ALEXANDRIA, Va., March 19 -- United States Patent no. 12,253,120, issued on March 18, was assigned to TSUBAKIMOTO CHAIN Co. (Osaka, Japan).
"Cam and one-way cam clutch" was invented by Yuto Hanawa (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 and a one-way cam clutch that realize a reduction in weight and production cost, provide more design freedom in setting the center of gravity of the cam, and achieve high responsiveness. The above object is achieved by a cam configured to make contact with an inner race and an outer race by a rotational moment applied in an engaged direction by an annular spring, in which a plurality of cam plates hav...