Swing rotor with holding pins fixed to branch arms and having connection part connecting the branch arms for centrifuge and centrifuge
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United States of America Patent
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Aug 15, 2017
Grant Date -
May 5, 2016
app pub date -
Oct 29, 2015
filing date -
Oct 30, 2014
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Provided is a swing rotor for a centrifuge. The centrifuge includes a swing type rotor body having a plurality of holding pins and a plurality of buckets held by the holding pins in a swingable manner. On the rotor body, a connection part is formed to connect two branch arms that diverge from an arm part on an outer peripheral side. A thickness-reduced part penetrating in the same direction as a driving shaft is formed in a region surrounded by the two branch arms on an inner peripheral side of the connection part. Since the branch arms deform accordingly to a certain extent, partial concentration of the stress applied on the holding pins due to a centrifugal load can be alleviated. Thus, the lifespan of the centrifuge can be improved and the centrifugal separation operation can be stabilized.
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