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:
May. 05, 2009
Filed:
Dec. 16, 2005
Satoshi Oohashi, Shizuoka-ken, JP;
Satoshi Oohashi, Shizuoka-ken, JP;
Yamaha Hatsudoki Kabushiki Kaisha, Shizuoka, JP;
Abstract
A spring spacer is provided to improve the durability of a spring, which is made of Ti or the like and low in surface hardness, by preventing abrasion With the spring spacer placed between a first turn and a second turn of a Ti spring, the spring spacer prevents an end of the first turn from contacting the second turn. The spring spacer includes a contact preventive portion that is interposed between the first turn and the second turn of the Ti spring to prevent the end of the first turn from contacting with the second turn. A holding portion holds the contact preventive portion on the spring or the spring bearing surface. The spring spacer can be used in a variety of applications, including on vehicle suspension springs, engine valve spring, and similar lightweight springs.