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:
Sep. 17, 2013
Filed:
Jun. 13, 2011
Wataru Yanagawa, Aichi-ken, JP;
Masaru Ukita, Aichi-ken, JP;
Yoshiaki Maekubo, Aichi-ken, JP;
Kabushiki Kaisha Tokai-Rika-Denski-Seisakusho, Aichi-ken, JP;
Abstract
The present invention is to suppress a generation of a noise due to repeatedly hitting a clutch plate against a clutch cover and a clutch guide. A webbing take-up device is provided with a clutch cover fixed to a sub-torsion shaft so as to be rotatable integrally therewith; a clutch guide arranged so as to face the clutch cover, and supported capable of relatively rotating to the sub-torsion shaft; a lock ring formed around the clutch cover and the clutch guide; and a clutch plates turned to a lock ring side while being guided by the clutch guide in accordance with relative rotation of the clutch guide to the clutch cover into one rotational direction, and engaged with the lock ring. L-shaped springs which urge the clutch plates to a clutch cover side are formed integrally with the clutch guide.