Appeal No. 2003-0267
Application 09/427,229
DISCUSSION
Jabbari discloses a disc drive 100 comprising a casing 102,
a disc 104, a spindle motor 106, an actuator arm assembly 108
including an actuator arm 118, a read/write head assembly 110, a
magnetic motor coil actuator motor 112, a motor coil bobbin 114,
and a plastic injection molded part 224 fixedly attaching the
motor coil bobbin 114 to the actuator arm 118. Of particular
relevance is the following passage from the reference describing
the interface between the injection molded part and the actuating
arm:
[r]eferring, now to FIG. 2B, actuator arm 118 includes
complementary locking flanges 200 and 202. Unlike the
smooth, contoured and longer actuator arm flanges 120
and 121 shown in FIG. 1, each locking flange 200 and 202
contain[s] top and bottom surfaces with molded cutouts,
or indentations 208, 210 and 212. In the preferred
embodiment, the actuator arm 118 is formed by casting
aluminum, with the cutouts formed by protrusions in the
molding blocks. Those ordinarily skilled in the art
will recognize the actuator arm may be formed by other
means as is known in the art, such as metal injection
molding, or from other materials, such as stainless
steel. In the preferred embodiment the cutouts are
semi-circular shape of approximately 0.062 inches in
diameter and trapezoidal shape with a height of 0.040
and width of 0.030 inches, and extend to a depth of
approximately 0.015 inches in the locking flanges 200
and 202. Those of ordinary skill in the art will
recognize that the size and shape of the cutouts merely
180, 181 (Bd. App. 1957)), presumably in light of the amendments
made subsequent to final rejection.
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