Patent ID: 9085307
Filing Date: 2015-07-21
Classification: B61D,F16F

Abstract:
1. A vibration damping shaped aluminum extrusion comprising a pair of face plates which face each other and a plurality of ribs connecting the face plates, wherein a damping material is provided at least on the central part of the rib in an inner surface of a hollow part formed by the face plate and the ribs, wherein a positioning protrusion is formed in the central part of the rib in order to provide a damping material on the central part of the rib, and the damping material is provided on the rib so as to contact with the positioning protrusion; the rib is formed such that a thickness of the central part of the rib on which a damping material is provided is smaller than the thickness of a portion on which a damping material is not provided, and the surface of the rib on which the damping material is provided is a flat surface.