Iron type golf club head

Abstract

An iron type golf club head including a face portion having a planar face surface, and a hosel portion connected to the heel side of the face portion. A shaft insertion hole is provided in the hosel portion so as to penetrate the hosel portion. The distance from the center of gravity is 28-33 mm, the height of the center of gravity is 12-21 mm, the depth of the center of gravity is 5-15 mm, and the goose distance is 4-15 mm.

What is claimed is:  
     
         1 . An iron type golf club head comprising: 
 a face portion having a face surface;    a hosel portion connected to a heel side of the face portion; and    a sole portion;    wherein a loft angle is 15-25°;    wherein a distance from a center of gravity is 28-33 mm; and    height of the center of gravity is 12-21 mm.    
     
     
         2 . The golf club head according to  claim 1 , wherein depth of the center of gravity from the face surface is 5-15 mm.  
     
     
         3 . The golf club head according to  claim 1 , wherein a goose distance is 4-15 mm.  
     
     
         4 . The golf club head according to  claim 1 , 
 wherein the face portion has a circumferential edge portion and an inside portion;    wherein the circumferential edge portion and the inside portion are made of different materials; and    wherein specific gravity of the material of the inside portion is smaller than specific gravity of the material of the circumferential edge portion.    
     
     
         5 . The golf club head according to  claim 1 , 
 wherein a high specific gravity member is provided in the sole portion; and    wherein the high specific gravity member is disposed near or behind a longitudinal midpoint of the sole portion.    
     
     
         6 . The golf club head according to  claim 1 , wherein, the distance from the center of gravity is 29-32 mm.  
     
     
         7 . The golf club head according to  claim 1 , wherein the height of the center of gravity is 13-19 mm.  
     
     
         8 . The golf club head according to  claim 1 , wherein the depth of the center of gravity is 6-12 mm.  
     
     
         9 . The golf club head according to  claim 1 , wherein the goose distance is 6-12 mm.  
     
     
         10 . The golf club head according to  claim 4 , 
 wherein the specific gravity of the circumferential edge portion is 7-8; and    the specific gravity of the inside portion is 1.3-5.    
     
     
         11 . An iron type golf club comprising: 
 a head; and    a shaft;    wherein the head includes: 
 a face portion having a face surface;  
 a hosel portion connected to a heel side of the face portion and defining a through-hole; and  
 a sole portion;  
 wherein the shaft is inserted into the through-hole;  
   wherein a loft angle of the head is 15-25°;    wherein a distance from a center of gravity of the head is 28-33 mm; and    wherein height of the center of gravity is 12-21 mm.    
     
     
         12 . The golf club according to  claim 11 , wherein depth of the center of gravity from the face surface is 5-15 mm.  
     
     
         13 . The golf club according to  claim 11 , wherein a goose distance of the head is 4-15 mm.  
     
     
         14 . The golf club according to  claim 11 , 
 wherein the face portion has a circumferential edge portion and an inside portion;    wherein the circumferential edge portion and the inside portion are made of different materials; and    wherein specific gravity of the material of the inside portion is smaller than specific gravity of the material of the circumferential edge portion.    
     
     
         15 . The golf club according to  claim 11 , 
 wherein a high specific gravity member is provided in the sole portion; and    wherein the high specific gravity member is disposed near or behind a longitudinal midpoint of the sole portion.    
     
     
         16 . The golf club according to  claim 11 , wherein the distance from the center of gravity of the head is 29-32 mm.  
     
     
         17 . The golf club according to  claim 11 , wherein the height of the center of gravity of the head is 13-19 mm.  
     
     
         18 . The golf club according to  claim 11 , wherein the depth of the center of gravity of the head is 6-12 mm.  
     
     
         19 . The golf club according to  claim 11 , wherein the goose distance of the head is 6-12 mm.  
     
     
         20 . The golf club according to  claim 14 , 
 wherein the specific gravity of the circumferential edge portion is 7-8; and    wherein the specific gravity of the inside portion is 1.3-5.