Patent ID: 6328335
Filing Date: 2001-12-11
Classification: B60R

Abstract:
Air bag system comprising an air bag, multi-stage gas generating devices for inflating the air bag to a primary stage wherein the air bag is partially inflated to a predetermined state, and to at least one subsequent stage wherein the air bag is further inflated, at least one electric switch, at least one mechanical device coupling said at least one electric switch to the air bag for causing said at least one electric switch to be switched, responsive to unhindered expansion of the air bag to said predetermined state of partial inflation, to trigger the gas generating device for the at least one subsequent stage to produce said further inflation of the air bag and wherein a voltage source is applied to the at least one electric switch, one side of which is connected to ground, and wherein when the air bag has inflated to the predetermined state of partial inflation, the connection to ground is broken.