Dynamic optical information storage or retrieval – Dynamic mechanism optical subsystem – Optical storage medium support
Reexamination Certificate
2011-03-22
2011-03-22
Castro, Angel A. (Department: 2627)
Dynamic optical information storage or retrieval
Dynamic mechanism optical subsystem
Optical storage medium support
C310S06700R, C310S090000, C310S261100, C360S099080
Reexamination Certificate
active
07913269
ABSTRACT:
A motor used for a data storage disk drive is provided. The motor includes a rotor holder having a cylindrical portion. The cylindrical portion has a radially inner surface defining a through hole and an inner protruding section arranged at an axial end portion of the radially inner surface. The inner protruding section radially inwardly protrudes from the radially inner surface into the through hole. A shaft of the motor is inserted into the through hole and fixed to the radially inner surface of the cylindrical portion of the rotor holder with an adhesive. In the motor, a radially inner end of the inner protruding section of the rotor holder radially opposes an axially upper portion of the shaft. In addition, the portion of the axially lower surface of the inner protruding section of the rotor holder axially opposes the shaft while the axially upper portion of the shaft and the inner protruding portion are arranged in an axially vicinity manner.
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Iwai Yusuke
Takaki Hitoshi
Uchimura Tomoya
Castro Angel A.
Nidec Corporation
Westerman Hattori Daniels & Adrian LLP
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