ALEXANDRIA, Va., May 5 -- United States Patent no. 12,618,447, issued on May 5, was assigned to HITACHI ASTEMO LTD. (Ibaraki, Japan).
"Method of manufacturing shock absorber" was invented by Wataru Takagi (Hitachinaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A damping unit and an actuating unit of a damping force adjustment mechanism are inserted into a case provided to a side portion of an outer tube (outer cylinder). After the damping unit and the actuating unit are fastened together, a shock absorber main body with an upper end (another end) of a piston rod facing down is placed in a spring seat fixing jig, and a spring seat is fixed (press-fitted) over the shock absorber main body. A spring ...