| 摘要 |
PURPOSE: A golf swing practice instrument is provided to naturally practice swing sense and hitting posture and to stop hit golf ball at the initial site. CONSTITUTION: A golf swing practice instrument comprises: a casing of semicircle type with certain angle from the bottom through height controller(100) which is vertically formed; a base(400) which is placed at the front of the casing and has an artificial grass(410) on the surface; a rotation shaft(200) which is coupled inside the casing; a connection line(300) which is made of hard steel wire; and a rotation sensor(500) which displays rotation times of the golf ball on a display device(510).
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