发明名称 Balanced reel hub for tape cassette reels
摘要 A videocassette tape reel hub includes an outer cylinder having a receptacle formed as a recessed portion of the outer surface on the inside of the outer cylinder. A clamp is receivable in the receptacle to fasten tape to the reel hub. A balancing mass is formed within the outer cylinder to balance the increased mass of the clamp and receptacle.
申请公布号 US5472150(A) 申请公布日期 1995.12.05
申请号 US19940201667 申请日期 1994.02.25
申请人 MINNESOTA MINING AND MANUFACTURING COMPANY 发明人 TEUBER, VINCENT P.;GIBBS, JEFFREY T.
分类号 G11B23/087;(IPC1-7):B65H75/14;B65H75/28 主分类号 G11B23/087
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