G - Physics – 11 – B
Patent
G - Physics
11
B
352/31.1, 352/31
G11B 23/087 (2006.01) G11B 23/037 (2006.01)
Patent
CA 1236214
Abstract Videocassette tape spool (10) including a wear button piece (24) which is formed as a separate, small piece and which projects beyond one of the flanges (14, 22) of the tape spool (10). The wear button piece (24) is molded of a highly abrasion-resistant polymer and is mounted to the hub (16) of the spool (10) by means of a cylindrical stud (40) projecting from the hub (16) and a hexagonal blind bore (33) formed within the wear button piece (24) which accepts the stud (40) in an interference fit.
481384
Minnesota Mining And Manufacturing Company
Smart & Biggar
LandOfFree
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