Vibration damping device for vehicle body
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United States of America Patent
Stats
-
Dec 19, 2017
Grant Date -
Jun 2, 2016
app pub date -
Jul 11, 2014
filing date -
Jul 11, 2013
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A first hydraulic damper includes one end portion attached to a first attachment position of a vehicle body. A second hydraulic damper includes one end portion coupled to the other end portion of the first hydraulic damper via a linking member, and the other end portion attached to a second attachment position of the vehicle body. Each of the first and second hydraulic dampers includes a hydraulic cylinder, a piston, a piston rod, a free piston, a compression coil spring, first and second working oil passages to cause first and second oil chambers to communicate with each other, and working oil passage throttles. The first hydraulic damper, second hydraulic damper, and the linking member are coupled in the longitudinal direction. One of the hydraulic cylinder and piston rod is attached to the vehicle body, and the other is coupled to the linking rod.
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