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. 30, 1997
Filed:
Mar. 05, 1996
Hiroshi Hayafune, Iruma, JP;
Atsushi Kumakura, Iruma, JP;
Tsubakimoto Chain Co., Osaka, JP;
Abstract
A chain tensioning device includes a pair of levers interconnected and fixed at one end to a rotatably supported base and extending along the chain to be tensioned and a tensioner connected to the other end of one of the pair of levers. One of the levers is disposed on the end side of the chain to be tensioned as viewed from the rotatably supported base and has a convexly curved surface touching internally the chain, and a shoe attached to the convexly curved surface. The other of the levers is disposed on the departure side of the chain as viewed from the base and has a convexly curved surface touching externally the chain, and a shoe attached to the convexly curved surface. A projection on a side of the one of the levers opposite to the shoe for receiving a thrusting force from the tensioner 20 and applying such thrusting force to the interconnected levers.