Vibration isolating device

Details Vibration isolating device Vibration isolating device

1988-08-18

1991-02-12

Scherbel, David A.

Static structures (e.g., buildings)

Means compensating earth-transmitted force

Relative motion means between a structure and its foundation

248562, E04H 902

Patent

active

049913662

ABSTRACT:
A vibration isolating device is provided with an isolator formed by an elastic member of laminated rubber and interposed between the base of a building and its foundation, for supporting the vertical load of the building and obtaining a long period dumping. A main dumper is disposed side by side with the isolator, for effectively damping relatively strong vibrations, and a sub-damper is disposed side by side with the isolator, for effectively dumping relatively weak vibrations. The vibration isolating device damps weak vibrations by the sub-damper and strong vibrations by the main damper, and hence gets effective damping of a wide range of vibrations from slight traffic vibrations to great earthquake shocks.

REFERENCES:
patent: 3212745 (1965-10-01), Lode
patent: 4527365 (1985-07-01), Yoshizawa et al.
patent: 4599834 (1986-07-01), Fugimoto et al.

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