Patent ID: 7131663
Filing Date: 2006-11-07
Classification: B60R,Y10T

Abstract:
1. An apparatus for providing inflation fluid to inflate an inflatable vehicle occupant protection device, said apparatus comprising: a container storing inflation fluid under pressure, said container having an outlet passage through which inflation fluid flows from said container; a rupturable closure member fixed to said container and blocking flow of inflation fluid through said passage; a support for said rupturable closure member defining a chamber adjacent said rupturable closure member, said rupturable closure member having a first portion positioned outside said chamber prior to said inflation fluid being introduced into said container, said first portion being deformed into said chamber by the pressure of the inflation fluid when introduced into said container, said rupturable closure member having a second ring-shaped portion encircling said first portion outside of said chamber; and an initiator which, when actuated, ruptures said closure member by shearing said first portion from said second portion.