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:
Mar. 16, 2010
Filed:
Dec. 17, 2007
Applicants:
Toru Kitsunai, Shizuoka, JP;
Osamu Matsushita, Shizuoka, JP;
Inventors:
Toru Kitsunai, Shizuoka, JP;
Osamu Matsushita, Shizuoka, JP;
Assignee:
Yamaha Hatsudoki Kabushiki Kaisha, Shizuoka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B62K 21/12 (2006.01); C22F 1/06 (2006.01); C22C 23/00 (2006.01); B21D 53/86 (2006.01);
U.S. Cl.
CPC ...
Abstract
A forged product is made of a magnesium alloy and includes a through hole making portion to make a through hole that runs in a predetermined direction, and a bottom portion that lies on a plane intersecting with the predetermined direction. The through hole includes a first portion that has been formed by a forging process and a second portion that has been formed after the forging process. The second portion of the through hole has shifted toward the bottom portion with respect to the middle of the through hole in the predetermined direction.