Connection system for golf cub shaft to striking head comprises supple collar with microvalve and ball fitting into lower part of machined neck to form closed space filled with fluid

摘要

Connection system of shaft (9) to golf club striking head (11) is composed of supple collar (6) having microvalve (8) and ball (5) provided with lugs (1, 2, 3, 4). Collar is connected in lower part of shaft (10) and in lower part of machined neck (13) into which it fits with very little play to form closed space. Space is filled with fluid whose pressure is adjusted by microvalve.