Patent ID: 6134976
Filing Date: 2000-10-24
Classification: G01M,G11B,Y10T

Abstract:
An apparatus for loading a spindle used in a disc drive for measurement of a rotational characteristic of the disc drive spindle, the apparatus comprising:a first generally annular member;a second generally annular member removably coupled to the first generally annular member, the first and second generally annular members defining a bore therethrough; anda resilient sleeve, sized to fit in the bore and adapted to receive the disc drive spindle therein, the first and second annular members having sleeve contacting portions configured to exert an increasing force on the sleeve as the first and second annular members are brought axially closer to one another to load the disc drive spindle, wherein the sleeve contacting portion of the first annular member is defined by an inner surface of the first annular member disposed at a non-zero angle relative to a first outer surface portion of the sleeve, and wherein the sleeve contacting portion of the second annular member is defined by an inner annular surface of the second annular member disposed at a non-zero angle relative to a second outer surface portion of the sleeve.