US Patent 7520527 Vehicle rear structure provided with curtain air bag device

A vehicle rear structure with a curtain air bag device is provided which is capable of, when a predetermined condition is satisfied, effectively restraining a front upper end of a rear pillar trim from breaking and scattering, and spreading a curtain member properly. The air bag device includes a curtain member which is fixed to the body of a vehicle, inflates with a gas pressure supplied when the predetermined condition is satisfied, and spreads so as to cover the interior surface of a side window glass at least from a side end of a roof trim up to a predetermined lower position in the front surface of the rear pillar; a roof side trim is provided between the vicinity of the upper end of the side window glass and the roof trim, and a rear end of the roof side trim is disposed to overlap with the front upper end of the rear pillar trim; and the curtain member spreads from the inner in the vehicle width directions through the boundary part between the rear end of the roof side trim and the front upper end of the rear pillar trim toward a cabin space of the vehicle.