Golf club

Abstract

A golf club 52 includes a shaft 56 , a head 54 including a hosel, a sleeve 58 fixed to a tip part of the shaft 56 , a grip 60 fixed to a back end part of the shaft 56 , and a connecting member 10 which can be connected to the sleeve 58 . The shaft 56 is detachably attached to the head 54 . The shaft 56 includes an exposed part Ex. The sleeve 58 can be fixed to the head 54 at a plurality of circumferential direction fixed positions. A three-dimensional angle of the shaft 56 to the head 54 is changed depending on the circumferential direction fixed positions of the sleeve 58 . The head 54 includes a head marking Hm. The exposed part Ex includes a shaft marking Sm for confirming the circumferential direction fixed positions.

What is claimed is: 
     
         1 . A golf club comprising:
 a shaft;   a head including a hosel;   a sleeve fixed to a tip part of the shaft;   a grip fixed to a back end part of the shaft; and   a connecting member which can be connected to the sleeve,   wherein the shaft is detachably attached to the head;   the sleeve can be fixed to the head at a plurality of circumferential direction fixed positions;   a three-dimensional angle of the shaft to the head is changed depending on the circumferential direction fixed positions of the sleeve;   the shaft includes an exposed part exposed to the outside; and   the exposed part includes a shaft marking for confirming the circumferential direction fixed positions.   
     
     
         2 . The golf club according to  claim 1 , wherein the head comprises a head marking;
 the head marking is disposed on the hosel; and   the shaft marking is disposed on a tip part of the exposed part.   
     
     
         3 . The golf club according to  claim 1 , wherein the grip comprises a grip marking for confirming the circumferential direction fixed positions. 
     
     
         4 . The golf club according to  claim 3 , wherein the grip marking is disposed on a tip part of the grip. 
     
     
         5 . The golf club according to  claim 1 , wherein the shaft marking is formed after the sleeve is fixed to the shaft. 
     
     
         6 . The golf club according to  claim 1 , wherein the shaft marking is formed after the sleeve fixed to the shaft is attached to the head. 
     
     
         7 . The golf club according to  claim 1 , wherein the shaft marking is formed by a laser. 
     
     
         8 . A golf club comprising:
 a shaft;   a head including a hosel;   a sleeve fixed to a tip part of the shaft;   a grip fixed to a back end part of the shaft; and   a connecting member which can be connected to the sleeve,   wherein the shaft is detachably attached to the head;   the sleeve can be fixed to the head at a plurality of circumferential direction fixed positions;   a three-dimensional angle of the shaft to the head is changed depending on the circumferential direction fixed positions of the sleeve;   the shaft includes an exposed part exposed to the outside;   the exposed part includes a shaft marking;   the head includes a head marking;   the head marking is disposed on the hosel; and   the shaft marking is disposed on a tip part of the exposed part.   
     
     
         9 . The golf club according to  claim 1 , wherein a color of the shaft marking changes depending on the angle of viewing; and
 if a color of the shaft marking viewed from an angle of a standard address viewpoint is defined as SR1;   a color of the shaft marking viewed from the front is defined as SR2;   a color of the shaft around the shaft marking is defined as SR3;   a color difference between the color SR1 and the color SR3 is defined as ΔEa; and   a color difference between the color SR2 and the color SR3 is defined as ΔEb,   ΔEa is less than ΔEb.   
     
     
         10 . The golf club according to  claim 2 , wherein a color of the head marking changes depending on the angle of viewing; and
 if a color of the head marking viewed from an angle of a standard address viewpoint is defined as HR1;   a color of the head marking viewed from the front is defined as HR2;   a color of the head around the head marking is defined as HR3;   a color difference between the color HR1 and the color HR3 is defined as ΔEe; and   a color difference between the color HR2 and the color HR3 is defined as ΔEf,   ΔEe is less than ΔEf.   
     
     
         11 . The golf club according to  claim 3 , wherein a color of the grip marking changes depending on the angle of viewing; and
 if a color of the grip marking viewed from an angle of a standard address viewpoint is defined as GR1;   a color of the grip marking viewed from the front is defined as GR2;   a color of the grip around the grip marking is defined as GR3;   a color difference between the color GR1 and the color GR3 is defined as ΔEc; and   a color difference between the color GR2 and the color GR3 is defined as ΔEd,   ΔEc is less than ΔEd.