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    BACK SUPPORT FOR A CHAIR
    1.
    发明公开
    BACK SUPPORT FOR A CHAIR 审中-公开
    返回支持一位主席

    公开(公告)号：EP3231330A1

    公开(公告)日：2017-10-18

    申请号：EP17155690.5

    申请日：2017-02-10

    申请人： Haworth, Inc.

    发明人： BEYER, Peter J. ,  FLEET, Kyle R. ,  SCHASEL, Michael E. ,  KERCHER, Todd A. ,  GESSLER, Brian S. ,  BELLINGAR, Teresa A.

    IPC分类号： A47C7/46

    CPC分类号： A47C7/462 ,  A47C7/40 ,  B29C45/00 ,  B29L2031/771 ,  B68G5/00

    摘要： An office-type chair (10) including a back support (12) having a suspension mesh (14) back support and a back support frame (16). The suspension mesh (14) back support has an integral retaining channel (48) disposed at a peripheral edge thereof, and the back support frame (16) includes a central pair of upright support posts (18) and wedge base (22) for mounting to a chair frame. The back support frame (16) includes a plurality of flexible and spaced support arms (20) extending laterally outward from the upright support posts (18). The support arms each have a peripheral edge configured for fastenerless attachment in a tensioned state within the suspension mesh (14) retaining channel (48). An upholstery cover (60) encapsulates the suspension mesh (14) and back support frame (16). The office chair (10) also includes a lumbar mechanism (80) including a resilient cushion (62) that may be positioned in the space between the suspension mesh (14) and the support frame (16) and adjusted along the vertical extent of the back support (12) by rolling the resilient cushion (62) on the rear of the suspension mesh (14).

    摘要翻译： 一种办公型椅子（10），包括具有悬挂网（14）背部支撑和靠背支撑框架（16）的靠背支撑件（12）。 悬挂网（14）背部支撑件具有设置在其外围边缘处的整体保持通道（48），并且后部支撑框架（16）包括用于安装的中央一对竖直支撑柱（18）和楔形基部（22） 到椅子框架。 背部支撑框架（16）包括多个柔性且间隔开的支撑臂（20），所述支撑臂从立式支撑柱（18）侧向向外延伸。 每个支撑臂都具有周边边缘，该周边边缘构造成用于在悬挂网格（14）保持通道（48）内处于张紧状态的紧固件连接。 室内装饰罩（60）封装悬挂网（14）和后支撑框架（16）。 所述办公椅（10）还包括腰部机构（80），所述腰部机构（80）包括弹性缓冲垫（62），所述缓冲垫可定位在悬挂网状物（14）与支撑框架（16）之间的空间中并沿着 通过在所述悬挂网（14）的后部上滚动所述弹性垫（62）来支撑所述背支撑件（12）。

    BACK SUPPORT FOR A CHAIR
    3.
    发明公开
    BACK SUPPORT FOR A CHAIR 审中-公开

    公开(公告)号：EP3827705A1

    公开(公告)日：2021-06-02

    申请号：EP20216539.5

    申请日：2017-02-10

    申请人： Haworth, Inc.

    发明人： BEYER, Peter J. ,  FLEET, Kyle R. ,  SCHASEL, Michael E. ,  KERCHER, Todd A. ,  GESSLER, Brian S. ,  BELLINGAR, Teresa A.

    IPC分类号： A47C7/40 ,  A47C7/46 ,  A47C31/02

    摘要： An office-type chair including a back support having a suspension mesh back support and a back support frame. The suspension mesh back support has an integral retaining channel disposed at a peripheral edge thereof, and the back support frame includes a central pair of upright support posts and wedge base for mounting to a chair frame. The back support frame includes a plurality of flexible and spaced support arms extending laterally outward from the upright support posts. The support arms each have a peripheral edge configured for fastenerless attachment in a tensioned state within the suspension mesh retaining channel. An upholstery cover encapsulates the suspension mesh and back support frame. The office chair also includes a lumbar mechanism including a resilient cushion that may be positioned in the space between the suspension mesh and the support frame and adjusted along the vertical extent of the back support by rolling the resilient cushion on the rear of the suspension mesh.

    BACK SUPPORT FOR A CHAIR
    4.
    发明公开
    BACK SUPPORT FOR A CHAIR 审中-公开

    公开(公告)号：EP3533360A1

    公开(公告)日：2019-09-04

    申请号：EP19170342.0

    申请日：2017-02-10

    申请人： Haworth, Inc.

    发明人： BEYER, Peter J. ,  FLEET, Kyle R. ,  SCHASEL, Michael E. ,  KERCHER, Todd A. ,  GESSLER, Brian S. ,  BELLINGAR, Teresa A.

    IPC分类号： A47C7/46 ,  A47C17/80

    摘要： An office-type chair including a back support having a suspension mesh back support and a back support frame. The suspension mesh back support has an integral retaining channel disposed at a peripheral edge thereof, and the back support frame includes a central pair of upright support posts and wedge base for mounting to a chair frame. The back support frame includes a plurality of flexible and spaced support arms extending laterally outward from the upright support posts. The support arms each have a peripheral edge configured for fastenerless attachment in a tensioned state within the suspension mesh retaining channel. An upholstery cover encapsulates the suspension mesh and back support frame. The office chair also includes a lumbar mechanism including a resilient cushion that may be positioned in the space between the suspension mesh and the support frame and adjusted along the vertical extent of the back support by rolling the resilient cushion on the rear of the suspension mesh.