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    Seat structure
    2.
    发明授权
    Seat structure 有权
    座椅结构

    公开(公告)号：US07044551B2

    公开(公告)日：2006-05-16

    申请号：US10767090

    申请日：2004-01-29

    申请人： Etsunori Fujita ,  Kazuyoshi Chizuka ,  Seiji Kawasaki ,  Yasuhide Takata ,  Yumi Ogura ,  Eiichi Yasuda ,  Shun'ichi Doi ,  Kazukata Takei

    发明人： Etsunori Fujita ,  Kazuyoshi Chizuka ,  Seiji Kawasaki ,  Yasuhide Takata ,  Yumi Ogura ,  Eiichi Yasuda ,  Shun'ichi Doi ,  Kazukata Takei

    IPC分类号： A47C3/025 ,  A47C7/02

    CPC分类号： B60N2/66 ,  B60N2/7011 ,  B60N2/7064

    摘要： A seat structure includes a torsion bar 40 disposed along the width direction in the vicinity of the bottom end of a back frame 20, a pelvis supporting plate 50 is connected to the torsion bar 40, and a flat-type supporting member 60 for the seat back is engaged with the vicinity of the bottom end of the pelvis supporting plate 50 and strained. Slack of the flat-type supporting member 60 can be eliminated by the pelvis supporting plate 50 to enhance the appearance. Further, a vibration inputted from the seat back side, and vibrates as if patting on the back of the human body can be absorbed by an elastic force of the torsion bar 40.

    摘要翻译： 座椅结构包括沿着后框架20的底端附近的宽度方向设置的扭杆40，骨架支撑板50连接到扭杆40，并且用于座椅的平坦型支撑构件60 背部与骨盆支撑板50的底端附近接合并变形。 可以通过骨盆支撑板50来消除扁平支撑构件60的松弛，以增强外观。 此外，从座椅靠背侧输入的振动，像在人体背部拍拍一样振动，能够被扭杆40的弹力吸收。

    Seat
    4.
    发明申请
    Seat 有权
    座位

    公开(公告)号：US20070013217A1

    公开(公告)日：2007-01-18

    申请号：US11485729

    申请日：2006-07-13

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

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

    IPC分类号： A47C7/46

    CPC分类号： B60N2/42709 ,  B60N2/42736 ,  B60N2/42754 ,  B60N2/72

    摘要： A seat cushion of a vehicle seat has a base seat whose front end is anchored to a front frame of a frame for a sitting portion, and whose rear end is connected to a rear frame of the frame for a sitting portion via helical tension springs. A supporter, supported via helical tension springs at a pair of left and right side frames of the frame for a sitting portion, is disposed at a lower side of the base seat so as to support a femoral region of a seated person. The supporter and the helical tension springs structure an auxiliary vibration system whose mass element is a femoral region of a seated person. The auxiliary vibration system is made to function as a dynamic vibration absorber with respect to up-down vibrations of a main vibration system whose mass element is an upper body of a seated person.

    摘要翻译： 车座的座垫具有基座，其前端被锚定到用于坐姿的框架的前框架，并且其后端通过螺旋拉伸弹簧连接到用于座位的框架的后框架。 在座椅的框架的一对左右侧框架处通过螺旋拉伸弹簧支撑的支撑件设置在基座的下侧，以支撑就座者的股骨区域。 支撑器和螺旋拉伸弹簧构成辅助振动系统，其质量元素是坐在人的股骨区域。 辅助振动系统相对于主体振动系统的上下振动起到动力吸振器的作用，其主体振动系统的质量元件是就座人的上身。

    Seat structure
    5.
    发明授权
    Seat structure 有权
    座椅结构

    公开(公告)号：US06817674B2

    公开(公告)日：2004-11-16

    申请号：US10309605

    申请日：2002-12-04

    申请人： Etsunori Fujita ,  Kazuyoshi Chizuka ,  Seiji Kawasaki ,  Yumi Ogura ,  Naoki Ochiai ,  Yasuhide Takata ,  Shigeyuki Kojima ,  Miho Kikusui

    发明人： Etsunori Fujita ,  Kazuyoshi Chizuka ,  Seiji Kawasaki ,  Yumi Ogura ,  Naoki Ochiai ,  Yasuhide Takata ,  Shigeyuki Kojima ,  Miho Kikusui

    IPC分类号： A47C702

    CPC分类号： B60N2/42709 ,  B60N2/643 ,  B60N2/646 ,  B60N2/686 ,  B60N2/70

    摘要： The object of the present invention is to suppress rebound of a human body by making a reaction force small due to a large damping ratio. A bulging portion 11 is formed at a seat cushioning member 14 which is a tension structure. This structure has a structure of changing the damping characteristics functioned by the change in strain energy and tension by deformation created by a plane wave of the tension structure in accordance with the magnitude of the excitation force of an inputted vibration. Therefore, since the damping characteristics function with a small damping ratio to an input of a small excitation force, it can relieve the vibration with a phase difference due to the spring property of the seat cushioning member 14 and/or a back cushioning member 24, and to an input of a large excitation force, by increase of the strain energy and decrease of the tension, the damping characteristics function with a large damping ratio and a long operating time, so that rebound of a human body upward can be suppressed.

