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:
May. 17, 2016
Filed:
Feb. 10, 2015
Applicant:
Dunlop Sports Co. Ltd., Kobe-shi, Hyogo, JP;
Inventor:
Hitoshi Oyama, Kobe, JP;
Assignee:
DUNLOP SPORTS CO., LTD., Kobe-Shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63B 53/10 (2015.01); A63B 53/02 (2015.01); A63B 53/00 (2015.01);
U.S. Cl.
CPC ...
A63B 53/02 (2013.01); A63B 53/10 (2013.01); A63B 2053/002 (2013.01);
Abstract
A golf clubis provided with a headhaving a hosel holeand a shaft. The golf clubhas a mounting/detaching mechanism detachably mounting the headand the shaftto each other. The mounting/detaching mechanism can fix the shaftto the hosel holeof the headat a plurality of circumferential mounting positions. The shafthas anisotropy producing coupled deformations of bending and torsion. Preferably, an angle θ1 between an axis line of the shaftand an axis line of the hosel holeis 0 degree. Preferably, a bending torsional amount of the shaftis equal to or greater than 0.5 degree.