Appeal No. 1998-1794
Application 08/738,467
This is a decision on appeal under 35 U.S.C. § 134 from
the final rejection of claims 9-43.
We affirm-in-part.
BACKGROUND
The disclosed invention relates to a spindle motor
assembly for a hard disc drive.
Claim 9 is reproduced below.
9. A spindle motor assembly comprising:
a fixed shaft;
a spindle hub journaled coaxially for rotation
about the fixed shaft, the spindle hub having inner and
outer surfaces, an enlarged thickness flange portion with
a support surface for supporting a disc stack, and a
reduced thickness rotor carrying portion located adjacent
the bearing means rotatably coupling the spindle hub to
the fixed shaft;
magnet means carried by an outer surface of the
rotor carrying portion of the spindle hub, the magnet
means having a plurality of poles, and forming the rotor
portion of the spindle motor; and
stator means having a plurality of fixed
windings for cooperating with the magnet means to rotate
the spindle hub with respect to the shaft.
The Examiner relies on the following prior art:
MaCleod [sic, MacLeod] 4,488,076 December 11,
1984
Yamashita et al. (Yamashita) 4,552,417 November
12, 1985
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