Patent ID: 7364185
Filing Date: 2008-04-29
Classification: B60N,B60R

Abstract:
1. A device for protecting an occupant seated in a rearmost seat of a vehicle, wherein the rearmost seat has a backrest and a seat portion extending from the backrest toward the front of the vehicle, the device comprising: an impact determining device for determining that an impact has been applied to the vehicle or that there is a possibility that an impact will be applied to the vehicle; and a movement restricting mechanism, which functions to restrict the rearward movement of the occupant seated in the rearmost seat based on the determination result of the impact determining device, wherein the movement restriction mechanism includes: an air bag, which is deployed between the backrest and a rear window glass of the vehicle, and the air bag includes a thickness restriction mechanism for restricting the thickness of the air bag; and a tension applying mechanism, which applies tension to the air bag, the tension being required for restricting the rearward movement of the occupant seated in the rearmost seat.