ALEXANDRIA, Va., June 12 -- United States Patent no. 12,296,467, issued on May 13, was assigned to NHK SPRING Co. LTD. (Kanagawa, Japan).
"Bending structural body" was invented by Takafumi Hirata (Kanagawa, Japan), Yuki Hotoda (Kanagawa, Japan), Masahiro Inaba (Kanagawa, Japan) and Yuki Hayakawa (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The bending structural body comprises: an inner cylinder that is formed from a first inner coil part and a first outer coil part, and in which wound parts corresponding to the first inner coil part are respectively fitted to pitches between adjacent wound parts of the first outer coil part; an outer cylinder that covers at least some of the outer circumf...