Golf club heads with hosel inserts and related methods

Abstract

A golf club head comprising a shaft sleeve with a shaft sleeve coupler set, a sleeve outer wall, and a cap. The shaft sleeve coupler set comprises four couplers protruding from the sleeve outer wall. Each of the four couplers comprises an arcuate surface. The golf club head comprises a hosel bore. The shaft sleeve is configured to be received by the hosel bore. The shaft sleeve and the hosel bore are non-coaxial.

1 . A golf club head comprising:
 a club head body comprising:   a sole portion comprising a sole bottom end, a top portion opposite the sole portion, a heel portion, a toe portion opposite the heel portion, a rear portion, a front portion opposite the rear portion, the front portion comprising a strike face; and   a hosel;   a shaft sleeve insertable into the hosel and configured to couple a golf club shaft with the hosel; and   a securing fastener configured to couple to a sleeve bottom end of the shaft sleeve to secure the shaft sleeve in the hosel;   wherein:
 the hosel comprises a hosel bore configured to receive the shaft sleeve; 
 the shaft sleeve comprises:
 a shaft bore configured to receive and end of the golf club shaft; 
 a shaft sleeve body comprising a sleeve outer wall, and a receiving groove; 
 a shaft sleeve cap configured to be coupled with the shaft sleeve body, wherein the shaft sleeve cap comprises a cap bore, a cap wall, and a lip extending outwardly from the cap wall, an interior surface of the cap bore comprises one or more ribs extending into the cap bore; and the lip of the shaft sleeve cap engages the receiving groove of the shaft sleeve body; 
 a sleeve top end; 
 a sleeve bottom end; 
 a sleeve axis extending longitudinally between the sleeve top end and sleeve bottom end; 
 
 the shaft sleeve body further comprising:
 a first coupler protruding from the sleeve outer wall; 
 a second coupler protruding from the sleeve outer wall; 
 a third coupler protruding from the sleeve outer wall; and 
 a fourth coupler protruding from the sleeve outer wall; 
 the first coupler comprising a first arcuate surface curved throughout the first coupler; 
 the second coupler comprising a second arcuate surface curved throughout the second coupler; 
 the third coupler comprising a third arcuate surface curved throughout the third coupler; 
 the fourth coupler comprising a fourth arcuate surface curved throughout the fourth coupler; 
 
 the shaft bore further comprising a shaft bore axis; and 
 wherein the sleeve outer wall and shaft bore are non-coaxial. 
   
     
     
         2 . The golf club head of  claim 1 , wherein the shaft bore axis and the sleeve axis define a loft angle and a lie angle therebetween. 
     
     
         3 . The golf club head of  claim 2 , wherein:
 a first coupler position defines a first loft angle and a first lie angle between the shaft bore axis and the sleeve axis;   a second coupler position defines a second loft angle and a second lie angle between the shaft bore axis and the sleeve axis;   a third coupler position defines a third loft angle and a third lie angle between the shaft bore axis and the sleeve axis; and   a fourth coupler position defines a fourth loft angle and a fourth lie angle between the shaft bore axis and the sleeve axis.   
     
     
         4 . The golf club head of  claim 3 , wherein the first coupler position is configured to reduce the first lie angle between 0.2 degrees and 4 degrees. 
     
     
         5 . The golf club head of  claim 3 , wherein the second coupler position is configured to increase the second lie angle between 0.2 degrees and 4 degrees. 
     
     
         6 . The golf club head of  claim 3 , wherein the third coupler position is configured to reduce the third loft angle between 0.2 degrees and 4 degrees. 
     
     
         7 . The golf club head of  claim 3 , wherein the fourth coupler position is configured to increase the fourth loft angle between 0.2 degrees and four degrees. 
     
     
         8 . The golf club head of  claim 4 , wherein the first loft angle remains in a neutral orientation. 
     
     
         9 . The golf club head of  claim 5 , wherein the second loft angle remains in a neutral orientation. 
     
     
         10 . The golf club head of  claim 6 , wherein the third lie angle remains in a neutral orientation. 
     
     
         11 . The golf club head of  claim 7 , wherein the fourth lie angle remains in a neutral orientation. 
     
     
         12 . The golf club head of  claim 1 , wherein:
 the shaft sleeve further comprises a fifth coupler protruding from the sleeve outer wall and comprising a fifth arcuate surface curved throughout the fifth coupler; and   a sixth coupler protruding from the sleeve outer wall and comprising a sixth arcuate surface curved throughout the sixth coupler.   
     
     
         13 . The golf club head of  claim 1 , wherein the shaft sleeve cap comprises at least two ribs, and the at least two ribs are configured to securely couple and center the shaft sleeve cap. 
     
     
         14 . The golf club head of  claim 1 , wherein the one or more ribs are parallel to each other along the interior surface of the cap bore. 
     
     
         15 . A golf club head comprising:
 a club head body comprising:   a sole portion comprising a sole bottom end, a top portion opposite the sole portion, a heel portion, a toe portion opposite the heel portion, a rear portion, a front portion opposite the rear portion, the front portion comprising a strike face;   a hosel; and   a golf coupling mechanism comprising:
 a shaft sleeve configured to be coupled to an end of a golf club shaft and a hosel; 
 a shaft receiver of the golf club head configured to receive the shaft sleeve; 
 wherein:
 the shaft sleeve comprises:
 a shaft bore configured to receive the end of the golf club shaft; 
 a shaft sleeve body comprising a sleeve outer wall, and a receiving groove; 
 a shaft sleeve cap configured to be coupled with the shaft sleeve, wherein the shaft sleeve cap comprises a cap bore, a cap wall, and a lip extending outwardly from the cap wall; an interior surface of the cap bore comprises one or more ribs extending into the cap bore; and the lip of the shaft sleeve cap engages the receiving groove of the shaft sleeve body; 
 a sleeve top end; 
 a sleeve bottom end; 
 a sleeve axis extending longitudinally between the sleeve top end and sleeve bottom end; 
 a coupler set comprising: 
  a first coupler protruding from the sleeve outer wall; 
  a second coupler protruding from the sleeve outer wall; 
  a third coupler protruding from the sleeve outer wall; and 
  a fourth coupler protruding from the sleeve outer wall; 
 wherein: 
 the shaft bore comprises a shaft bore axis; 
 the first coupler comprises a first arcuate surface curved throughout the first coupler; 
 the second coupler comprises a second arcuate surface curved throughout the second coupler; 
 
 the third coupler comprises a third arcuate surface curved throughout the third coupler; 
 the fourth coupler comprises a fourth arcuate surface curved throughout the fourth coupler; and 
 the shaft receiver comprises:
 a fifth coupler indented into a receiver inner wall; 
 a sixth coupler indented into the receiver inner wall; 
 a seventh coupler indented into the receiver inner wall; and 
 an eighth coupler indented into the receiver inner wall; 
 the fifth coupler comprises a fifth arcuate surface curved throughout the fifth coupler; 
 the sixth coupler comprises a sixth arcuate surface curved throughout the sixth coupler; 
 the seventh coupler comprises a seventh arcuate surface curved throughout the seventh coupler; 
 the eighth coupler comprises an eighth arcuate surface curved throughout the eighth coupler; and 
 
 
 wherein the sleeve outer wall and shaft bore are non-coaxial. 
   
     
     
         16 . The golf club head of  claim 15 , wherein the shaft sleeve cap comprises at least two ribs, and the at least two ribs are configured to securely couple and center the shaft sleeve cap. 
     
     
         17 . The golf club head of  claim 15 , wherein the one or more ribs are parallel to each other along the interior surface of the cap bore.