| 摘要 |
PROBLEM TO BE SOLVED: To protect an occupant by appropriately holding the occupant by a seat belt when a vehicle is rolled over. SOLUTION: An occupant protective device for vehicles to protect an occupant by a seal belt 3 provided with a shoulder belt to restrain a shoulder part of the occupant and a lap belt 2 to restrain a waist part of the occupant, is provided with a roll over detecting means to detect that the vehicle is rolled over according to the output signal, etc., of a gravity sensor 8, etc., and a pre- tensioner 6 to drive the lap belt 2 in the tightening direction when the roll over detecting means detects that the vehicle is roller over, and the lap belt 2 is wound by the pre-tensioner 6 when the vehicle is rolled over. |
