Occupant protection apparatus and control method therefor
First Claim
1. An occupant protection apparatus comprising:
- a seatbelt including a region fitted to an occupant from a shoulder part thereof to a lumbar part thereof to restrain the occupant;
a slack removal device that is actuated to remove slack in the seatbelt;
a load limitation device that is actuated in response to a head-on collision of a vehicle to limit a restraint load applied to the occupant by the seatbelt;
an inflation body deployment device that supplies an inflation body with a fluid to inflate/deploy the inflation body between the occupant and a vehicle interior member located in front of the occupant with respect to the vehicle; and
a control device that actuates the slack removal device and actuates the inflation body deployment device such that the inflation body starts being supplied with the fluid upon or after start of actuation of the load limitation device following actuation of the slack removal device in an event of a head-on collision of the vehicle.
2 Assignments
0 Petitions
Accused Products
Abstract
A vehicular occupant protection apparatus (10) is equipped with a seatbelt (12) including a shoulder belt portion (12A) fitted to a occupant (P) from a shoulder part thereof to a lumbar part thereof, a pretensioner mechanism (24) that is actuated to remove slack in the seatbelt (12), a force limiter mechanism (26) for limiting a restraint load applied to the occupant by the seatbelt (12), an air belt device (44) that supplies an air belt (45) with gas to inflate/deploy the air belt (45) between the occupant (P) and an instrument panel, and a occupant protection ECU (55) that actuates the air belt device (44) such that the air belt (45) starts being supplied with gas upon or after start of actuation of the force limiter mechanism (26) following actuation of the pretensioner mechanism (24) in the event of a head-on collision of a vehicle.
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Citations
15 Claims
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1. An occupant protection apparatus comprising:
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a seatbelt including a region fitted to an occupant from a shoulder part thereof to a lumbar part thereof to restrain the occupant; a slack removal device that is actuated to remove slack in the seatbelt; a load limitation device that is actuated in response to a head-on collision of a vehicle to limit a restraint load applied to the occupant by the seatbelt; an inflation body deployment device that supplies an inflation body with a fluid to inflate/deploy the inflation body between the occupant and a vehicle interior member located in front of the occupant with respect to the vehicle; and a control device that actuates the slack removal device and actuates the inflation body deployment device such that the inflation body starts being supplied with the fluid upon or after start of actuation of the load limitation device following actuation of the slack removal device in an event of a head-on collision of the vehicle. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A control method for an occupant protection apparatus having
a seatbelt including a region fitted to an occupant from a shoulder part thereof to a lumbar part thereof to restrain the occupant, a slack removal device that is actuated to remove slack in the seatbelt, a load limitation device that is actuated in response to a head-on collision of a vehicle to limit a restraint load applied to the occupant by the seatbelt, and an inflation body deployment device that supplies an inflation body with a fluid to inflate/deploy the inflation body between the occupant and a vehicle interior member located in front of the occupant with respect to the vehicle, the control method comprising: actuating the slack removal device and actuating the inflation body deployment device such that the inflation body starts being supplied with the fluid upon or after start of actuation of the load limitation device following actuation of the slack removal device in an event of a head- on collision of the vehicle.
Specification