申请公布号:JP4978840(B2)
申请号:JP20070167634
申请日期:2007.06.26
申请公布日期:2012.07.18
分类号:F16F1/38;F16F15/08
主分类号:F16F1/38
摘要:PROBLEM TO BE SOLVED: To provide a rubber bushing excellent in fatigue durability maintaining ride comfort while increasing axially perpendicular stiffness. SOLUTION: This bushing is provided with a roughly cylindrical shape rubber elastic body 3 connecting an inner tube 1 and an outer tube 2. An annular depression part 4 is formed on an outer circumference surface of the inner tube 1 over a whole circumference at an intermediate section in a tubular axis X direction, and an annular protrusion part 6 is formed on an inner circumference surface of the rubber elastic body 4 with corresponding the same. The annular protrusion part 6 is pressed in the annular depression part 4 and is connected under a non-adhesion condition. Compression rate of the rubber elastic body 3 of the annular protrusion part 6 is set higher than at least an end part of the tubular axis X direction. An inner diameter of the rubber elastic body 3 is formed in such a manner that the same gradually increases toward both end sides from a vicinity of the annular protrusion part 6. COPYRIGHT: (C)2009,JPO&INPIT
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