Shock absorber
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United States of America Patent
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May 9, 2017
Issued Date -
N/A
app pub date -
Jan 21, 2014
filing date -
Jan 25, 2013
priority date (Note) -
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Abstract
A shock absorber includes a damping passage that connects an expanding-side chamber with a contracting-side chamber inside a cylinder, a housing that forms a pressurizing chamber, a free piston that partitions the pressurizing chamber into an expanding-side pressurizing chamber and a contracting-side pressurizing chamber, an expanding-side passage that connects the expanding-side chamber with the expanding-side pressurizing chamber, a contracting-side passage that connects the contracting-side chamber with the contracting-side pressurizing chamber, a spring element configured to suppress displacement of the free piston, a cushion configured to collide with the free piston to suppress displacement of the free piston thereover when the free piston is displaced from the neutral position with respect to the housing by a predetermined displacement amount or more; and a cushion fixing member fixed to the housing, the cushion fixing member holding the cushion.
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