| 摘要 |
<p>PURPOSE: To provide a golf swing training device which is used while a golf ball is hit or without hitting the ball by providing smooth arc-like surfaces on male and female members of a hinge mechanism to facilitate two-way movement between them, whereby various defects of swing of a golfer are corrected. CONSTITUTION: A golf swing training device A has a hinge mechanism B incorporated in a golf club shaft C. The hinge mechanism B includes a male member 26 and a female member 28, wherein the female member 26 is fixed to the upper end 14 of the shaft at a first end 30. The female member 26 and the shaft upper end 14 are made adhere to each other by epoxy resin, and the male member 28 is fixed to the shaft lower end 18 at a first end 36. The male member 28 and the shaft lower end 18 are made adhere to each other by epoxy resin. The second end 40 of the male member 28 includes yoke parts 46, 48, the yoke parts 46, 48 are extended in the axial direction to be parallel to the longitudinal direction of the shaft, and the yoke parts 46, 48 are provided with a smooth arc-like surface 54 along the terminal end of the second end 40 of the female member.</p> |
