20100263176 | SEATBELT BUCKLE WITH SHOCK-PROOF DEVICE - Disclosed is a buckle for a seatbelt apparatus provided in an automobile, airplane, etc., fastened around a seat to keep a passenger safely secured. More particularly, disclosed is a shockproof device installed to a seatbelt buckle. The shockproof device 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. | 10-21-2010 |