ALEXANDRIA, Va., June 4 -- United States Patent no. 12,319,101, issued on June 3, was assigned to MURAKAMI Corp. (Shizuoka, Japan).
"Tire air supplementing device" was invented by Hidenori Sato (Shizuoka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A tire air filling device according to one embodiment includes: a cylinder; a weight which has an air flow hole and which receives a centrifugal force to move and cause air to be supplied to an inside of a tire; a first sealing member; a first spring; a first support portion; and a backflow prevention valve. The backflow prevention valve includes a slide member that slides in the air flow hole in an axial direction, a second spring that biases the slide m...