Patent 10508719 was granted and assigned to Hyundai Motor Company on December, 2019 by the United States Patent and Trademark Office.
An auto tensioner is mounted on a rotating shaft of an engine auxiliary device rotating about the rotating shaft by a power transmitted through a power transmission belt. The auto tensioner pivots about a pivot shaft. The auto tensioner has one side rotatably fastened to the pivot shaft and another side fastened to a driving member, and pivots about the pivot shaft in accordance with an operation of the driving member.