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:
Jul. 19, 2016

Filed:

Jul. 10, 2014
Applicant:

Bridgestone Sports Co., Ltd., Tokyo, JP;

Inventors:

Tomonori Kitagawa, Tokyo, JP;

Kozue Wada, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63B 53/04 (2015.01);
U.S. Cl.
CPC ...
A63B 53/047 (2013.01); A63B 2053/0408 (2013.01); A63B 2053/0433 (2013.01); A63B 2053/0445 (2013.01); A63B 2053/0458 (2013.01);
Abstract

An iron type golf club head that comprises a face part, a sole part, a hosel part, and a cavity part. A lower part of an inner surface of the cavity part on a face surface side is a forward recess part that is recessed toward a face surface, and following formulas are satisfied:θ≦θand θ≦θwherein an intersectional angle that is formed between the lower part of the inner surface of the cavity part on the face surface side and the face surface is marked with θ, an intersectional angle that is formed between a rear surface of the cavity part and the face surface is marked with θ, and an intersectional angle that is formed between a bottom surface of the cavity part and the face surface is marked with θ.


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