Golf club head

Abstract

A head includes a face member constituting at least a part of a striking face, a head body having a face opening, and a weight member fixed to the head body. The face opening is covered by the face member. The weight member includes an exposed surface constituting a part of a sole surface and/or a part of a back surface. The head body includes a weight member receiving portion into which the weight member is inserted from a first side and that holds the weight member. The weight member receiving portion penetrates through the head body from the first side to a second side. The exposed surface is formed on the second side of the weight member. A welded portion is formed on a boundary between the weight member and the head body on the first side of the weight member.

What is claimed is: 
     
         1 . A golf club head comprising:
 a striking face including a face center;   a sole surface; and   a back surface, wherein   the golf club head includes a face member constituting at least a part of the striking face, a head body having a face opening, and a weight member fixed to the head body,   the face opening is covered by the face member,   the weight member includes an exposed surface constituting a part of the sole surface and/or a part of the back surface,   the head body includes a weight member receiving portion into which the weight member is inserted from a first side and that holds the weight member,   the weight member receiving portion penetrates through the head body from the first side to a second side that is a different side from the first side,   the exposed surface is formed on the second side of the weight member, and   a welded portion is formed on a boundary between the weight member and the head body on the first side of the weight member.   
     
     
         2 . The golf club head according to  claim 1 , wherein
 the exposed surface constitutes a part of the sole surface.   
     
     
         3 . The golf club head according to  claim 1 , wherein
 the weight member receiving portion has a shape that prevents the weight member from passing through the weight member receiving portion from the first side to the second side, and   the weight member is retained by the weight member receiving portion so as not to move toward the second side further than a predetermined relative position.   
     
     
         4 . The golf club head according to  claim 3 , wherein
 the weight member receiving portion includes a body tapered portion that becomes narrower toward the second side, and   the weight member includes a taper abutment surface that abuts against the body tapered portion.   
     
     
         5 . The golf club head according to  claim 4 , wherein
 an upper surface of the weight member includes a downward-facing surface that extends toward a sole side as it goes toward a back side, and   the downward-facing surface constitutes a part of the taper abutment surface.   
     
     
         6 . The golf club head according to  claim 1 , wherein
 the exposed surface constitutes a part of the sole surface and a part of the back surface.   
     
     
         7 . The golf club head according to  claim 1 , wherein
 a center of gravity of the weight member is positioned on a toe side with respect to the face center.   
     
     
         8 . The golf club head according to  claim 1 , wherein
 the first side is a face side, and   the second side is a back side.   
     
     
         9 . The golf club head according to  claim 1 , wherein
 the weight member receiving portion is a through hole.   
     
     
         10 . The golf club head according to  claim 1 , wherein
 the welded portion is located at a position that is unviewable from outside of the golf club head.   
     
     
         11 . A golf club head comprising:
 a striking face including a face center;   a sole surface; and   a back surface, wherein   the golf club head includes a face member constituting at least a part of the striking face, a head body having a face opening, and a weight member fixed to the head body,   the face opening is covered by the face member,   the weight member includes an exposed surface constituting a part of the sole surface and/or a part of the back surface,   the head body includes a weight member receiving portion into which the weight member is inserted from a first side and that holds the weight member,   the weight member receiving portion penetrates through the head body from the first side to a second side that is a different side from the first side,   the exposed surface is formed on the second side of the weight member,   the weight member receiving portion has a shape that prevents the weight member from passing through the weight member receiving portion from the first side to the second side, and   the weight member is retained by the weight member receiving portion at a predetermined relative position.   
     
     
         12 . The golf club head according to  claim 11 , wherein
 the exposed surface constitutes a part of the sole surface.   
     
     
         13 . The golf club head according to  claim 11 , wherein
 the weight member receiving portion includes a body tapered portion that becomes narrower toward the second side, and   the weight member includes a taper abutment surface that abuts against the body tapered portion.   
     
     
         14 . The golf club head according to  claim 13 , wherein
 an upper surface of the weight member includes a downward-facing surface that extends toward a sole side as it goes toward a back side, and   the downward-facing surface constitutes a part of the taper abutment surface.   
     
     
         15 . The golf club head according to  claim 11 , wherein
 the exposed surface constitutes a part of the sole surface and a part of the back surface.   
     
     
         16 . The golf club head according to  claim 11 , wherein
 a center of gravity of the weight member is positioned on a toe side with respect to the face center.   
     
     
         17 . The golf club head according to  claim 11 , wherein
 the first side is a face side, and   the second side is a back side.   
     
     
         18 . The golf club head according to  claim 1 , wherein
 the weight member receiving portion is a through hole.