US 2006/0137264 A1 · Seismic isolation apparatus

Abstract

A seismic isolation apparatus features damping characteristics equivalent to or better than prior art, without burdening the environment. In this seismic isolation apparatus, a cylindrical cavity portion is formed at the middle of an outer side laminated body, which has a form in which respective pluralities of resiliently deformable rubber rings and metal rings for maintaining rigidity are alternately laminated. A helically formed coil spring is disposed in this cavity portion so as to be snugly fitted. An inner side laminated body, which has a form in which respective pluralities of resiliently deformable rubber plates and metal plates for maintaining rigidity are alternately laminated, is disposed at an inner peripheral side of the coil spring.

Claims20

Dependent claims

A seismic isolation apparatus comprising:

an outer side laminated body with a form in which first resilient plates and first stiff plates are alternately laminated, the first resilient plates being formed in ring shapes and the first stiff plates being formed in ring shapes;
a coil spring fabricated of metal, which is disposed inside the outer side laminated body;
and
an inner side laminated body, with a form in which second resilient plates and second stiff plates are alternately laminated, the second resilient plates being formed in disc shapes and the second stiff plates being formed in disc shapes, and the inner side laminated body being disposed at an inner peripheral side of the coil spring.

1 more element

Dependencies are inferred from the claim text.

Seismic isolation apparatus

Life of this patent

Seismic isolation apparatus

Life of this patent

Abstract

Claims20