Vibration damping structure for steering wheel
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United States of America Patent
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-
Oct 29, 2013
Grant Date -
Mar 21, 2013
app pub date -
Aug 31, 2012
filing date -
Sep 21, 2011
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A vibration damping structure for a steering wheel includes an airbag mounted in the steering wheel, an inflator arranged forward of the airbag, and a support member elastically supporting the inflator at a position forward of the inflator. The inflator includes a peripheral wall portion and gas ports formed in the wall portion. The support member has a hole facing the inflator. A sealing portion is provided to surround the hole. Through contact between the inflator and the support member at the sealing portion, gas leakage via the hole is prevented. The inflator has a pressure receiving portion in the vicinity of the gas ports to change the flow direction of gas, which is discharged outward from the gas ports in the radial direction of the wall portion, to a direction toward a rear side. The pressure receiving portion produces force acting forward by receiving pressure from the gas.
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