US 11,613,225 B2 · Airbag device

Abstract

An airbag device is adapted to be installed in a vehicle for protecting an occupant. The airbag device includes a bag-like cushion that inflates and deploys in front of a seat and is adapted to restrain the occupant. In an inflated condition, the airbag cushion includes a main inflating section inflating toward the rear of the vehicle, a pair of lobes protruding toward the rear of the vehicle on both sides of the main inflating section in a vehicle width direction, a pair of secondary inflating sections being provided respectively between the main inflating section and each of the lobes in the vehicle width direction and inflating toward the rear of the vehicle, and a pair of tethers are symmetrically attached and tensioned inside the cushion for preventing the protruded lobes from swinging around the main inflating section of the cushion.

Claims17

Dependent claims

An airbag device being adapted to be installed in a vehicle for protecting an occupant, including an airbag cushion that inflates and deploys in front of a seat, and being adapted to restrain the occupant, the airbag cushion comprising in an inflated condition:

a main inflating section inflating toward the rear of the vehicle;
a pair of lobes protruding toward the rear of the vehicle on both sides of the main inflating section in a vehicle width direction;
a pair of secondary inflating sections being provided respectively between the main inflating section and each of the lobes in the vehicle width direction and inflating toward the rear of the vehicle;
and
a pair of tethers each having a first end directly attached to an inner side surface of the airbag cushion in the vehicle width direction and a second end attached to an inner surface of the secondary inflating section, and being adapted to inhibit the protruded lobes from swinging around the main inflating section,
wherein each of the pair of tethers is formed with a single fabric piece, which is folded such that the folded tether is provided with an inner layer and an outer layer.

3 more elements

a main inflating section inflating toward the rear of the vehicle;
a pair of lobes protruding toward the rear of the vehicle on both sides of the main inflating section in a vehicle width direction;
a pair of secondary inflating sections being provided respectively between the main inflating section and each of the lobes in the vehicle width direction and inflating toward the rear of the vehicle;
and
a pair of tethers each having a first end attached to a side surface inside the airbag cushion in the vehicle width direction and a second end attached to an inner surface of the secondary inflating section, and being adapted to inhibit the protruded lobes from swinging around the main inflating section,
wherein each of the pair of tethers is formed with a single fabric piece, which is folded such that the folded tether has a folded side and an open side.

3 more elements

Dependencies are inferred from the claim text.

Airbag device

Life of this patent

Airbag device

Life of this patent

Abstract

Claims17