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. 26, 2016
Filed:
Oct. 01, 2014
Applicant:
Dunlop Sports Co. Ltd., Kobe-shi, Hyogo, JP;
Inventors:
Hirotaka Nakamura, Kobe, JP;
Hiroshi Hasegawa, Kobe, JP;
Assignee:
DUNLOP SPORTS CO. LTD., Kobe-Shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63B 53/10 (2015.01);
U.S. Cl.
CPC ...
A63B 53/10 (2013.01); A63B 2209/023 (2013.01);
Abstract
A shaftincludes a plurality of fiber reinforced resin layers sto s. The plurality of layers include a first straight layer sin which a 0°-compression strength is the minimum and a second straight layer sin which a 0°-compression strength is the maximum. A specific tip part Tx which is a region between a tip end Tp and a position separated by 100 mm from the tip end Tp satisfies the following (a) to (c):