Hitting aid for golf ball, has supporting cup arranged at upper end of shank for golf ball, and shank core surrounded by coat, where shank has longitudinal section that is tapered at shaft core

摘要

The aid has a supporting cup (22) arranged at an upper end of a shank for a golf ball and a cone point arranged at a lower end of the shank. The shank has a longitudinal section (24) that is tapered at a shaft core (26) and attached at the cup, where diameter of the section is smaller than the nominal diameter of the shank. The core is surrounded by a coat (27), where outer diameter of the core is equal to the nominal diameter.