Tennis ball serving device
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- 徐州馨予康建材有限公司
- Publication Date
- 2018-12-21
Smart Images

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Abstract
Description
technical field
[0001] The invention belongs to the technical field of tennis equipment, in particular to a tennis ball serving device. Background technique
[0002] In tennis training, it is the most commonly used method in tennis training that the coach continuously feeds the ball and the players return the ball continuously. This method not only consumes a lot of physical strength of the coach, but also cannot track the speed and trajectory of the ball, making it difficult to Make a scientific judgment on the accuracy and stability of serving. As a training auxiliary equipment, the tennis ball machine can continuously, stably and accurately serve the players to achieve the purpose of scientific and precise training.
[0003] Its serving principle of the tennis ball serving machine of the prior art is the friction wheel serving, and the friction wheel ball serving machine adopts the principle of double-wheel counter-rotation extruding and rubbing the ball to serve. The e...