ALEXANDRIA, Va., March 19 -- United States Patent no. 12,252,192, issued on March 18, was assigned to KNORR-BREMSE COMMERCIAL VEHICLE SYSTEMS JAPAN LTD. (Sakado, Japan).
"Steering device" was invented by Shogo Ishikawa (Higashimatsuyama, Japan) and Takashi Sasaki (Higashimatsuyama, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "In a steering device (PS1) according to the present embodiment, a preload applying mechanism (6) provides a rotation torque to one side in a rotation direction of a ball nut (4) by a reaction force generated by elastic abutment of a plunger (61) on a tooth tip of a first sector tooth (321) of a sector gear (32). Therefore, in the steering device (PS1), unlike conventional steeri...