Aseismic support structure

Details Aseismic support structure Aseismic support structure

1996-08-16

1999-02-09

Friedman, Carl D.

Static structures (e.g., buildings)

Means compensating earth-transmitted force

Relative motion means between a structure and its foundation

521674, 521676, 248638, 248636, E02D 2734, E04B 198, E04H 902

Patent

active

058679529

ABSTRACT:
An aseismic support structure which includes a fixed part which is attached to a stationary floor, an equipment connection part for holding part of the equipment and a moving part coupled to the fixed part and the equipment connection part and wherein the moving part is freely movable relative to the fixed part in any direction parallel with the stationary floor and the equipment connection part is freely rotatable about the moving part. The equipment can have a caster which is held by the equipment connection part. For a weak earthquake shock, a caster lock portion of the equipment connection part locks the caster of the equipment to prevent the movement of the equipment. For a stronger earthquake, resonance is prevented by the moving part moving in a direction parallel with the stationary floor, and for a ruinous earthquake the vibration of the moving part is absorbed by a shock absorbing member attached to the fixed part.

REFERENCES:
patent: 4711423 (1987-12-01), Popper
patent: 4805359 (1989-02-01), Miyake et al.
patent: 5040764 (1991-08-01), Dubois
patent: 5308036 (1994-05-01), Olson et al.
patent: 5366200 (1994-11-01), Scura
patent: 5520029 (1996-05-01), Savkar

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