Patent ID: 7367585

Claim:
An inflating device for an air bag of a vehicle comprising: a casing having an inlet, an outlet, two sides and an inner surface; an air bag tray attached to the outlet in the casing for supporting the air bag; an gas generating device mounted on the casing and comprising a tube extending into the casing and having an air channel defined in the tube and multiple vents communicating with the air channel; an gas generator attached to one end of the tube and comprising a housing attached to the end of the tube; a chemical holder mounted inside the housing to contain chemicals and having multiple exhausting bores communicating with the air channel in the tube; and an igniting device attached to housing and extending into the chemical holder to ignite the chemicals in the chemical holder; and a guide plate mounted inside the casing and corresponding to the vents in the tube, wherein a gap is defined between the tube and the guide plate to define a guiding channel between the tube and the guide plate and communicating with the vents in the tube; and a check valve mounted in the casing and corresponding and closing the inlet of the casing.