Patent ID: 6078475
Filing Date: 2000-06-20
Classification: F16C,G11B

Abstract:
A rotary actuator within a disk drive, wherein said disk drive includes a transducer head connected to an E-block, a base, and a rotating data-storage disk journalled to said base, said rotary actuator comprising:a first pivot bearing fitted in a recess of a top plate of said rotary actuator, said first pivot bearing having a generally conical shape first pivot bearing socket with a first spherical tip;a second pivot bearing fitted in a recess of a bottom plate of said rotary actuator, said second pivot bearing socket having a generally conical shape second pivot bearing socket with a second spherical tip, wherein said first pivot bearing socket and said second pivot bearing socket are substantially identical, wherein said second pivot bearing socket is placed oppositely facing said first pivot bearing socket defining an axis therebetween;a pivot shaft mounted between said first pivot bearing socket and said second pivot bearing socket along said defined axis, said pivot shaft has a first end and a second end, said first end and said second end are generally conical in shape with a rounded tip, said first end and said second end of said pivot shaft are substantially identical, said pivot shaft is embedded within said first and second spherical tip and a pivot center of said E-block having an axis of rotation for incrementally rotationally positioning said transducer head at data locations defined on a surface of said rotating data-storage disk, said axis of rotation of said E-block being generally coaxial to said defined axis of said pivot bearing sockets.