Patent ID: 9345935
Filing Date: 2016-05-24
CPC Classification: A63B

Claim Text:
1. A golf club comprising: a head; a shaft; a sleeve; and a screw, wherein the sleeve is secured to a tip part of the shaft by way of insertion of the tip part of the shaft into a sleeve shaft hole; the sleeve includes a plurality of engaging projections and non-engaging surfaces, each of the non-engaging surfaces positioned between the engaging projections; the head forms a hosel; the hosel includes a hosel end face, a plurality of engaging recesses extending downward from the hosel end face, the engaging recess having a cut out shape corresponding to the respective engaging projections of the sleeve, and a hosel hole; rotation of the sleeve to the head is regulated by engagement between the engaging projections and the engaging recesses; disengagement of the sleeve from the head is regulated by connection between the sleeve and the screw, the screw being separate and engaging a screw hole in the sleeve which opens downward with respect to the head; a connected state where the screw is connected to the sleeve and a disconnected state where the screw is removed from the sleeve can be mutually shifted; and a plurality of spaces are formed between an inner surface of the hosel hole and the plurality of non-engaging surfaces along a circumferential direction in the connected state, wherein the plurality of engaging projections extend past the hosel end face into each of the respective hosel engaging recesses, wherein the engaging projections includes an engaging surface (A); the engaging recesses includes an engaging surface (B); the engaging surface (A) abuts on the engaging surface (B) in the connected state, and the engagement between the engaging projection and the engaging recess is attained by the abutment; and an angle θ between the engaging surface (A) and a non-engaging surface is an obtuse angle in a plan view from a grip side.