ALEXANDRIA, Va., March 19 -- United States Patent no. 12,253,123, issued on March 18, was assigned to TSUBAKIMOTO CHAIN Co. (Osaka, Japan).
"Cam clutch" was invented by Yuto Hanawa (Osaka, Japan) and Masahiro Kobayashi (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An object of the present invention is to provide a cam clutch that biases cams with a stable force and enables improvement in durability and operational stability. The biasing means for biasing the cams to contact the inner race and outer race is formed by a ribbon spring, with a base part shaped into a ring and having cam-receiving portions and cam-biasing portions. The ribbon spring has an end structure configured to allow both end...