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:
Jul. 12, 2011
Filed:
Jul. 25, 2005
Takeshi Ikeda, Iwata, JP;
Hideki Kondou, Iwata, JP;
Takeshi Ikeda, Iwata, JP;
Hideki Kondou, Iwata, JP;
NTN Corporation, Osaka, JP;
Abstract
A quality control method for a constant velocity universal jointincludes a step of attaching an IC tagto the constant velocity universal joint, a step of recording information in the IC tagabout the constant velocity universal joint, a utilizing step for reading the information recorded in the IC tagat any arbitrarily chosen time. The IC tagis attached to one of elementssuch as an outer race, an inner race, an intermediate shaftand boots, all forming respective parts of the constant velocity universal joint. This IC tagis recorded with information on, for example, the manufacturing step, the identification number, the date of manufacture and/or the place of manufacture with respect to the elementsand the constant velocity universal joint