ANTI-SUBMARINE SEAT OF A VEHICLE FOR PREVENTING SUB-MARINE CAUSED BY A COLLISION BY SUPPORTING THIGHS OF PASSENGERS WITH AN AIRBAG THAT IS EXPANDED UPWARD FROM THE FRONT SIDE OF A SEAT CUSHION

摘要

Purpose: an anti-submarine seat of a vehicle is arranged to reduce the damage of the thigh of the passenger as caused by attached marine corps, operates an airbag in the front for a seat cushion of a head-on crash. Construction: an anti-submarine seat of a vehicle includes an airbag (100) on the top for the framework (410) being positioned in the front of a seat cushion (400) and is expanded by an inflator (110); One displacement sensor (200) is mounted on the positive of airbag; That one controller (300) is connected to displacement sensor and a crash sensor (310) are mounted on a vehicle body, expand airbag by inflator. On holding the support panel to the both ends of framework, airbag expands upwards. There is displacement to be detected by displacement sensor and differential speed for the attached marine corps of controller measure of passenger, if when an accident collision is by crash sensor detection and attached marine corps expands airbag on a predetermined value.