Systems to custom fit golf clubs and methods of providing the same

Abstract

Embodiments of golf club fitting systems and golf club shaft fitting systems are presented herein. Other examples and related methods are also disclosed herein.

What is claimed is: 
     
         1 . A golf club fitting system comprising:
 interchangeable correlated golf club shafts comprising:
 at least one mass increment between adjacent ones of the interchangeable correlated golf club shafts; 
 a net moment tolerance for the interchangeable correlated golf club shafts; 
 a substantially constant shaft length for the interchangeable correlated golf club shafts; and 
   at least one golf club head configured to be removeably coupled to the interchangeable correlated golf club shafts.   
     
     
         2 . The golf club fitting system of  claim 1 , wherein:
 the substantially constant shaft length for each of the interchangeable correlated golf club shafts is greater than approximately 44 inches.   
     
     
         3 . The golf club fitting system of  claim 1 , wherein:
 the net moment tolerance is approximately 50 inch*grams.   
     
     
         4 . The golf club fitting system of  claim 1 , wherein:
 the at least one mass increment is approximately 5 grams or greater.   
     
     
         5 . The golf club fitting system of  claim 1 , wherein:
 the interchangeable correlated golf club shafts comprise a first correlated golf club shaft, a second correlated golf club shaft, and a third correlated golf club shaft;   the first correlated golf club shaft has a first mass;   the second correlated golf club shaft has a second mass;   the third correlated golf club shaft has a third mass;   the first mass is a first mass increment less than the second mass;   the second mass is a second mass increment less than the third mass;   the at least one mass increment comprises the first mass increment and the second mass increment; and   the first mass increment is different from the second mass increment.   
     
     
         6 . The golf club fitting system of  claim 1 , wherein:
 the interchangeable correlated golf club shafts comprise a first correlated golf club shaft, a second correlated golf club shaft, and a third correlated golf club shaft;   the first correlated golf club shaft has a mass between approximately 50-60 grams;   the second correlated golf club shaft has a mass between approximately 61-70 grams; and   the third correlated golf club shaft has a mass between approximately 72-85 grams.   
     
     
         7 . The golf club fitting system of  claim 1 , wherein:
 the interchangeable correlated golf club shafts comprise a first correlated golf club shaft, a second correlated golf club shaft, and a third correlated golf club shaft;   the first correlated golf club shaft comprises a first grip end and a first balance point, wherein the first balance point is a first distance from the first grip end;   the second correlated golf club shaft comprises a second grip end and a second balance point, wherein the second balance point is a second distance from the second grip end;   the third correlated golf club shaft comprises a third grip end and a third balance point, wherein the third balance point is a third distance from the third grip end;   the first distance is greater than the second distance; and   the second distance is greater than the third distance.   
     
     
         8 . The golf club fitting system of  claim 1 , further comprising:
 a first part of a two part coupling system in communication with each of the interchangeable correlated golf club shafts, and   a second part of the two part coupling system in communication with each of the at least one golf club head.   
     
     
         9 . The golf club fitting system of  claim 1  wherein:
 the interchangeable correlated golf club shafts are associated with at least one frequency rating. 
 
     
     
         10 . The golf club fitting system of  claim 1 , wherein:
 the interchangeable correlated golf club shafts are each associated with a frequency rating of approximately 230-270 cycles per minute.   
     
     
         11 . A golf club shaft fitting system comprising:
 interchangeable correlated golf club shafts, each with a substantially constant length, the interchangeable correlated golf club shafts comprising:
 a first correlated golf club shaft with a first mass; 
 a second correlated golf club shaft with a second mass, wherein the second mass is a first mass increment greater than the first mass; 
 a third correlated golf club shaft with a third mass, wherein the third mass is a second mass increment greater than the second mass; and 
 a net moment tolerance associated with each of the first, second, and third correlated golf club shafts. 
   
     
     
         12 . The golf club shaft fitting system of  claim 11 , wherein:
 the net moment tolerance is approximately 50 inch*grams.   
     
     
         13 . The golf club shaft fitting system of  claim 11 , wherein:
 the first and second mass increments are equal to each other and are at least approximately 5 grams.   
     
     
         14 . The golf club shaft fitting system of  claim 11 , wherein:
 the first correlated golf club shaft is associated with a first frequency rating;   the second correlated golf club shaft is associated with a second frequency rating;   the third correlated golf club shaft is associated with a third frequency rating; and   the first frequency rating is different than the second and third frequency ratings.   
     
     
         15 . The golf club shaft fitting system of  claim 11  wherein:
 the first correlated golf club shaft is associated with a first frequency rating; 
 the second correlated golf club shaft comprises a second frequency rating; 
 the third correlated golf club shaft comprises a third frequency rating; 
 the first frequency rating is at least approximately 15 cycles per minute different than the second frequency rating; and 
 the second frequency rating is at least 15 cycles per minute different than the third frequency rating. 
 
     
     
         16 . The golf club shaft fitting system of  claim 11 , wherein:
 the first correlated golf club shaft comprises a first grip end and a first balance point, wherein the first balance point is a first distance from the first grip end;   the second correlated golf club shaft comprises a second grip end and a second balance point, wherein the second balance point is a second distance from the second grip end;   the third correlated golf club shaft comprises a third grip end and a third balance point, wherein the third balance point is a third distance from the third grip end;   the first distance is greater than the second distance; and   the second distance is greater than the third distance.   
     
     
         17 . A method of providing a golf club fitting system comprising:
 providing interchangeable correlated golf club shafts comprising:
 predetermining at least one mass increment between adjacent ones of the interchangeable correlated golf club shafts; 
 predetermining a net moment tolerance for the interchangeable correlated golf club shafts; and 
 predetermining a substantially constant shaft length for the interchangeable correlated golf club shafts; and 
   providing at least one golf club head configured to be coupled to the interchangeable correlated golf club shafts.   
     
     
         18 . The method of  claim 17  wherein:
 providing the interchangeable correlated golf club shafts comprises:
 predetermining at least one frequency rating for the interchangeable correlated golf club shafts. 
 
 
     
     
         19 . The method of  claim 17 , wherein:
 predetermining the net moment tolerance for the interchangeable correlated golf club shafts comprises:
 predetermining the net moment tolerance to be approximately 50 inch*grams. 
   
     
     
         20 . The method of  claim 17 , wherein:
 predetermining the at least one mass increment for the interchangeable correlated golf club shafts comprises:
 predetermining the mass increment to be at least approximately 5 grams. 
   
     
     
         21 . The method of  claim 17 , further comprising:
 using the golf club fitting system to fit a person for at least one golf club; and   selling the at least one golf club to the person.