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. 15, 1997
Filed:
Mar. 15, 1996
Applicant:
Inventor:
Itsushi Nagamoto, Hamamatsu, JP;
Assignee:
Yamaha Corporation, Shizuoka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63B / ;
U.S. Cl.
CPC ...
473305 ; 473318 ;
Abstract
A golf club with one or more annular grooves formed on the outer circumferential surface of the hosel portion of the head, the hosel portion being provided with an outwardly widened tapered surface on the inner circumferential surface of the opening end of a shaft insertion hole of the hosel portion, thus preventing brakeage of the shaft by way of the groove(s) and the tapered surface. The grooves can be filled with non-rigid cosmetic members for a better appearance.