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公开(公告)号：US06854805B2
公开(公告)日：2005-02-15
申请号：US10393163
申请日：2003-03-20
CPC分类号： B60N2/7094
摘要： A seat structure includes a torsion bar 12 disposed along the width direction, and an arm 13 which is connected to the torsion bar 12, enforced in the direction of falling backward at a normal state by the torsion bar 12 in the rear of a seat cushion 10, and disposed is a flat-type supporting member 15 between the supporting frame 14 supported by the arm 13 and a frame member provided in front of the seat cushion, being strained by the elastic force of the torsion bar 12. Through this structure, the spring characteristic to give an influence on comfortability and riding comfort at the time of being seated can be given by the torsion bar 12, so that the number of coil springs which have been necessary in the vicinity of the body side can be reduced or the use of the coil spring can be stopped.
摘要翻译： 座椅结构包括沿宽度方向设置的扭力杆12和连接到扭杆12的臂13，其通过位于座垫的后部的扭杆12在正常状态下向后退的方向 如图10所示，并且在由臂13支撑的支撑框架14和设置在座垫前方的框架构件之间设置有被扭杆12的弹力拉紧的平坦型支撑构件15.通过这种结构， 可以通过扭杆12给出在坐着时对舒适性和骑乘舒适度的影响的弹簧特性，从而可以减少在身体侧附近必要的螺旋弹簧的数量，或者 可以停止使用螺旋弹簧。
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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。
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公开(公告)号：US07631933B2
公开(公告)日：2009-12-15
申请号：US11660670
申请日：2005-08-25
申请人： Etsunori Fujita , Seiji Kawasaki , Yasuhide Takata
发明人： Etsunori Fujita , Seiji Kawasaki , Yasuhide Takata
CPC分类号： B60N2/42745 , B60N2/4228 , B60N2/888 , B60N2/986
摘要： A seat includes a back part frame which is elastically deformable in a direction such that right and left side part frames are brought closer to, or moved away from, each other, and a tensile structural element which is stretched between the right and left side part frames so as to configure a backrest. Further, a headrest is provided at an upper part of the back part frame. In addition, the tensile structural element is stretched over the back part frame so as to configure a backrest, and is configured such that the back part frame is deformed so that the headrest is moved forward due to a tensile force resulting from a load imparted on the backrest.
摘要翻译： 座椅包括后部框架，该后部框架可以使得左右侧部框架彼此靠近或远离的方向弹性变形，并且在右侧部分和左侧部分之间被拉伸的拉伸结构元件 框架以配置靠背。 此外，在后部框架的上部设置头枕。 此外，拉伸结构元件在后部框架上被拉伸以构成靠背，并且被构造成使得后部框架变形，使得头枕由于施加的载荷引起的拉力而向前移动 靠背
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公开(公告)号：US20070013217A1
公开(公告)日：2007-01-18
申请号：US11485729
申请日：2006-07-13
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。
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公开(公告)号：US07104607B2
公开(公告)日：2006-09-12
申请号：US10949758
申请日：2004-09-27
申请人： Eiichi Yasuda , Shun'ichi Doi , Kazukata Takei , Kiyokazu Sunami , Etsunori Fujita , Yumi Ogura , Seiji Kawasaki , Kazuyoshi Chizuka , Yasuhide Takata
发明人： Eiichi Yasuda , Shun'ichi Doi , Kazukata Takei , Kiyokazu Sunami , Etsunori Fujita , Yumi Ogura , Seiji Kawasaki , Kazuyoshi Chizuka , Yasuhide Takata
IPC分类号： B60N2/02
CPC分类号： B60N2/42745 , B60N2/2222 , B60N2/888 , B60N2205/30
摘要： This present invention discloses a seat, comprising: a seat cushion; and a seat back frame connected to the seat cushion, the seat back frames being bent in a range of specified bending angle in a direction of moving the top end backward by a backward load over a predetermined value, by way of a joint provided at an intermediate portion in the vertical direction, such that the seat back frame receives a reaction force corresponding to the bending angle.
摘要翻译： 本发明公开了一种座椅，包括：座垫; 以及座椅靠背框架，其连接到所述座垫上，所述座椅靠背框架在通过设置在所述座垫上的接头的方向上在向上移动顶端的反向负载超过预定值的方向上在特定弯曲角度的范围内弯曲 中间部分在垂直方向上，使得座椅靠背框架接收与弯曲角度相对应的反作用力。
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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
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。
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公开(公告)号：US07303229B2
公开(公告)日：2007-12-04
申请号：US10520458
申请日：2003-07-17
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。
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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。
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公开(公告)号：US20050231011A1
公开(公告)日：2005-10-20
申请号：US10520458
申请日：2003-07-17
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。
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公开(公告)号：US07845733B2
公开(公告)日：2010-12-07
申请号：US11485729
申请日：2006-07-13
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。
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