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:
Dec. 08, 2009
Filed:
Apr. 22, 2008
Sasamoto Akinori, Kiyose, JP;
Cheng-tao Lee, Kaohsiung, TW;
Yuan-jen Hou, Kaohsiung, TW;
Te-fu Hsiao, Kaohsiung, TW;
Sasamoto Akinori, Kiyose, JP;
Cheng-Tao Lee, Kaohsiung, TW;
Yuan-Jen Hou, Kaohsiung, TW;
Te-Fu Hsiao, Kaohsiung, TW;
Advanced International Multitech Co., Ltd., Kaohiung, TW;
Abstract
A golf club head includes a head body formed with a cavity, and a counterweight unit fitted in the cavity and including a sleeve body and an insert body. The sleeve body has a first end face, a second end face, first and second cavities, and first and second inner walls. The first inner wall has at least one first corner. The second inner wall has at least one second corner out of alignment with the first corner. The sleeve body further has at least one shoulder face formed at a junction of the first and second cavities. The insert body includes an insert portion removably inserted into the sleeve body, and an abutting portion extending outward from the sleeve body and abutting against the first end face. The insert portion has at least one flange engaging the second corner and having a stop face abutting against the shoulder face.