Dynamic chair back lumbar support system
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United States of America Patent
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Nov 29, 2016
Grant Date -
Jul 4, 2013
app pub date -
Jul 25, 2012
filing date -
Mar 13, 2007
priority date (Note) -
In Force
status (Latency Note)
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Abstract
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.
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Family
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