发明名称 Tennis training device
摘要 In a tennis training device there is a curved track whose curvature corresponds to the correct path that a tennis racquet should travel during a proper serve. The track has a channel along its length. The channel is sized and configured to receive a coupling which is attached to the head of a tennis racquet. The coupling travels along the track and allows the head of the tennis racquet to rotate relative to the track. The tennis racquet coupling preferably is a clip configured for releasable attachment to a head of a tennis racquet and a connector having an elongated body and a head attached to the body.
申请公布号 US9227130(B1) 申请公布日期 2016.01.05
申请号 US201514690664 申请日期 2015.04.20
申请人 发明人 Burdick Joshua
分类号 A63B69/38 主分类号 A63B69/38
代理机构 Buchanan Ingersoll & Rooney PC 代理人 Buchanan Ingersoll & Rooney PC
主权项 1. A tennis training device comprising: a tennis racquet coupling comprised of a clip configured for releasable attachment to a head of a tennis racquet, and a connector having an elongated body and a head attached to the body, the elongated body connected to the clip in a manner so that the clip can rotate around a longitudinal axis through the elongated body; a curved track having a channel along its length, the channel sized and configured to receive the head of the racquet coupling and permit the coupling to travel along the track, the track having a curvature corresponding to a path of a swing of a tennis racquet; and a support bracket connected to the track for attaching the track to a vertical surface.
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