ALEXANDRIA, Va., March 19 -- United States Patent no. 12,253,135, issued on March 18, was assigned to SUMITOMO RIKO COMPANY Ltd. (Komaki, Japan).
"Tubular vibration-damping device" was invented by Masaaki Hirano (Komaki, Japan) and Takashi Kume (Komaki, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A tubular vibration-damping device including an inner shaft member and an outer tube member connected by a main rubber elastic body. The outer tube member is configured to be slidably inserted in an attachment tube in an axial direction, and is circumferentially divided so as to be radially deformable or displaceable. A pair of tighteners are disposed on axially opposite sides of the main rubber elastic bod...