Anti-vibration device
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United States of America Patent
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Nov 29, 2016
Grant Date -
Dec 24, 2015
app pub date -
Jan 10, 2014
filing date -
Feb 25, 2013
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An anti-vibration device includes: an inner cylinder connected to one of a vibration generating portion and a vibration receiving portion; an outer cylinder connected to the other one of the vibration generating portion and the vibration receiving portion; an intermediate cylinder pressed in an inner periphery of the outer cylinder; a main elastic body connecting the inner cylinder and the intermediate cylinder; and a stopper elastic body independent of the main elastic body, the stopper elastic body being fixed to the intermediate cylinder and facing, in a direction orthogonal to an axial direction of the inner cylinder, the inner cylinder with at least a cavity in between, the cavity being formed through the main elastic body in the inner cylinder axial direction, wherein the stopper elastic body has an axial stopper portion that protrudes beyond the intermediate cylinder and the outer cylinder in the inner cylinder axial direction.
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