Patent ID: 6620089
Filing Date: 2003-09-16
Classification: B04B

Abstract:
A centrifugal separator comprising:a driving unit; a power transmission unit including a driving shaft operatively connected to the driving unit to be rotatable and a crown mounted to one end of the driving shaft; a swing rotor having a rotor body to which an insertion hole into which the crown is inserted is formed and including a sample holding member comprising a plurality of buckets, said swing rotor being formed with a projection member so as to extend outward; a rotor casing into which said swing rotor is accommodated in a rotatable manner; and a receiving member disposed on a side of the rotor casing and adapted to receive said projection member, wherein, in a state that the crown is inserted into the insertion hole formed to the rotor body from a bottom wall side of the rotor casing, a first distance between the bottom wall of the rotor casing and a front end portion of the crown is made smaller than a second distance between a bottom portion of the projection member and a bottom portion of the insertion hole and wherein said receiving member is formed as an annular recess, said annular recess having a depth larger than a difference between the second distance and the first distance.