ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,466,250, issued on Nov. 11, was assigned to Sumitomo Riko Co. Ltd. (Aichi, Japan).
"Vibration damping device" was invented by Takayoshi Yasuda (Aichi, Japan), Kenji Kuroda (Aichi, Japan) and Takaya Ito (Aichi, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "In a vibration damping device, a main rubber elastic body has a truncated cone shape and includes a recess open to a lower surface. A central axis of an inner member is arranged eccentric with respect to a central axis of an outer cylindrical member in an axis-perpendicular direction. The main rubber elastic body that connects the inner member and the outer cylindrical member has different free ...