Toyota Jidosha Kabushiki Kaisha

Sumitomo Riko Company Limited

Hiroki Mizukawa

Naoki Furumachi

Katsuhiro Sakurai

A vibration damping device including: a first attachment member and a second attachment member disposed apart from each other; and a main rubber elastic body connecting the first attachment member and the second attachment member, the main rubber elastic body being of a frustoconical-like shape having an outer peripheral surface whose diameter gradually increases from the first attachment member toward the second attachment member, the main rubber elastic body including a recess opening onto a center portion thereof on a large-diameter side that is a second attachment member side, and the main rubber elastic body that constitutes a bottom part of the recess integrally including a vibration-damping protrusion protruding into the recess.

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Komaki, Japan

Hiroki Mizukawa