FLUID CONTAINED VIBRATION ISOLATING SUPPORTING DEVICE

PURPOSE:To adjust the rigidity of the spring in two stages by opening and closing an orifice which connects plural fluid chambers separately provided in an elastic member by means of the reciprocation of a shut-off member provided in a rotary shaft member. CONSTITUTION:A rubber sleeve 10 has two sym...

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Bibliographische Detailangaben
Hauptverfasser:	KAINUMA KENICHI, SAIGOU FUMITAKA, KANDA RYOJI
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES AUXILIARY DRIVES FOR VEHICLES BLASTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING INSTRUMENTATION OR DASHBOARDS FOR VEHICLES LIGHTING MEANS FOR DAMPING VIBRATION MECHANICAL ENGINEERING PERFORMING OPERATIONS SHOCK-ABSORBERS SPRINGS THERMAL INSULATION IN GENERAL TRANSPORTING VEHICLE SUSPENSION ARRANGEMENTS VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	PURPOSE:To adjust the rigidity of the spring in two stages by opening and closing an orifice which connects plural fluid chambers separately provided in an elastic member by means of the reciprocation of a shut-off member provided in a rotary shaft member. CONSTITUTION:A rubber sleeve 10 has two symmetrical pocket parts 20 in a form of cutting off the opposite positions of its outer peripheral surface and which extend in the circumferential direction and is formed in an integrated form with the outer peripheral surface of a core metal 4. And, fluid chambers 30 are partitioned by a press fitted outer cylinder metal member 16, the pocket parts 20 of the rubber sleeve 10 and the core metal 4, and connected to each other by means of connecting passages 38, 40. A shut-off rod 42 which is reciprocated by a driving device 46, is provided midway in the connecting passage 38 in the core metal member 4 and carries out opening and closing of the connecting passage 38 to adjust the rigidity of the spring in two stages.