Chair utilizing self-weight traction
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United States of America Patent
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Oct 13, 2015
Grant Date -
Mar 13, 2014
app pub date -
May 17, 2012
filing date -
May 18, 2011
priority date (Note) -
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Abstract
A chair utilizing self-weight traction consists of: a seat unit (10) which is arranged to swing about a horizontal shaft (14) installed on chair legs (12) and which has a seat plate (16) and a back plate 18; and a binding foothold (20) arranged below the seat unit (10) so as to bind a foot of a user. According to the present invention, the seat unit (10) of the chair swings backwardly about the horizontal shaft (14) using the body weight of the user, thus enabling the user to readily take a self-weight traction posture. Therefore, the user who works while seated and thus may have a high practical need for spinal stretching may simply stretch his/her spine even during work, without being restricted in time or space, leading to the effect of treating and preventing spinal disorders such as herniated lumbar disc and scoliosis caused by the long-term use of a chair.
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