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:
May. 26, 1992
Filed:
Apr. 19, 1991
Applicant:
Inventors:
Assignee:
Tsubakimoto Chain Co., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H / ;
U.S. Cl.
CPC ...
474 84 ; 474101 ;
Abstract
A chain-type power transmission mechanism, having first and second sets of sprockets, each set of which has a sprocket provided on both a drive shaft and a driven shaft. A first chain extends over and between the first set of sprockets, and a second chain extends over and between the second set of sprockets. The two sprockets provided on at least one of the shafts are relatively changeable in rotational position whereby the forward side of one chain and the backward side of the other chain are tensioned.