Posture holding apparatus
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United States of America Patent
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Mar 28, 2017
Grant Date -
Jan 16, 2014
app pub date -
Jul 12, 2013
filing date -
Jul 13, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A posture holding apparatus including, a base onto which a substance is placed, a supporting member being attached onto the base so that the supporting member swings between a standby state and an active state, and a swinging support member having a returning force for returning the supporting member to the standby state,
- wherein the swinging support member is structured by a swinging member, a biasing member for applying a biasing force to the swinging member to the standby state, a liquid pressure output member for outputting liquid pressure in response to a weight of the substance, and a displacement amount adjusting member, with which a point of action of the biasing force applied from the biasing member to the supporting member is moved in response to the liquid pressure such that a distance from the pivot to the point of action changes.
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