Triangular pebble design for basketballs |
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申请号 | EP85100454 | 申请日 | 1985-01-17 | 公开(公告)号 | EP0157083A3 | 公开(公告)日 | 1987-06-16 |
申请人 | WILSON SPORTING GOODS COMPANY; | 发明人 | Martin, Robin Alan; | ||||
摘要 | The surface of a basketball is provided with rows of pebbles or projections, each of which has a flat triangular outer surface and three pointed apexes. The triangles in each row are arranged in alternating directions so that the fingers of a player will engage the pointed apexes of some triangles regardless of the direction in which the fingers extend. | ||||||
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说明书全文 |