Dayco IP Holdings, LLC

Christopher R Buddington

Suhale Manzoor

Anthony Eugene Lannutti

William J Piepsney

Torsional vibration dampers are disclosed that have a hub having a plate extending radially outward about a shaft-receiving member, a first portion of an inertia member defining a back face and a bore therethrough and having an annular flange concentric about the axis of rotation, a first elastomeric member and a second elastomeric member positioned against opposite sides of the plate, and a second portion of the inertia member fastened to the first portion of the inertia member by one or more fasteners, thereby placing the first and second elastomeric members in compression. The shaft-receiving member of the hub is positioned in the bore with the plate of the hub spaced a distance from an interior surface of the annular flange, and the plate of the hub and the interior surfaces of each of the first and second portions of the inertia member facing the plate define dual common vertices.

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Livonia, MI, United States of America

Christopher R Buddington