howseatbeltswork安全帶工作原理(更新版)
【正文】 Spark from electrodes ignites the igniter material, which busts to ignite the gas ? Pressure pushes piston, driving it upward ? Retractor mechanism – speeding rack rotates spool forcefully, winding up any slack belt webbing Load Limiters ? Minimize beltinflicted injury ? Earlier load limiters had stitching aling the belt that broke to limit the load as the belt tightened. ? Advanced load limiters rely on torsion bar ? When great deal of force is applied to the webbing, torsion bar twists slightly ? Allows webbing to extend a little bit farther ? From: safety/ safetyregulatorydevices/ 。
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鄂ICP備17016276號-1