Golf Clubs and Methods of Manufacture

Abstract

Embodiments of golf clubs and methods of manufacture are generally described herein. In one embodiment, a golf club head comprises a body having a toe region, a heel region, a sole region, and a top region. The golf club head further comprises a front face, a first back, and a second back that extends farther from the front face than the first back. The second back extends from the heel region to the toe region, and extends from the sole region to about a midpoint between the sole region and the top region. The golf cub head also comprises a first cavity between the first back and the second back, and a second cavity integral with the second back at the toe region. This embodiment may further comprise first and second weights that are inserted into the first and second cavities respectively. Other embodiments may be described and claimed.

1 . A golf club head comprising:
 a toe region;   a heel region opposite the toe region;   a sole region;   a top region opposite the sole region;   a front face;   a first hack opposite the front face;   a second back opposite the front face and farther from the front face than the first back, wherein the second back extends from the heel region to the toe region, and extends from the sole region to about a midpoint between the sole region and the top region;   a first cavity between the first back and the second back; and   a second cavity integral with the second back at the toe region.   
     
     
         2 . The golf club head of  claim 1 , wherein the first back is substantially parallel with the front face. 
     
     
         3 . The golf club bead of  claim 1 , wherein the first cavity comprises a rectangular shape. 
     
     
         4 . The golf club head of  claim 1  further comprising a first weight to occupy the first cavity. 
     
     
         5 . The golf club head of  claim 4 , wherein the first weight comprises a polymer material. 
     
     
         6 . The golf club head of  claim 4 , wherein the first weight is replaceable. 
     
     
         7 . The golf club head of  claim 1  further comprising a second weight to occupy the second cavity. 
     
     
         8 . The golf club head of  claim 7 , wherein the second weight is replaceable. 
     
     
         9 . The golf club head of  claim 7 , wherein the second weight is permanent. 
     
     
         10 . The golf club head of  claim 7 , wherein the second weight comprises a metal material. 
     
     
         11 . The golf club head of claim.  1 , wherein the first cavity and the second cavity comprise different dimensions. 
     
     
         12 . A golf club head comprising:
 a body comprising:
 a front face; 
 a heel region; 
 a toe region opposite the heel region; 
 a sole extending from the heel region to the toe region, and extending from the front face to a back sole edge; 
 a top opposite the sole; 
 a first back opposite the front face and substantially parallel to the front face, wherein the first back extends from the heel region to the toe region, and the first back extends from the top to a midpoint between the sole and the top; 
 a second back opposite the front face extending from the back sole edge to about the midpoint; 
 a rectangular first cavity between the second back and the front face; and 
 a second cavity integral with the second back at the toe region. 
   
     
     
         13 . The golf club head of  claim 12 , further comprising a first weight to occupy the first cavity. 
     
     
         14 . The golf club head of  claim 13 , wherein the first weight comprises a polymer material. 
     
     
         15 . The golf club head of  claim 13 , wherein the first weight is replaceable. 
     
     
         16 . The golf club head of  claim 12 , further comprising a second weight to occupy the second cavity. 
     
     
         17 . The golf club head of  claim 16 , wherein the second weight comprises a metal material. 
     
     
         18 . The golf club bead of  claim 16 , wherein the second weight is replaceable. 
     
     
         19 . The golf club head of  claim 12 , wherein the first cavity and the second cavity comprise different dimensions. 
     
     
         20 . A method for manufacturing a golf club head comprising:
 providing a body having:
 a toe region; 
 a heel region opposite the toe region; 
 a sole region; 
 a top region opposite the sole region; 
 a front face; 
 a first back opposite the front face; 
 a second back opposite the front face and farther from the front face than the first back, wherein the second back extends from the heel region to the toe region, and extends from the sole region to about a midpoint between the sole region and the top region; 
 a first cavity between the first back and the second back; and 
 a second cavity integral with the second back at the toe region. 
   
     
     
         21 . The method of  claim 20 , further comprising determining a first weight to insert into the first cavity. 
     
     
         22 . The method of  claim 21 , further comprising securing the first weight in the first cavity. 
     
     
         23 . The method of  claim 20 , further comprising determining a second weight to insert into the second cavity. 
     
     
         24 . The method of  claim 23 , further securing a second weight in the second cavity. 
     
     
         25 . The method of  claim 24 , wherein securing the second weight in the second cavity comprises welding or swaging the second weight in the second cavity. 
     
     
         26 . The method of  claim 20 , further comprising securing a second weight in the second cavity before determining a first weight to insert in the first cavity. 
     
     
         27 . A golf club comprising:
 a golf club head having:
 a toe region; 
 a heel region opposite the toe region; 
 a sole region; 
 a top region opposite the sole region; 
 a front face; 
 a first back opposite the front face; 
 a second back opposite the front face and farther from the front face than the first back, wherein the second back extends from the heel region to the toe region, and extends from the sole region to about a midpoint between the sole region and the top region; 
 a first cavity between the first back and the second back; and 
 a second cavity integral with the second back at the toe region; 
   a hosel ratio 0.75; and   a shaft coupled to the golf club head;   wherein,   the hosel ratio comprises a hosel distance to a front face distance;
 the hosel distance extends from a first end at the heel region to a second end opposite the first end; and 
 the front face distance comprises a greatest distance measured along the front face from the heel region to the toe region and substantially parallel to the sole region. 
   
     
     
         28 . The golf club of  claim 27 , further comprising a first weight to occupy the first cavity. 
     
     
         29 . The golf club of  claim 27  further comprising a second weight to occupy the second cavity.