Vehicle airbelt apparatus
AssigneesToyota Jidosha Kabushiki Kaisha, Takata Corporation
InventorsAtsushi Hiroshige, Yoji Suyama
Life of this patent
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Abstract
An inflatable member is restricted to expand outwardly in the vehicle width direction and allowed to expand upwardly to a position facing a side of an occupant's head when a lateral collision occurs. A belt guide mounted on the shoulder portion of a seat back guides a restraint webbing, including an inflatable member that is provided for supporting the head of a vehicle occupant when inflated, and allows a guide hole to be vertically enlarged by being projected upwardly in the vehicle vertical direction when the inflatable member is inflated. The inflatable member is thereby expanded so as to form a vertically extended shape regulated by the guide hole and disposed to an upward position facing the side of the occupant's head when a lateral collision occurs.
Claims10
A vehicle airbelt apparatus comprising:
- an occupant restraint webbing to support a chest of an occupant seated in a vehicle seat;
- an inflatable member to support a head of the occupant when inflated, the inflatable member being included in the occupant restraint webbing;
- an inflator to supply inflation gas to the inflatable member;
- a lateral-collision sensor for detecting or predicting a lateral collision;
- a control device to activate the inflator according to an output signal from the lateral-collision sensor;
- and
- a belt guide mounted on a shoulder portion of a seat back of the vehicle seat, the belt guide constituting a guide hole to guide the occupant restraint webbing, the guide hole being increased in size in a vehicle vertical direction due to the belt guide being projected a predetermined length by inflating force during inflation of the inflatable member.
A belt guide for an airbelt, the belt guide mounted to a shoulder portion of a vehicle seat back, comprising:
- a guide hole;
- and
- first and second leg members, the leg members being substantially parallel to each other in a vehicle width direction, with a space between the first leg member and the second leg member, and
- wherein the belt guide is projected a predetermined length due to inflation of the airbelt, and wherein the guide hole is increased in size in a vehicle vertical direction when the belt is being projected.
Dependencies are inferred from the claim text.