Pneumatic lordosis support
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United States of America Patent
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Dec 28, 2010
Issued Date -
N/A
app pub date -
Oct 31, 2005
filing date -
Nov 17, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
A pneumatic lordosis support (1) consists of a cushion (3), which is integrated into the backrest (2) of a seat. Laterally of a vertical center line (7), the cushion encompasses horizontal connections (8) between a front side and a rear side of the cushion (3). The cushion (3) is composed of an air-tight flexible membrane. In the region of the vertical center line (7), the connections (8) encompass breaks. Vertically offset to the connections (8), the cushion (3) encompasses further central horizontal connections (10), which extend substantially across the region of the breaks in the connection (8). In the region where connections (8) and central connections (10) are located close to one another, reduced radii of the membrane lead to the occurrence of less stress than in the remaining cushions (3) and allow the spine of a user to dip into the cushion (3) more softly.
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