DAMPER DEVICE
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United States of America Patent
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Issued Date -
Sep 1, 2016
app pub date -
Oct 20, 2014
filing date -
Oct 24, 2013
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Abstract
The damper device is equipped with: a cylinder unit having a sliding inner wall surface; a piston unit, having a piston head, which has an outer diameter part that slides on the sliding inner wall surface of the cylinder unit, and divides the interior space of the cylinder unit into a first gas chamber and a second gas chamber, a rod extending from the second gas chamber side of the piston head, and a closed-end hole which opens toward the first air chamber side of the piston head and extends through the interior of the rod in the direction of the second air chamber; and a guide shaft affixed to the first gas chamber side of the cylinder unit and equipped with a tip part having an outer circumferential surface that slides on the inner wall surface of the closed-end hole of the piston unit.
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