ALEXANDRIA, Va., June 4 -- United States Patent no. 12,320,423, issued on June 3, was assigned to YANMAR POWER TECHNOLOGY Co. LTD. (Osaka, Japan).
"Attachment structure of auto tensioner" was invented by Hiroaki Naganawa (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An auto tensioner is supported on one side surface of a cylinder block (the outer surface of a front wall part) via a bracket. The auto tensioner includes: a tension pulley that is pressed against a belt; an arm that rotatably supports the tension pulley and is swingably supported to the bracket; and a hydraulic actuator that is supported by the arm and bracket to adjust the pressing force of the tension pulley to the belt using a ...