US Patent Issued to YKK on May 26 for "Rotary connecting structure and rotary coupler" (Japanese Inventor)

ALEXANDRIA, Va., May 26 -- United States Patent no. 12,638,038, issued on May 26, was assigned to YKK Corp. (Tokyo).

"Rotary connecting structure and rotary coupler" was invented by Ryoichiro Takazakura (Toyama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A halter snap includes a hook member serving as a primary molded product and a holder member serving as a secondary molded product, the hook member and the holder member being injection-molded from resin and rotatably coupled to each other. The primary molded product includes a shaft formed irreducible in diameter. The secondary molded product includes a bearing portion coupled to the shaft and formed unincreasable in diameter. The shaft is configu...