G - Physics – 11 – B
Patent
G - Physics
11
B
352/31.1
G11B 23/087 (2006.01)
Patent
CA 1226062
ABSTRACT OF THE DISCLOSURE A reel hub for a tape cassette has inner and outer annular rims connected by an intermediate, spoke-like portion in which a number of bores are formed to enable light to pass there through. Radially extending reinforcing ribs are provided between the bores to strengthen the intermediate portion against cracking or warping Some of the reinforcing ribs have enlarged portions adapted to be abutted by knock-out pins for removal from a mold during a standard molding process.
464710
Ohta Teruo
Sasaki Nobuyoshi
Gowling Lafleur Henderson Llp
Sony Corporation
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