Base isolation apparatus, lifting apparatus, and base isolation unit

A structure having limited supportable portions has been difficult to isolate from vibration in the direction in which a load is applied. A base isolation apparatus includes a Z-axis base isolation unit, an X-axis base isolation unit, and a Y-axis base isolation unit. The base isolation unit include...

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Bibliographische Detailangaben
Hauptverfasser:	Hattori, Tomoya, Kawaguchi, Noboru
Format:	Patent
Sprache:	eng
Schlagworte:	BUILDING BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES CEILINGS ELEVATORS ESCALATORS OR MOVING WALKWAYS FENCING FIXED CONSTRUCTIONS FLOORS GENERAL BUILDING CONSTRUCTIONS HAULING HOISTING INSULATION OR OTHER PROTECTION OF BUILDINGS LIFTING MASTS PERFORMING OPERATIONS ROOFS SWIMMING OR SPLASH BATHS OR POOLS TENTS OR CANOPIES, IN GENERAL TRANSPORTING WALLS, e.g. PARTITIONS
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Beschreibung
Zusammenfassung:	A structure having limited supportable portions has been difficult to isolate from vibration in the direction in which a load is applied. A base isolation apparatus includes a Z-axis base isolation unit, an X-axis base isolation unit, and a Y-axis base isolation unit. The base isolation unit includes a vibration-source connector, an isolated-object connector, a lock device disposed between the isolated-object connector and the vibration-source connector for switching between a state of fixing the isolated-object connector and a state of making it movable, a distance recovery device for generating a force to cause an amount of change in distance to approach zero, depending on the amount of change, and a vibration damper for generating a force in an orientation of hindering the change, depending on the rate of change in distance.