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. 19, 2011
Filed:
Mar. 19, 2009
Michiyasu Nosaka, Anjo, JP;
Hiroshi Nagae, Toyohashi, JP;
Masahiro Yamashita, Hamamatsu, JP;
Yasuo Tabuchi, Toyoake, JP;
Yoshiki Tada, Okazaki, JP;
Mitsuhiro Tanabe, Toyohashi, JP;
Michiyasu Nosaka, Anjo, JP;
Hiroshi Nagae, Toyohashi, JP;
Masahiro Yamashita, Hamamatsu, JP;
Yasuo Tabuchi, Toyoake, JP;
Yoshiki Tada, Okazaki, JP;
Mitsuhiro Tanabe, Toyohashi, JP;
DENSO CORPORATION, Kariya, JP;
Abstract
A power transmission apparatus includes a pulleyhaving a belt attached thereto to transmit the rotating drive force, a hubwhich connects the pulley to a rotating shaft of a driven device, a bearingwhich rotatably supports the pulley, and a sleeve ringwhich is fitted and secured to the pulley and attaches the bearing to the pulley to prevent it relatively moving. The sleeve ring is provided, on its first end opposite to the driven device, with a bent portionagainst which the bearing abuts to restrict further movement of the bearing. An annular retaineris provided on the portion of the bearing adjacent to the drive device. The bearing is secured to the sleeve ring through the annular retainer by calking a second endof the sleeve ring opposite to the first end. The sleeve ring is provided with a projectionwhich projects in the axial direction from the rear surface of the pulley and a casingis provided with an annular groovewhich at least partly receives therein the projection.