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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.:

US 10987554 B1

PDFFull Text
Date of Patent:
Apr. 27, 2021

Filed:

Apr. 06, 2020

Golf club

Applicant:

Sumitomo Rubber Industries, Ltd., Kobe, JP;

Inventors:

Takashi Nakamura, Kobe, JP;

Naruhiro Mizutani, Kobe, JP;

Kenji Takasu, Kobe, JP;

Daisuke Kohno, Kobe, JP;

Wataru Kimizuka, Kobe, JP;

Masahiko Ueda, Kobe, JP;

Assignee:

SUMITOMO RUBBER INDUSTRIES, LTD., Kobe, JP;

Attorney:

Birch, Stewart, Kolasch & Birch, LLP

Primary Examiner:

Stephen L Blau

Int. Cl.
CPC ...
A63B 53/00 (2015.01); A63B 53/08 (2015.01); A63B 60/14 (2015.01); A63B 60/16 (2015.01); B29C 70/30 (2006.01); B29C 51/14 (2006.01); B29C 51/10 (2006.01); A63B 53/14 (2015.01); B29K 21/00 (2006.01); A63B 53/04 (2015.01); A63B 60/54 (2015.01); B29L 31/52 (2006.01); B29K 105/04 (2006.01);
U.S. Cl.
CPC ...
A63B 53/08 (2013.01); A63B 53/14 (2013.01); A63B 60/14 (2015.10); A63B 60/16 (2015.10); B29C 51/10 (2013.01); B29C 51/14 (2013.01); B29C 70/30 (2013.01); A63B 53/047 (2013.01); A63B 53/0466 (2013.01); A63B 53/0487 (2013.01); A63B 60/54 (2015.10); A63B 2053/0491 (2013.01); A63B 2209/02 (2013.01); B29K 2021/00 (2013.01); B29K 2105/04 (2013.01); B29L 2031/5227 (2013.01);
Abstract

A golf club includes a head; a shaft; a grip; and a weight member that is located in a butt end region. The grip and the weight member constitute a grip-weight portion. The shaft, the grip, and the weight member constitute a shaft-grip-weight portion. The head has a weight of greater than or equal to 195 g. The grip-weight portion has a weight of greater than or equal to 40 g. The shaft has a weight of less than or equal to 40 g. The golf club has a weight of greater than or equal to 275 g and less than or equal to 300 g. W/Wis greater than or equal to 0.40, where Wrepresents a weight (g) of the butt end region, and Wrepresents a weight (g) of the shaft-grip-weight portion.

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