A vehicular seat belt device (10; 60) includes a first pretensioner (22) provided in a retractor (21) and configured to apply tensile force to a shoulder belt portion (20A) of a webbing (20), a second pretensioner (24) provided in a belt anchor part (23) and configured to apply tensile force to a lap belt portion (20B) of the webbing (20), a third pretensioner (30) provided in a side portion of the vehicle seat (12) opposite to the belt anchor part (23) and configured to apply tensile force to the lap belt portion (20B) via a buckle (26), and a controller (48). The controller (48) is configured to activate the first pretensioner (22) at a time of predicting vehicle collision, and activate the second pretensioner (24) and the third pretensioner (30) after detection of collision.
VEHICULAR SEAT BELT DEVICE
FAHRZEUGSICHERHEITSGURTVORRICHTUNG
DISPOSITIF DE CEINTURE DE SÉCURITÉ DE VÉHICULE
2021-04-28
Patent
Electronic Resource
English
IPC: | B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR |