Golf club head and golf club

Abstract

The present invention provides a golf club head and a golf club by which at least a lie angle, an offset of a striking surface, and the moment of inertia can be adjusted. This golf club head has: a head main body provided with a face surface part constituting a face surface; a hosel part which is provided in the head main body, and to which a golf club shaft is attached; adjustment weights provided on the head main body; a lie angle adjustment part for changing the lie angle; and an offset adjustment part for changing the distance between the face surface and the hosel part. The head main body is provided with a projecting part on the upper surface that projects outward in a half cylinder shape, and flat parts that are provided on both sides of the projecting part, and the hosel part is provided on the projecting part and the adjustment weights are respectively provided on the flat parts. The golf club has the golf club head.

1 . A golf club head, comprising:
 a head main body including a face surface part constituting a face surface;   a hosel part provided in the head main body and on which the golf club shaft is mounted;   adjustment weights provided in the head main body;   a lie angle adjustment part configured to change a lie angle; and   an offset adjustment part configured to change a distance between the face surface and the hosel part, wherein   the head main body includes a projecting part projecting semi-cylindrically from an upper surface, and flat parts respectively provided on both sides of the projecting part,   the projecting part is provided with the hosel part and the adjustment weights are respectively provided on the flat parts,   a rear surface of the face surface of the projecting part is provided with a wall part along a periphery of the projecting part,   the hosel part includes a rotor provided on a rear surface side of the face surface of the projecting part and rotatable by a predetermined angle, and a hosel provided in the rotor and configured to fix the golf club shaft,   the rotor has a similar outer shape to that of a region surrounded by the wall part,   a spacer can be disposed between the rotor and the projecting part, and the distance between the face surface and the hosel part is adjusted by a thickness of the spacer,   a lid surrounding the region with the wall part is provided, the rotor is accommodated in the region with a plurality of spacers and the lid covers the region, and   the rotor is pushed up by a fixing screw screwed with a sole and is fixed at the predetermined angle to form the lie angle having a specific size.   
     
     
         2 . The golf club head according to  claim 1 , further comprising an angle adjustment part configured to change a loft angle of the face surface. 
     
     
         3 . The golf club head according to  claim 2 , wherein
 the face surface part is provided detachably with respect to the head main body, and   a plurality of the face surface parts are provided for respective sizes of the loft angle, and the face surface part corresponding to the loft angle is provided.   
     
     
         4 . The golf club head according to  claim 2 , wherein
 the face surface part is provided such that a sole side can be slid with respect to the head main body with a top part of the projecting part as a fulcrum, and the loft angle is adjusted by changing a slide amount of the face surface part.   
     
     
         5 . The golf club head according to  claim 1 , wherein
 a plate-shaped part constituting part of a sole is provided on a back face on an opposite side of the face surface of the head main body, and in the plate-shaped part, of a region corresponding to the projecting part and regions corresponding to the flat parts, the region corresponding to the projecting part has a thinner plate thickness.   
     
     
         6 . The golf club head according to  claim 1 , wherein
 the adjustment weights are fixed to the flat parts by screws or magnets.   
     
     
         7 . (canceled) 
     
     
         8 . (canceled) 
     
     
         9 . (canceled) 
     
     
         10 . The golf club head according to  claim 1 , wherein
 the lid is provided with a line indicating the lie angle having a specific size.   
     
     
         11 . A golf club comprising the golf club head according to  claim 1 . 
     
     
         12 . The golf club head according to  claim 2 , wherein
 a plate-shaped part constituting part of a sole is provided on a back face on an opposite side of the face surface of the head main body, and in the plate-shaped part, of a region corresponding to the projecting part and regions corresponding to the flat parts, the region corresponding to the projecting part has a thinner plate thickness.   
     
     
         13 . The golf club head according to  claim 3 , wherein
 a plate-shaped part constituting part of a sole is provided on a back face on an opposite side of the face surface of the head main body, and in the plate-shaped part, of a region corresponding to the projecting part and regions corresponding to the flat parts, the region corresponding to the projecting part has a thinner plate thickness.   
     
     
         14 . The golf club head according to  claim 4 , wherein
 a plate-shaped part constituting part of a sole is provided on a back face on an opposite side of the face surface of the head main body, and in the plate-shaped part, of a region corresponding to the projecting part and regions corresponding to the flat parts, the region corresponding to the projecting part has a thinner plate thickness.   
     
     
         15 . The golf club head according to  claim 2 , wherein
 the adjustment weights are fixed to the flat parts by screws or magnets.   
     
     
         16 . The golf club head according to  claim 3 , wherein
 the adjustment weights are fixed to the flat parts by screws or magnets.   
     
     
         17 . The golf club head according to  claim 4 , wherein
 the adjustment weights are fixed to the flat parts by screws or magnets.   
     
     
         18 . The golf club head according to  claim 5 , wherein
 the adjustment weights are fixed to the flat parts by screws or magnets.   
     
     
         19 . The golf club head according to  claim 2 , wherein
 the lid is provided with a line indicating the lie angle having a specific size.   
     
     
         20 . The golf club head according to  claim 3 , wherein
 the lid is provided with a line indicating the lie angle having a specific size.   
     
     
         21 . A golf club comprising the golf club head according to  claim 2 .