DUST SEAL
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United States of America Patent
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Issued Date -
Aug 17, 2017
app pub date -
May 3, 2017
filing date -
Nov 14, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
A dust seal for sealing a gap between an opening and a shaft inserted through the opening includes a dust seal body in an annular shape and a bushing in an annular shape. The shaft is slidably inserted through the bushing. The dust seal body includes an attaching portion, a first accordion unit, and a second accordion unit. The first accordion unit and the second accordion unit are arranged side by side in a direction of an axis. The first accordion unit is integral with the attaching portion, is joined to the attaching portion at an outer periphery, and is fixed to the bushing at an inner periphery. The second accordion unit is fixed to the attaching portion at the outer periphery, and locked to the bushing at the inner periphery.
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