发明名称 Training device for teaching pocket billiards
摘要 A training device for teaching pocket billiards comprises an overlay placed on a playing surface of a pool table having indicia representing a plurality of predetermined shots. Indicia for each of the shots including a cue ball marker and an object ball marker for indicated placement of a cue ball and an object ball, and a cue ball return area to which the cue ball returns after impact with the object ball. Indicia includes a first trajectory line extending between the cue ball marker and the object ball marker, and a second trajectory line extending from the object ball marker in the direction of one of the pockets. An associated guide manual is provided containing English instructions for imparting spin to the cue ball according to the shot. The indicia for each of the predetermined shots are a different color so that the player can easily differentiate between shots.
申请公布号 US2003216188(A1) 申请公布日期 2003.11.20
申请号 US20020141732 申请日期 2002.05.09
申请人 BOATWRIGHT JOHN WAYNE 发明人 BOATWRIGHT JOHN WAYNE
分类号 A63D15/00;(IPC1-7):A63D15/00 主分类号 A63D15/00
代理机构 代理人
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