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.

Date of Patent:
Dec. 27, 2016

Filed:

Sep. 18, 2015
Applicant:

Callaway Golf Company, Carlsbad, CA (US);

Inventors:

Matthew T. Cackett, San Diego, CA (US);

Sean P. Griffin, Encinitas, CA (US);

Assignee:

Callaway Golf Company, Carlsbad, CA (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A63B 53/02 (2015.01); A63B 53/04 (2015.01);
U.S. Cl.
CPC ...
A63B 53/02 (2013.01); A63B 53/0466 (2013.01); A63B 53/047 (2013.01); A63B 2053/0408 (2013.01); A63B 2209/00 (2013.01);
Abstract

The present invention relates to a hosel for connecting a shaft to a club head. In one aspect of the invention, the hosel comprises a body having an undercut, wherein the undercut has a maximum cross section which tapers to a minimum cross section and increases to the maximum cross section immediately adjacent the club head. The hosel further comprises a flange section below the hosel and hosel bore above the undercut, the hosel bore section having a length of at least one inch. In another aspect of the invention, the hosel tapers in diameter from a maximum to a minimum width, and has a maximized interior mold line (IML) to improve bendability and weight savings.


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