ALEXANDRIA, Va., March 17 -- United States Patent no. 12,575,633, issued on March 17, was assigned to HJC CORP. (Gyeonggi-do, South Korea).

"Rotating body fixing means for helmet" was invented by Jin Hwan Lee (Gyeonggi-do, South Korea) and Ki Young Nam (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a rotating body fixing means for a helmet. The rotating body fixing means for a helmet, according to the present disclosure, is provided at the helmet comprising a helmet body (10) and a rotating body (20) rotatably coupled to the helmet body (10), and comprises a fixing part (100), which is slidably disposed at one side of the helmet body (10), slides such tha...