US Patent Issued to Hitachi on June 2 for "Rail vehicle" (Japanese Inventors)

ALEXANDRIA, Va., June 2 -- United States Patent no. 12,643,579, issued on June 2, was assigned to Hitachi Ltd. (Tokyo).

"Rail vehicle" was invented by Satoru Kagata (Tokyo), Kimiyasu Yoshimura (Tokyo) and Yosuke Morita (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a rail vehicle that efficiently transmits, to a railway vehicle structure, an oscillating force transmitted from a bogie to an underframe via a yaw damper and a yaw damper support portion, and that has sufficient strength. The underframe includes a floor portion, a side beam, and a bolster beam. A side structure is erected on an end portion in a vehicle width direction of the underframe. The bogie supports the underframe from be...