ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,510,121, issued on Dec. 30, was assigned to TOYOTA BOSHOKU K.K. (Aichi, Japan).
"Rotational force transmission device" was invented by Kouju Suzuki (Aichi, Japan) and Tadasuke Higuchi (Aichi, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A rotational force transmission device configured to transmit a rotational force and applied to a vehicle seat apparatus. The rotational force transmission device includes an input-side transmission member having a ball point, an output-side transmission member slidably coupled to the input-side transmission member and having a ball point, and an elastic member providing an elastic force to make the input-side tr...