BOTTOM FOR BED APPARATUS
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United States of America Patent
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Issued Date -
Feb 11, 2016
app pub date -
Mar 19, 2014
filing date -
Apr 18, 2013
priority date (Note) -
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Abstract
To provide a bottom for a bed apparatus that can relieve the sensation of being pressed and that at the same time is lightweight, easy to transport and can be cleaned easily. A bottom for a bed apparatus having a back-raising mechanism, includes a flexing bottom that is arranged between a back bottom and a hip bottom and can be flexed. In a back-raising operation, the flexing bottom flexes between the back bottom and the hip bottom whilst sliding downward over the surface of the uprising back bottom.
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