The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 14, 2015
Filed:
May. 17, 2012
Applicants:
Hiroshi Hasegawa, Kobe, JP;
Takashi Nakano, Kobe, JP;
Yasushi Sugimoto, Kobe, JP;
Inventors:
Assignee:
DUNLOP SPORTS CO. LTD., Kobe-Shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63B 53/10 (2015.01); A63B 59/00 (2015.01);
U.S. Cl.
CPC ...
A63B 53/10 (2013.01); A63B 59/0074 (2013.01); A63B 2209/023 (2013.01);
Abstract
A golf clubincludes a shaftand a head. When a shaft full length is defined as Ls, and a distance between a tip end Tp of the shaft and a center of gravity G of the shaft is defined as Lg, a ratio (Lg/Ls) is 0.52 or greater and 0.65 or less. When a club length is defined as X inch and a club weight is defined as Y gram, the golf clubsatisfies the following relational expression (1).≦−7.62+635   (1) Preferably, the distance Lg is 615 mm or greater and 660 mm or less. Preferably, a shaft weight Ws is equal to or less than 52 g. Preferably, the club length X is equal to or less than 46 inch.