parallel mechanism, a hydraulic pressure supply device, a torsion detection mechanism, and a controller. The torsion detection mechanism is constituted of displacement gauges such as a linear variable differential transformer. The displacement gauges are provided on hydraulic cylinders, and detect amounts of displacement relative to the reference lengths of the hydraulic cylinders, respectively. The controller calculates a relative torsional angle between the first attachment member and the second attachment member based on the detected displacement.

Abstract translation: 螺旋弹簧造型装置包括设置在下弹簧座上的第一附接构件，设置在上弹簧座上的第二附接构件，由斯图尔特平台式平行机构构成的致动器单元，液压供应装置，扭转 检测机构和控制器。 扭转检测机构由诸如线性可变差动变压器的位移计量器构成。 位移计设在液压缸上，分别检测相对于液压缸参考长度的位移量。 控制器基于检测到的位移计算第一附接构件和第二附接构件之间的相对扭转角度。

公开(公告)号：US20160229247A1

公开(公告)日：2016-08-11

申请号：US15021727

申请日：2013-10-02

Applicant: NHK SPRING CO., LTD.

Inventor： Shigeru KURODA

IPC: B60G7/00

CPC classification number: B60G7/001 ,  B60G7/005 ,  B60G2204/1224 ,  B60G2204/416 ,  B60G2206/10 ,  B60G2206/11 ,  B60G2206/7101

Abstract: A suspension arm member includes a connecting portion configured to connect plural members of a suspension, and a support bar extending and provided with the connecting portion at each end. The support bar is made of a resin material and includes plural lightening hole portions each formed in a shape of a recessed portion. The lightening hole portions include plural front upper lightening hole portions (11) formed in a front upper portion of the support bar, plural front lower lightening hole portions formed in a front lower portion of the support bar, plural rear upper lightening hole portions formed in a rear upper portion of the support bar, and plural rear lower lightening hole portions formed in a rear lower portion of the support bar.

Abstract translation: 悬架臂构件包括：连接部，其被构造成连接悬架的多个构件;以及在每个端部延伸并设置有连接部的支撑杆。 支撑杆由树脂材料制成，并且包括形成为凹部的形状的多个发光孔部。 减光孔部分包括形成在支撑杆的前上部的多个前上照明孔部分（11），形成在支撑杆的前下部的多个前下减光孔部分，形成在 支撑杆的后部上部和形成在支撑杆的后部下部的多个后部下部照明孔部。

公开(公告)号：US09403451B2

公开(公告)日：2016-08-02

申请号：US13867949

申请日：2013-04-22

Applicant: NHK SPRING CO., LTD.

Inventor： Nozomu Munemura ,  Kensuke Nagai ,  Tadanori Hisamoto

IPC: B60N2/42 ,  B60N2/48

CPC classification number: B60N2/4228 ,  B60N2/888

Abstract: A headrest device comprising: a headrest stay that is coupled to an upper end portion of a seatback of a vehicle seat, and that supports a headrest pad; an internal structure that is embedded inside the headrest pad, that is supported from a rear by the headrest stay, and that supports a head of an occupant from the rear during a vehicle rear-on collision via a support face that is formed at a front face of the internal structure; and a forward projection portion that is configured by a portion of the headrest stay that projects forward, that is disposed at an upper side or a lower side of the support face within the headrest pad, and that suppresses the head supported by the support face from tilting backward or tilting forward by pivoting about the support face as a pivoting center.

Abstract translation: 一种头枕装置，包括：头枕支架，其联接到车辆座椅的座椅靠背的上端部分，并且支撑头枕; 嵌入在头枕内部的内部结构，该后部由头枕支撑在后部，并且在车辆后方碰撞期间通过形成在前侧的支撑面从后方支撑乘员的头部 内部结构面; 以及设置在头枕内的支撑面的上侧或下侧，并且能够抑制由支撑面支承的头部的头枕的一部分向前突出的前方突出部， 通过围绕支撑面枢转作为枢转中心向后倾斜或向前倾斜。

公开(公告)号：US20160176260A1

公开(公告)日：2016-06-23

申请号：US14778522

申请日：2014-04-11

Applicant: NHK SPRING CO., LTD.

Inventor： Shigeru KURODA

IPC: B60G21/055 ,  F16F1/16 ,  F16C17/12

CPC classification number: B60G21/0551 ,  B60G2204/1222 ,  B60G2204/41 ,  B60G2204/4104 ,  B60G2204/41043 ,  B60G2204/4307 ,  B60G2206/73 ,  B60G2206/821 ,  B60G2206/91 ,  F16C17/12 ,  F16F1/16 ,  F16F1/373

Abstract: A bush for a stabilizer is configured so that surface pressure at an adhered surface of a hole of the bush is uniform in adhering the bush to a bar of the stabilizer, whereby necessary adhesive strength is obtained. A bush has a body part that includes a rectangular part with a rectangular shape and a curving part having a curved shape at an outer circumferential part thereof. The body part has a side surface part on which a protruding part is formed so as to protrude outwardly. When contained in a U-shaped part of a bracket shown in FIG. 3B, the rectangular part is arranged at a straight line part of the U-shaped part, the curving part is arranged at a circular arc part of the U-shaped part, and the protruding part is pressed toward the body part by an inner surface of the U-shaped part.

Abstract translation: 用于稳定器的衬套被构造成使得将衬套粘附到稳定器的杆上使得衬套的孔的粘附表面处的表面压力是均匀的，由此获得必要的粘合强度。 衬套具有主体部分，其包括具有矩形形状的矩形部分和在其外圆周部分处具有弯曲形状的弯曲部分。 主体部分具有侧表面部分，突出部分形成在其上以向外突出。 当包含在图1所示的支架的U形部分中时， 如图3B所示，矩形部分布置在U形部分的直线部分处，弯曲部分布置在U形部分的圆弧部分处，并且突出部分通过内表面 的U形部分。