Seatbelt buckle with shock-proof device
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United States of America Patent
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-
Feb 19, 2013
Grant Date -
Oct 21, 2010
app pub date -
Nov 21, 2008
filing date -
Nov 27, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
A shockproof device installed to a seatbelt buckle, which is provided in an automobile, airplane, etc, fastened around a seat to keep a passenger safely secured, is installed behind a release button and lock pin, to prevent the release button from being unexpectedly released when the release button is moved in a non-release direction. Even when the release button and lock pin are moved in a release direction, on the basis of a rotation angular velocity of the inertia lever rather than a rotation torque thereof, surface contact between the lock pin and the inertia lever is accomplished and simultaneously, owing to an anti-rotation configuration thereof, the inertia lever reliably prevents unexpected disengagement between the tongue plate and the buckle under the influence of any magnitude of inertial force.
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