Patent ID: 6820380
Filing Date: 2004-11-23
Classification: E01D,E04H

Abstract:
A structure of an anti-shock device comprised of a base, a carrier, a slide block; a slip concavity of a sunken round curved recess is respectively formed in the center of the said base top surface and in the center of the said carrier bottom surface, and the said slide block is situated between the two said slip concavities; the said slide block consists of an upper slide block member, a lower slide block member, and a coupling bearing; a seating recess is respectively formed in the bottom surface of the said upper slide block member and in the top surface of the said lower slide block member, and said coupling bearing is nested between the two said seating recesses; the contact surfaces between the said upper and lower slide block members and the said slip concavities consist of round curved surfaces that match the curvature of the said slip cavities, said base of the anti-shock device is fastened onto the building foundation and the said carrier is fastened to the bottom section of the building columns to provide shock eliminating capability.