ALEXANDRIA, Va., March 19 -- United States Patent no. 12,253,122, issued on March 18, was assigned to TSUBAKIMOTO CHAIN Co. (Osaka, Japan).

"Selectable clutch" was invented by Yuto Hanawa (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A selectable clutch that enables an improvement in the performance of maintaining orientations of cams, and allows simplification of the structure of biasing mechanism, as well as reduction of the thrust required for the switching of operating modes is provided. The selectable clutch includes a plurality of cams circumferentially held by a cage ring between an inner race and an outer race, and biased in an engaging direction by a biasing mechanism. The cams are ea...