Vibration-preventing rubber device

This invention relates to a vibration-preventing rubber device in which a partition wall having a hub is positioned outside an inner cylinder and is interposed between an upper plate and a lower plate which are connected to the inner cylinder. An upper vibration-preventing rubber member is interpose...

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Bibliographic Details
Main Authors MURASE; KENJI, MAKIBAYASHI; KATSUNORI, KUNIHIRO; MOTOO
Format Patent
LanguageEnglish
Published 28.06.1988
Edition4
Subjects
BLASTING
ENGINEERING ELEMENTS AND UNITS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
LIGHTING
MEANS FOR DAMPING VIBRATION
MECHANICAL ENGINEERING
MOTOR VEHICLES
PERFORMING OPERATIONS
SHOCK-ABSORBERS
SPRINGS
THERMAL INSULATION IN GENERAL
TRAILERS
TRANSPORTING
WEAPONS
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Summary:This invention relates to a vibration-preventing rubber device in which a partition wall having a hub is positioned outside an inner cylinder and is interposed between an upper plate and a lower plate which are connected to the inner cylinder. An upper vibration-preventing rubber member is interposed between the partition wall and the upper plate and cooperates with the partition wall and the upper plate to define an upper damper liquid chamber. A lower vibration-preventing rubber member is interposed between the partition wall and the lower plate and cooperates with the partition wall and the lower plate to define a lower damper liquid chamber. The upper damper liquid chamber communicates with the lower damper liquid chamber through an orifice. The orifice is formed from a long curved pipe in the shape of a helix or the like.
Bibliography:Application Number: US19860881955