VIBRATION RESTRAINT APPARATUS FOR DOUBLE FLOOR

PURPOSE:To make vibration restraint for a floor slab and a double floor excellent and effective to the source of vibration extending over a wide range, and to make the structure of the apparatus simple, requiring less space for installation and less sophisticated means for construction. CONSTITUTION...

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Bibliographische Detailangaben
Hauptverfasser:	SAWABE YUKIO, SEKI TAKAHARU, NINOMIYA TOSHIFUMI, SHIMURA SEIJI, OKITA HITOSHI, SHOJI TATSUO, OKUMURA TAKAO
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING BUILDING ENGINEERING ELEMENTS AND UNITS FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS FIXED CONSTRUCTIONS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MEANS FOR DAMPING VIBRATION MECHANICAL ENGINEERING SHOCK-ABSORBERS SPRINGS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	PURPOSE:To make vibration restraint for a floor slab and a double floor excellent and effective to the source of vibration extending over a wide range, and to make the structure of the apparatus simple, requiring less space for installation and less sophisticated means for construction. CONSTITUTION:A vibration restraint apparatus 1 is equipped with a support 3 erected over a floor slab 5 for supporting a double floor 2, a spring member 11 arranged to surround the support 3 and made capable of expanding and contracting in the axial direction of the support 3, an upper holder 8 mounted on the support 3 for holding the upper end of the spring member 11, a lower holder 18 mounted slidably on the support 3 and engaged to the lower end of the spring member 11 and an additional weight 19 mounted on the lower holder 18. As vertical vibration is transmitted to the support 3, the spring member 11 moves in expansion and contraction by inertial force of the additional weight 19, and the vibration restraint apparatus 1 produces restraining vibration that acts in the direction of restraining vertical vibration of a building.