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:
Dec. 08, 2015
Filed:
Apr. 27, 2012
Tetsuo Yoneda, Kobe, JP;
Katsuya Imai, Kobe, JP;
Tetsuo Yoneda, Kobe, JP;
Katsuya Imai, Kobe, JP;
Mitsuboshi Belting Ltd., Hyogo, JP;
Abstract
An auto-tensioner includes: a stationary member having a first cylindrical portion; a rotatable member having a second cylindrical portion at least partially overlapping the first cylindrical portion in a radial direction; and a drainage mechanism provided at a boundary part of the first and second cylindrical portions, including a water inlet configured by a gap between an outer peripheral surface of the first cylindrical portion and an outer peripheral surface of the second cylindrical portion and being open along a peripheral direction, a water passage which is configured by a gap between a water collecting groove formed along the peripheral direction in the outer peripheral surface of one of the two cylindrical portions and the other cylindrical portion, and communicates with the water inlet, and at least one drainage port formed in a peripheral wall on an outside in the radial direction of the water passage.