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    Seat structure
    1.
    发明授权
    Seat structure 有权
    座椅结构

    公开(公告)号：US06921132B2

    公开(公告)日：2005-07-26

    申请号：US10839052

    申请日：2004-05-05

    申请人： Etsunori Fujita ,  Yutaka Sakamoto ,  Kazuyoshi Chizuka ,  Seiji Kawasaki ,  Yasuhide Takata ,  Yumi Ogura ,  Shigehiko Kaneko

    发明人： Etsunori Fujita ,  Yutaka Sakamoto ,  Kazuyoshi Chizuka ,  Seiji Kawasaki ,  Yasuhide Takata ,  Yumi Ogura ,  Shigehiko Kaneko

    IPC分类号： A47C7/40 ,  B60N2/427 ,  B60N2/90 ,  B61D33/00 ,  B60N2/42

    CPC分类号： B61D33/0014 ,  B60N2/42709 ,  B60N2/70 ,  B60N2/7011

    摘要： In order to improve vibration absorbency and impact absorbency, the seat structure includes a swing member provided in a manner to be able to swing at least back and forth on a rear frame member positioned around the rear of a seat cushion, a pelvis supporting member connected to the swing member at the vicinity of the lower portion of the pelvis supporting member and disposed behind the pelvis of a seated person, and coil springs as an elastic member to support the pelvis supporting member biasing in the direction pushing forwards in a normal seating state. Accordingly, vibration inputted from the seat back side and as if patting on the back of the human body can be absorbed by the pelvis supporting member supported elastically. Besides, since the pelvis supporting member is connected to the rear frame member via the swing member, since pivoting movement in the back-and-forth direction of the pelvis supporting member is performed with a connecting portion of the swing member and the rear frame member as the center, and the radius of gyration is large, the vicinity of the lower portion of the pelvis supporting member never presses the pelvis.

    摘要翻译： 为了提高振动吸收性和冲击吸收性，座椅结构包括摆动构件，其以能够至少在位于座垫的后部的后框架构件上来回摆动的方式设置，骨架支撑构件连接 到骨盆支撑构件的下部附近的摆动构件，并且设置在就座人的骨盆后面，螺旋弹簧作为弹性构件，以支撑骨盆支撑构件在正常就座状态下向前推动的方向 。 因此，从座椅靠背侧输入的振动和仿佛拍摄在人体背部的振动可以被弹性支撑的骨盆支撑构件吸收。 此外，由于骨盆支撑构件经由摆动构件连接到后框架构件，因此通过摆动构件和后框架构件的连接部分进行骨盆支撑构件的前后方向的枢转运动 作为中心，并且回转半径大，骨盆支撑构件的下部附近从不压迫骨盆。

    Impact absorbing structure and seat structure
    5.
    发明授权
    Impact absorbing structure and seat structure 失效
    冲击吸收结构和座椅结构

    公开(公告)号：US06926358B2

    公开(公告)日：2005-08-09

    申请号：US10322981

    申请日：2002-12-18

    申请人： Etsunori Fujita ,  Yutaka Sakamoto ,  Yasuhide Takata

    发明人： Etsunori Fujita ,  Yutaka Sakamoto ,  Yasuhide Takata

    IPC分类号： A62B1/22 ,  A47C7/40 ,  B60N2/42 ,  B60N2/427 ,  B60N2/70 ,  B60R21/02 ,  D04B21/14

    CPC分类号： B60N2/7094 ,  B60N2/4228 ,  B60N2/42736 ,  B60N2/42754

    摘要： The object of the present invention is to suppress rebound of a human body when receiving a large impact load accompanying a collision or the like. A back frame member 20 and a seat frame member 10 are individually formed by welding or caulking, and a link member 30 for connecting both is attached to the back frame member 20 and the seat frame member 10 by welding or caulking. Each of the frame members is provided with a cushioning member as a tension structure. Upon receipt of an impact vibration or an impact force at a predetermined magnitude or more, the tension of the cushioning member provided as the tension structure lowers to be able to exhibit high damping characteristics.

    摘要翻译： 本发明的目的是在接收到伴随碰撞等的大的冲击载荷时抑制人体的反弹。 通过焊接或铆接分别形成后框架构件20和座椅框架构件10，并且通过焊接或铆接将连接两者的连杆构件30安装在后框架构件20和座椅框架构件10上。 每个框架构件设置有作为张紧结构的缓冲构件。 在接收到预定大小或更大的冲击振动或冲击力时，作为张力结构设置的缓冲构件的张力降低，以能够呈现高阻尼特性。

    Base net supporting mechanism for seat and seat structure thereof
    6.
    发明授权
    Base net supporting mechanism for seat and seat structure thereof 有权
    座椅和座椅结构的基座支撑机构

