Switchable bearing bushing for a motor vehicle
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United States of America Patent
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Jul 21, 2020
Grant Date -
Jun 14, 2018
app pub date -
May 17, 2016
filing date -
Aug 4, 2015
priority date (Note) -
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Abstract
A bearing bushing, for example, for a motor vehicle. The bearing bushing is switchable between a first and a second stiffness stage. The bearing bushing has a first elastomer ring, which is arranged rotationally fixedly on an outer circumferential surface of an inner ring, and a second elastomer ring, which is arranged rotationally fixedly on an inner circumferential surface of an outer ring. Radially between the two elastomer rings, an intermediate ring makes contact in a rotationally fixed manner with the two elastomer rings. To change in stiffness of the bearing bushing, the first elastomer ring can be bridged by the intermediate ring and at least one blocking ring which is arranged on the bearing bushing at an end side.
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