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    • 2. 发明授权
    • Dynamic chair back lumbar support system
    • 动态椅背腰椎支撑系统
    • US08251448B2
    • 2012-08-28
    • US12048113
    • 2008-03-13
    • Jay R. MachaelJesse HahnCorey SusieBruce FifieldFederico FerrettiAlessandro SgottoDagmara SiemieniecMartin Broen
    • Jay R. MachaelJesse HahnCorey SusieBruce FifieldFederico FerrettiAlessandro SgottoDagmara SiemieniecMartin Broen
    • A47C3/00
    • A47C7/14A47C7/46
    • A chair back according to embodiments of the present invention includes a rigid support member for reclinable attachment to a base, a flexible frame member having a flexible frame and a mesh, the mesh at least partially spanning the frame, and a seat attachment member moving in synchronization with the rigid support member at a different rate than the rigid support member during reclining of the rigid support member, wherein a first portion of the flexible frame member is affixed to the rigid support member, wherein a second portion of the flexible frame member flexes freely, wherein the seat attachment member contacts at least part of the second portion of the flexible frame member, wherein the first portion moves with the rigid support member and the second portion moves with the seat attachment member such that a curvature of the second portion increases as the rigid support member reclines.
    • 根据本发明的实施例的椅子背部包括用于可靠地附接到基座的刚性支撑构件,具有柔性框架和网的柔性框架构件,所述网格至少部分地跨越框架,以及移动到 在刚性支撑构件的斜倚中以与刚性支撑构件不同的速率与刚性支撑构件同步,其中柔性框架构件的第一部分固定到刚性支撑构件,其中柔性框架构件的第二部分弯曲 其中所述座椅附接构件接触所述柔性框架构件的所述第二部分的至少一部分,其中所述第一部分与所述刚性支撑构件一起移动,并且所述第二部分与所述座椅附接构件一起移动,使得所述第二部分的曲率增加 因为刚性支撑构件倾斜。