Patent ID: 6457285
Filing Date: 2002-10-01
Classification: E04H

Abstract:
An improved aseismic system comprising:a seismic filter which will provide a frictionless surface between a support pillar and a foundation, said seismic filter comprising a pillar support plate having a flat upper surface and an interior cavity, a jack plate having a flat upper surface and a flat lower surface within said interior cavity of said pillar support plate, said jack plate resting on an upper seal plate having a flat upper surface and a flat lower surface, a seal support plate having a flat upper surface, said seal support plate mounted on a main support plate, a seal having a width and a height, and a hermetically confined fluid separating said upper seal plate and said seal support plate; and a means for dampening any motion of a structure which has said seismic filters installed under said support pillars; whereby said structure will be isolated from destructive seismic forces.