SWEET SPOT DISPLAY MECHANISM OF TRAINING GOLD CLUB

摘要

PURPOSE:To suppress consumption of a battery by flickering a light source in a position corresponding to a sweet spot, in the training golf club in which the light source for looking at an angle of the face at the time of swing and a locus of the sweet spot is installed. CONSTITUTION:On the upper face 2a of a club head 2, a flickering light source 3 extended linearly in the direction being parallel to the face surface 2b or plural flickering light sources 21 arranged linearly at an interval are provided, and in a position being on the upper face 2a of the club head 2 and corresponding to a sweet spot in the center of the face surface 2b, a light source 4 is provided. In such a state, the light source 4 is flickered, and its flickering period is made shorter than a flickering period of the light source 3 or the light source 21. Or the flickering period for flickering the light source 4 is synchronized with that of the light source 3 or the light source 21, and also, a lighting time of the light source 4 is made longer than a lighting time of the light source 3 of the light source 21. When a training person swings this gold club, the training person can look at a locus of the flickering sweet spot.