    公开(公告)号：US07416256B2

    公开(公告)日：2008-08-26

    申请号：US11382609

    申请日：2006-05-10

    申请人： Etsunori Fujita ,  Seiji Kawasaki ,  Yasuhide Takata

    发明人： Etsunori Fujita ,  Seiji Kawasaki ,  Yasuhide Takata

    IPC分类号： A47C7/02 ,  A47C7/14

    CPC分类号： B60N2/7047 ,  B60N2/502 ,  B60N2/544 ,  B60N2/548 ,  B60N2/7011 ,  B60N2/7058

    摘要： In order to improve seating comfort and vibration absorbency, a structure including a first torsion bar unit 70 disposed in the rear of a seat cushion, and a second torsion bar unit 80 disposed in the front of the seat cushion, and a base net 60 stretched between a rear supporting frame 74 of the first torsion bar unit 70 and a front supporting frame 84 of the second torsion bar unit 80, is provided. Owing to the elastic force of a front torsion bar 81 of the second torsion bar unit 80 positioned in the front of the seat, a sense of stroke at the time of seating is enhanced. Owing to the elastic force of a rear torsion bar 71 of the first torsion bar unit 70 positioned in the rear of the seat, similarly to the conventional structure, a load of a seated person can be sufficiently received and a stable seating comfort can be obtained. Since both the first torsion bar unit 70 and the second torsion bar unit 80 work together to dampen vibration inputted during driving, vibration absorbency is more enhanced than ever.

    摘要翻译： 为了提高座椅舒适性和振动吸收性，包括设置在座垫的后部的第一扭杆单元70和设置在座垫前部的第二扭力杆单元80和延伸的基座60的结构 设置在第一扭杆单元70的后支撑框架74和第二扭力杆单元80的前支撑框架84之间。 由于位于座椅前部的第二扭力杆单元80的前扭杆81的弹力增加了就座时的行程感。 由于位于座椅后部的第一扭力杆单元70的后扭杆71的弹性力与常规结构类似，可以充分地接收就座者的负载并且可以获得稳定的就座舒适度 。 由于第一扭力杆单元70和第二扭力杆单元80两者一起工作以抑制在驾驶中输入的振动，因此吸振性比以往更强。

    Seat construction
    7.
    发明授权
    Seat construction 有权
    座位施工

    公开(公告)号：US07303229B2

    公开(公告)日：2007-12-04

    申请号：US10520458

    申请日：2003-07-17

    申请人： Etsunori Fujita ,  Kazuyoshi Chizuka ,  Seiji Kawasaki ,  Yasuhide Takata

    发明人： Etsunori Fujita ,  Kazuyoshi Chizuka ,  Seiji Kawasaki ,  Yasuhide Takata

    IPC分类号： B60N2/42

    CPC分类号： A47C7/14 ,  B60N2/06 ,  B60N2/427 ,  B60N2/7011

    摘要： A flat spring member (40) mainly serving as a vibration absorptive function at a normal use is engaged with a supporting frame member (130) which displaces backward along with deformation of a seat back (20) by backward moment applied to the seat back (20), and the other end is engaged with a front edge frame (102) disposed in the vicinity of the front edge of a cushion frame. Therefore, when an impact force from front or back equal to or more than that prescribed is applied, the flat spring member (40) increases in tension by backward moment applied to the seat back (20), and serves as a function to increase again the intensity of the backward moment of the seat back (20), which was once lowered by deformation of the side frame (101) of the cushion frame.

    摘要翻译： 主要用作正常使用时的振动吸收功能的板簧构件（40）与支撑框架构件（130）接合，支撑框架构件（130）随着施加到座椅靠背的向后力矩而随着座椅靠背（20）的变形而向后移位 20），另一端与设置在缓冲框架的前缘附近的前缘框架（102）接合。 因此，当施加来自前面或后面的冲击力等于或大于规定的冲击力时，弹簧构件（40）通过向座椅靠背（20）施加的向后力矩增加张力，并且作为再次增加的功能 座椅靠背（20）的后退力矩的强度，其一旦通过缓冲框架的侧框架（101）的变形而降低。

    SEAT STRUCTURE
    8.
    发明申请
    SEAT STRUCTURE 有权
    座椅结构

    公开(公告)号：US20060279119A1

    公开(公告)日：2006-12-14

    申请号：US11382599

    申请日：2006-05-10

    申请人： Etsunori Fujita ,  Seiji Kawasaki ,  Yasuhide Takata

    发明人： Etsunori Fujita ,  Seiji Kawasaki ,  Yasuhide Takata

    IPC分类号： A47C7/02

    CPC分类号： B60N2/7058 ,  B60N2/7094

    摘要： In order to improve seating comfort and vibration absorbency, the present invention includes a front torsion bar unit 80 disposed in the front of a seat cushion, the front end of a base net 60 is connected to a supporting frame 84 of the front torsion bar unit 80, the rear end of the base net 60 is connected to a rear frame 70. Accordingly, owing to elastic force of a front torsion bar 81 of the front torsion bar unit 80 positioned in the front of the seat cushion, a sense of stroke at the time of seating is enhanced. A structure to dispose a torsion bar unit in the front as in the present invention works upon a tiny load fluctuation sensitively, and absorbency of high frequency vibration is further enhanced.

    摘要翻译： 为了提高座椅舒适性和振动吸收性，本发明包括设置在座垫前部的前扭杆单元80，底座网60的前端连接到前扭杆单元的支撑框架84 如图80所示，基网60的后端连接到后框架70。 因此，由于位于座垫前方的前扭杆单元80的前扭杆81的弹力，所以就座时的行程感增强。 如本发明中那样在前方设置扭杆单元的结构在微小的载荷波动下起作用，进一步提高了高频振动的吸收性。

    Seat construction
    9.
    发明申请
    Seat construction 有权
    座位施工

    公开(公告)号：US20050231011A1

    公开(公告)日：2005-10-20

    申请号：US10520458

    申请日：2003-07-17

    申请人： Etsunori Fujita ,  Kazuyoshi Chizuka ,  Seiji Kawasaki ,  Yasuhide Takata

    发明人： Etsunori Fujita ,  Kazuyoshi Chizuka ,  Seiji Kawasaki ,  Yasuhide Takata

    IPC分类号： A47C7/14 ,  B60N2/06 ,  B60N2/427 ,  B60N2/70 ,  B60N2/42

    CPC分类号： A47C7/14 ,  B60N2/06 ,  B60N2/427 ,  B60N2/7011

    摘要： A flat spring member (40) mainly serving as a vibration absorptive function at a normal use is engaged with a supporting frame member (130) which displaces backward along with deformation of a seat back (20) by backward moment applied to the seat back (20), and the other end is engaged with a front edge frame (102) disposed in the vicinity of the front edge of a cushion frame. Therefore, when an impact force from front or back equal to or more than that prescribed is applied, the flat spring member (40) increases in tension by backward moment applied to the seat back (20), and serves as a function to increase again the intensity of the backward moment of the seat back (20), which was once lowered by deformation of the side frame (101) of the cushion frame.

    摘要翻译： 主要用作正常使用时的振动吸收功能的板簧构件（40）与支撑框架构件（130）接合，支撑框架构件（130）随着施加到座椅靠背的向后力矩而随着座椅靠背（20）的变形而向后移位 20），另一端与设置在缓冲框架的前缘附近的前缘框架（102）接合。 因此，当施加来自前面或后面的冲击力等于或大于规定的冲击力时，弹簧构件（40）通过向座椅靠背（20）施加的向后力矩增加张力，并且作为再次增加的功能 座椅靠背（20）的后退力矩的强度，其一旦通过缓冲框架的侧框架（101）的变形而降低。

    Vibration relief apparatus and magnetic damper mechanism therefor
    10.
    发明授权
    Vibration relief apparatus and magnetic damper mechanism therefor 有权
    减震装置及其减震机构

    公开(公告)号：US06585240B1

    公开(公告)日：2003-07-01

    申请号：US09642520

    申请日：2000-08-18

    申请人： Etsunori Fujita ,  Yasuhide Takata

    发明人： Etsunori Fujita ,  Yasuhide Takata

    IPC分类号： B60G1114

    CPC分类号： B60N2/502 ,  B60N2/505 ,  B60N2/508 ,  B60N2/544 ,  B60N2/548 ,  F16F6/005 ,  F16F15/035 ,  F16F15/04

    摘要： A vibration relief apparatus capable of reducing a frequency at a resonance point, to thereby reduce vibration transmissibility, resulting in improving a feeling in riding in a vehicle during traveling thereof. A suspension unit which is a vibration relief apparatus of the present invention includes coil springs and a torsion bar substantially horizontally arranged with respect to an X-link. The coil springs constitutes a first spring mechanism having negative spring characteristics and the torsion bar constitutes a second spring mechanism having positive spring characteristics. Such configuration permits a spring system constituted by the first and second spring mechanisms to have a spring constant about an equilibrium point set to be about 0. This permits a phase delay to be produced in a low-frequency region, so that the vibration relief apparatus may exhibit enhances vibration absorbing characteristics.

    摘要翻译： 一种能够降低共振点的频率，从而降低振动传递性的减振装置，能够提高行驶中的车辆的乘坐感。 作为本发明的振动释放装置的悬架单元包括螺旋弹簧和相对于X形连杆大致水平布置的扭杆。 螺旋弹簧构成具有负弹簧特性的第一弹簧机构，并且扭杆构成具有正弹簧特性的第二弹簧机构。 这种构造允许由第一和第二弹簧机构构成的弹簧系统的平衡点的弹簧常数设定为约0.这允许在低频区域中产生相位延迟，使得减振装置 可能表现出增强的振动吸收特性。