ALEXANDRIA, Va., June 25 -- United States Patent no. 12,338,874, issued on June 24, was assigned to HITACHI ASTEMO LTD. (Ibaraki, Japan).
"Valve driving device and shock absorber using the same" was invented by Shinji Seto (Tokyo) and Ryuichi Suka (Hitachinaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention aims to provide a valve driving device that suppresses an increase in size and improves thrust. The present invention includes a bobbin including a body portion, a solenoid coil wound around the body portion of the bobbin, an armature arranged on a radially inner side of the bobbin and fixed to a rod, an anchor that covers one side in an axial direction of the armature at a pos...