发明名称 RIBBED MOLDED CASSETTE BASE
摘要 A molded videocassette base 10 having reduced wall thicknesses and ribs radiating from the gate 70, 72, 74, 76, 78, 80, 82, 84, 86, 88, 90, 92, 94, 96. Ribs 70, 72, 74, 76 are aligned with lines passing through the center of the supply reel spindle access hole 64 and the center of the take-up reel spindle access hole 66. The base 10 can also include a rib 90, 92, 94, 96 formed along the alignment groove on the outside of the base 10. Additional ribs 78, 80, 82, 84, 86, 88 extend to the left bridge 22 and right bridge 26 areas and along lines passing through the groove rib 90, 92, 94, 96. <IMAGE>
申请公布号 EP0568063(A3) 申请公布日期 1994.09.14
申请号 EP19930106966 申请日期 1993.04.29
申请人 MINNESOTA MINING AND MANUFACTURING COMPANY 发明人 JOHANSON, BRADLEY J.
分类号 G11B23/113;G11B23/087 主分类号 G11B23/113
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