US2005181887A1PendingUtilityA1

Golf club

Assignee: SUMITOMO RUBBER INDPriority: Feb 17, 2004Filed: Feb 2, 2005Published: Aug 18, 2005

Est. expiryFeb 17, 2024(expired)· nominal 20-yr term from priority

Inventors:Yoshinori Sano Tetsuo Yamaguchi

A63B 60/06A63B 60/10A63B 53/10A63B 60/08A63B 60/00A63B 2053/0491A63B 53/0466A63B 60/02A63B 53/0458A63B 53/0408A63B 53/0416

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References

Claims

Abstract

A golf club includes a shaft and a head. The golf club has a shaft mass Ms of 60 g or less and defines a head mass Mh(g) and the shaft mass Ms(g) to have a relation to satisfy the following expressions (A) and (B): Mh≧Ms +155 (A) Mh≦−0.14· Ms +240.9 (B)

Claims

exact text as granted — not AI-modified

1 . A golf club having a shaft mass Ms of 60g or less, and defining a head mass Mh(g) and the shaft mass Ms(g) to have a relation to satisfy the following expressions (A) and (B):  
           Mh≧Ms+ 155  (A)    Mh≦− 0.14 ·Ms+ 240.9  (B)  
     
     
         2 . A golf club according to  claim 1 , wherein the head mass Mh(g) and the shaft mass Ms(g) are defined to have a relation to satisfy the following expression (C):  
           Mh≧ 0.1 ·Ms+ 212  (C)  
     
     
         3 . A golf club according to  claim 1 , wherein the shaft mass Ms is 30g or more.  
     
     
         4 . A golf club according to  claim 2 , wherein the shaft mass Ms is 30g or more.

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