发明名称 Indicating means for tetherball game
摘要 Apparatus for a tetherball game which includes a pole having a helix mounted thereon, and a ball attached to a line the other end of the line being slidably attached to the helix so that the attachment can travel up or down the helix depending on the direction in which the ball is struck, and which includes means for indicating when the attachment reaches either end of the helix to show a win for one or the other player, the means including a divertible means which diverts the attachment when the attachment emerges from the helix, and is held captive by the means.
申请公布号 US5024446(A) 申请公布日期 1991.06.18
申请号 US19900547588 申请日期 1990.07.03
申请人 NORMAN, NEVILLE M. 发明人 NORMAN, NEVILLE M.
分类号 A63B69/00;A63B71/02;A63B71/06 主分类号 A63B69/00
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