Patent ID: 6557935
Filing Date: 2003-05-06
Classification: B60N

Abstract:
An anti-submarine device installed to the seat frame of an automobile comprising:a submarine bar having one side edge pivotally connected to a first pivotal shaft in order to upwardly rotate through an opening formed on a seat frame; push links rotatably fixed to opposite ends of said submarine bar by means of pins, wherein said push links have a downwardly curved shape; a stopper inserted into guide slots formed at an end of said push links, said guide slots having a length to limit the operation of said push links within a predetermined range; a push panel integrally formed with the said push links opposite the stopper, the push panel capable of rotating around the second pivotal shaft in response to load from a femoral region of a passenger during a head-on collision; and a torsion spring installed on said second pivotal shaft to return said push panel to the original state when the load applied to said push panel is released.