Two-plane balance for spindle motors

Details Two-plane balance for spindle motors Two-plane balance for spindle motors

2008-01-07

2008-12-09

Chen, Tianjie (Department: 2627)

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Reexamination Certificate

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07463446

ABSTRACT:
In a spindle hub configured for rotation about an axis, through holes extend from a first end of the spindle hub to a second end of the spindle hub. The through holes are generally parallel to the axis. A method of achieving two-plane balance of a disc pack assembly by positioning one or more weights in one or more of the through holes and retaining the weight in the position, such that it is possible to access each weight from the top of the spindle hub.

REFERENCES:
patent: 5182738 (1993-01-01), Yoshikawa
patent: 5621588 (1997-04-01), Williams et al.
patent: 6023839 (2000-02-01), Kinoshita et al.
patent: 6031310 (2000-02-01), Ishikawa et al.
patent: 6053681 (2000-04-01), Mattershead
patent: 6304412 (2001-10-01), Voights
patent: 6608733 (2003-08-01), Elsing
patent: 2001/0013989 (2001-08-01), Saiki et al.

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