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:
Aug. 22, 2023
Filed:
Aug. 20, 2021
Sumitomo Rubber Industries, Ltd., Kobe, JP;
Naruhiro Mizutani, Kobe, JP;
Tomohiro Hana, Kobe, JP;
SUMITOMO RUBBER INDUSTRIES, LTD., Kobe, JP;
Abstract
A hollow head includes a head body and a fixed member. The head body is formed by a first material. The fixed member is formed by a second material. The fixed member is disposed inside a body opening portion of the head body. The fixed member includes an outer peripheral portion and an inside region. At least a part of the outer peripheral portion is joined to an inner peripheral portion of the body opening portion. The inner peripheral portion includes a first engaging portion that is constituted by at least one projection or recess. The outer peripheral portion includes a second engaging portion that is constituted by at least one projection or recess. The first engaging portion and the second engaging portion form a projection-recess fitting. The inner surface of the inside region is located on a head outer side relative to an innermost end of a joining portion.