Vehicle occupant restraint device
A vehicle occupant restraint device includes a seat belt, a belt support airbag, and a belt covering member. The seat belt restrains the occupant seated on a seat cushion of a vehicle seat to the vehicle seat. The belt support airbag is provided in a folded state in a lap belt or a shoulder belt of the seat belt and is inflated and deployed by gas supplied in an event of a frontal collision of a vehicle. The belt covering member covers at least a predetermined region of the lap belt on a belt anchor side and urges the lap belt downward when the seat belt is released.
1 . A vehicle occupant restraint device comprising:
a seat belt configured to restrain an occupant seated on a seat cushion of a vehicle seat to the vehicle seat;
a belt support airbag provided in a folded state in a lap belt or a shoulder belt of the seat belt and configured to be inflated and deployed by gas supplied in an event of a frontal collision of a vehicle; and
a belt covering member configured to cover at least a predetermined region of the lap belt on a belt anchor side and to urge the lap belt downward when the seat belt is released,
wherein the belt covering member is a resin plate having a substantially “C”-shaped cross section and extending along the seat belt;
wherein the belt covering member includes a lower half portion on the belt anchor side and an upper half portion on a side opposite to the belt anchor side; and
wherein the lower half portion and the upper half portion are rotatably connected by a support shaft.
2 . The vehicle occupant restraint device according to claim 1 , wherein the belt covering member is easily bent inward in a vehicle width direction and is difficult to be bent outward in the vehicle width direction.
3 . The vehicle occupant restraint device according to claim 1 , wherein the belt covering member is configured to urge the lap belt downward by a shaft portion spring member provided on a shaft portion of a belt anchor for the seat belt.
4 . The vehicle occupant restraint device according to claim 1 , wherein the upper half portion is urged to rotate toward the lower half portion by a support shaft spring member provided on the support shaft.
5 . The vehicle occupant restraint device according to claim 1 , wherein the vehicle seat includes a fixed armrest.