    摘要翻译： 本发明的目的是通过使阻尼比大的反作用力较小来抑制人体的反弹。 凸起部11形成在作为张力结构的座椅缓冲构件14上。 该结构具有通过根据输入振动的激励力的大小由张力结构的平面波产生的变形而改变由应变能和张力的变化起作用的阻尼特性的结构。 因此，由于阻尼特性对于小的励磁力的输入具有小的阻尼比功能，所以能够缓和由于座椅缓冲部件14和/或后缓冲部件24的弹簧特性引起的相位差的振动， 并且通过增加应变能量和张力减小，输入大的励磁力，阻尼特性起着较大的阻尼比和较长的作业时间的作用，能够抑制人体向上的回弹。

    Seat
    6.
    发明授权
    Seat 有权
    座位

    公开(公告)号：US07845733B2

    公开(公告)日：2010-12-07

    申请号：US11485729

    申请日：2006-07-13

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

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

    IPC分类号： A47C7/02

    CPC分类号： B60N2/42709 ,  B60N2/42736 ,  B60N2/42754 ,  B60N2/72

    摘要： A seat cushion of a vehicle seat has a base seat whose front end is anchored to a front frame of a frame for a sitting portion, and whose rear end is connected to a rear frame of the frame for a sitting portion via helical tension springs. A supporter, supported via helical tension springs at a pair of left and right side frames of the frame for a sitting portion, is disposed at a lower side of the base seat so as to support a femoral region of a seated person. The supporter and the helical tension springs structure an auxiliary vibration system whose mass element is a femoral region of a seated person. The auxiliary vibration system is made to function as a dynamic vibration absorber with respect to up-down vibrations of a main vibration system whose mass element is an upper body of a seated person.

    摘要翻译： 车座的座垫具有基座，其前端被锚定到用于坐姿的框架的前框架，并且其后端通过螺旋拉伸弹簧连接到用于座位的框架的后框架。 在座椅的框架的一对左右侧框架上通过螺旋拉伸弹簧支撑的支撑件设置在基座的下侧，以支撑就座者的股骨区域。 支撑器和螺旋拉伸弹簧构成辅助振动系统，其质量元素是坐在人的股骨区域。 辅助振动系统相对于主体振动系统的上下振动起到动力吸振器的作用，其主体振动系统的质量元件是就座人的上身。

    Seat structure
    7.
    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。

    Seat construction
    8.
    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 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。

    SEAT
    10.
    发明申请
    SEAT 有权
    座位

    公开(公告)号：US20110169317A1

    公开(公告)日：2011-07-14

    申请号：US12994839

    申请日：2009-05-28

    申请人： Etsunori Fujita ,  Yumi Ogura ,  Seiji Kawasaki ,  Eiji Sugimoto ,  Soichi Makita ,  Yasuhide Takata ,  Shigeru Maeda ,  Ryoji Matsukawa ,  Hideyuki Yamane ,  Seiya Yoshida

    发明人： Etsunori Fujita ,  Yumi Ogura ,  Seiji Kawasaki ,  Eiji Sugimoto ,  Soichi Makita ,  Yasuhide Takata ,  Shigeru Maeda ,  Ryoji Matsukawa ,  Hideyuki Yamane ,  Seiya Yoshida

    IPC分类号： A47C7/02 ,  B60N2/68

    CPC分类号： A47C7/02 ,  A47C7/282 ,  A47C7/40 ,  A47C31/006 ,  B60N2/68 ,  B60N2/682 ,  B60N2/686

    摘要： A seat has a configuration in which, in each side frame of a cushion frame, an inner frame and an outer frame which have flanges extending along peripheral edges thereof are faced to each other with a space therebetween at least partially, and the flanges are fixed by hemming process along the entire peripheral edges thereof. Since the entire peripheral edges are hemmed, the inner frame and the outer frame are securely fixed. Additionally, since the inner frame and the outer frame which are thin-plate-shaped are used, reduction in weight of each side frame can be achieved. Further, since the inner frame and the outer frame are faced to each other with a space therebetween at least partially, a compressive/tensile strength required as a side frame can be secured by inserting an expanded bead body into the space.

    摘要翻译： 座椅具有如下构造：在缓冲框架的每个侧框架中，具有沿其周边缘延伸的凸缘的内框架和外框架至少部分地彼此面对并具有间隔，并且凸缘是固定的 通过折边工艺沿着其整个周边。 由于整个周边边缘被卷绕，所以内框架和外框架牢固地固定。 此外，由于使用了薄板状的内框架和外框架，因此可以实现每个侧框架的重量的减轻。 此外，由于内框架和外框架至少部分地彼此面对，因此可以通过将膨胀的胎圈体插入到空间中来确保作为侧框架所需的压缩/拉伸强度。