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:
Aug. 29, 2017
Filed:
Jul. 28, 2015
Tsubakimoto Chain Co., Osaka-shi, Osaka, JP;
TSUBAKIMOTO CHAIN CO., Osaka-shi, JP;
Abstract
An object of the present invention is to provide a chain tensioner which enables operations on an elastic ring member during assembly and maintenance work to be readily performed and which is capable of eliminating protrusion of an operating portion of the elastic ring member in a direction opposite to a mounting surface, with a simple configuration. A ring holding portionprovided on an open side of a plunger housing holeincludes a pressing projectionand a restricting portionwhich restrict rotation of the elastic ring memberand which oppose both outer sides of a pair of operating portionsof the elastic ring memberin a circumferential direction, and the pressing projectionis arranged at a position closer to a mounting surfacethan the restricting portion