All-directional damping and earthquake-resisting unit

Details All-directional damping and earthquake-resisting unit All-directional damping and earthquake-resisting unit

2005-09-27

2005-09-27

King, Anita (Department: 3632)

Static structures (e.g., buildings)

Means compensating earth-transmitted force

Reexamination Certificate

active

06948284

ABSTRACT:
An all-directional damping and earthquake-resisting unit is fixed to a lower part of an object, such as a column of a building, and a foundation for the object, so that functionally different members of the unit normally bear the weight of the object. When there is an earthquake, round balls included in the unit automatically roll and rotate on ball restoring means provided on two ball carriers while a piston assembly automatically moves in a buffer space, so that an instantaneous impact by the earthquake energy and any earthquake-induced displacement are absorbed by the unit. The balls and the piston assembly finally automatically return to their original positions in the unit, enabling the object and the foundation thereof to always locate at the same place without the risk of deviating from their centers.

REFERENCES:
patent: 951028 (1910-03-01), Schar
patent: 1651411 (1927-12-01), Porter
patent: 2014643 (1935-09-01), Bakker
patent: 6052955 (2000-04-01), Haider
patent: 6085471 (2000-07-01), Axon
patent: 6116784 (2000-09-01), Brotz
patent: 6324795 (2001-12-01), Stiles et al.
patent: 6688051 (2004-02-01), Tsai
patent: 2002/0166296 (2002-11-01), Kim
patent: 2004/0074162 (2004-04-01), Tsai

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