Autoliv Development Ab

Ryota Ishigaki

Yutaka Nakajima

Takanari Muroya

Masaru Habu

Yuka Miura

Takashi Murayama

Makoto Fuma

Yutaka Hirota

Yoshiki Ito

Sho Murakami

Christopher Banatin

Ryo Takebayashi

Tomoya Kato

Problem To provide a revolutionary airbag device that can protect an occupant's head from one side, to the front, to the other side. Resolution Means The present invention is an airbag device stored in a vehicle seat, the airbag device including: an inflator for generating expansion gas; and an airbag for deploying from near an upper end of the vehicle seat to protect the periphery of the head of an occupant. Furthermore, the airbag includes: a first chamber for protecting one side of an occupant; a second chamber connected to the first chamber and for protecting the front of the occupant's head; a third chamber connected to the second chamber and for deploying from the front of the occupant's head across to the other side of the occupant; and a fourth chamber connected to the third chamber and for deploying at the other side of the occupant.

Airbag device

An airbag device comprises: an airbag including a head-protecting cushion that protects the head of an occupant by being deployed from an upper portion on the left or right side of a vehicle seat; and an inflator that supplies an inflation gas to the airbag. The head-protecting cushion comprises: a first chamber that protects an area near one side of the head of the occupant; a second chamber connected to the first chamber and which protects the front of the head of the occupant; a third chamber connected to the second chamber and which is deployed to span from the front of the head of the occupant to the other side of the head of the occupant; and a fourth chamber connected to the third chamber and which is deployed in an area near the other side of the head of the occupant.

To provide a motorcycle airbag device that contributes to the stabilization of the deployment behavior and the deployment posture of the airbag. An airbag device mounted on a motorcycle having a gas generator that generates an expansion gas, where the airbag is expanded by the expansion gas, and by deploying in front of the occupant, restrains forward movement of the occupant. Furthermore, the airbag has a stepped portion that protrudes forward when deployed and is supported by a structural portion around the top of the handlebars of the motorcycle.

Motorcycle airbag device

A driver seat airbag device includes an airbag cushion installed at a center portionof a steering wheel of a vehicle which is configured to expand and deploy toward an occupant in a driver seat; and an inflator that supplies gas to the airbag cushion. The airbag cushion includes a steering side panel provided on the steering wheel side and an occupant side panel joined to the occupant side of the steering side panel. The shape of the expanded and deployed airbag cushion is such that the portion, which is the largest area of the cross section orthogonal to the axis of rotation of the steering wheel, is formed further toward the front side of the vehicle than the center portion between the frontmost portion of the steering side panel and the rearmost portion of the occupant side panel.

Driverseat airbag device

An occupant protecting device provided inside or below a seat cushion of a vehicle seat, comprising an airbag cushion capable of expanding and deploying a seat surface of the seat cushion; and an inflator. The airbag cushion includes a lower panel, an upper panel longer than the lower panel in the front-rear direction of the vehicle seat, and mutually opposing side panels joined to the lower panel and the upper panel. The airbag cushion has a first mounting point attached to the vehicle seat side and a second mounting point attached to the vehicle seat side on the rear side of the first mounting point in the front-rear direction of the vehicle seat. The lower panel and the upper panel are mutually joined to a first mounting point and a second mounting point.

Occupant protection device

An occupant protection device capable of suppressing the occurrence of submarining and ensuring initial waist restraint performance. An occupant protection device provided inside or below a seat cushion of a vehicle seat, provided with:

A knee airbag device according to the present invention includes: an airbag that restrains a lower extremity of an occupant by expanding and deploying below an instrument panel of a vehicle; and an inflator that supplies expansion gas to the airbag. The airbag includes, when the inside of the vehicle is a first side and the outside of the vehicle is a second side, a first portion positioned on the first side and a second portion positioned on the second side. Furthermore, the first portion of the airbag protrudes more toward the occupant side than the second portion.

Knee airbag device

An occupant protecting device provided inside or below a seat cushion of a vehicle seat, including an airbag cushion, an inflator, and a cover that covers at least a portion of the airbag cushion and is capable of being cleaved opened by the expansion and deployment of the airbag cushion. The airbag cushion has front and rear attaching points attached to the vehicle seat side as well as an expanding and deploying part that at least expands and deploys between the front and rear attaching points. The cover has a weak portion that serves as a starting point when cleaved open by expansion and deployment of the airbag cushion and is arranged on a rearward side. The cover covers the front attaching points side of the expanding and deploying part and is attached to the vehicle seat on the front attaching points side.

An occupant protecting device provided inside or below a seat cushion of a vehicle seat, containing: an airbag cushion capable of expanding and deploying to push up a seat surface of the seat cushion; and an inflator that supplies gas for expansion and deployment into the airbag cushion in the event of a vehicle emergency. The airbag cushion has front attaching points and rear attaching points attached to the vehicle seat side, and an expanding and deploying part that is expanded and deployed by the gas from the inflator. At least a portion of the expanding and deploying part overlaps itself in an up-down direction by folding between front attaching points and rear attaching points in a condition prior to expanding and deploying.

A curtain airbag attached to a vehicle body and expanded and deployed by a gas from an inflator containing: a first region along a lower edge; a second region adjacent above the first region with a first fold line; a third region adjacent above the second region with a second fold line formed on an opposite side of the first fold line across the second region. The first region is in a condition folded back at the first fold line to face a first surface side of the second region, the second region is in a condition folded back at the second fold line such that the folded back first region is between the second region and the third region, the third region is in a condition rolled upward on a second surface side. Rolling starts from the second fold line.

Curtain airbag and manufacturing method therefor

An airbag that includes an inner bag having a facing surface configured to face a passenger of a vehicle in the deployed state, an outer bag that surrounds the outer periphery of the inner bag with the facing surface exposed, and two protrusion parts which are provided in the outer bag and are respectively disposed on the left and right sides in the width direction of the vehicle with respect to the facing surface so as to protrude rearward. The inner bag and the outer bag may be partitioned by a common partition wall, with a ventilation port formed in the partition wall. Moreover, the inner bag and the outer bag may each be independent bag bodies, a ventilation port may be formed in both the inner bag and the outer bag, and the inner bag and the outer bag may be coupled around the ventilation port.

Airbag

An airbag apparatus with a cushion that expands and deploys from in front of a seat is provided. The cushion includes a front restraining part that restrains a head of a passenger from the front of a vehicle. The cushion further includes protrusion parts that are provided beside the front restraining part in the width direction of the vehicle and protrude and expand further towards the rear of the vehicle than the front restraining part. Inner tethers inside the cushion are connected to the front restraining part and to which tension is applied to pull the front restraining part towards the front of the vehicle. Outer tethers are connected to the protrusion parts and to which tension is applied to pull the protrusion parts towards the front of the vehicle. When tension is applied to the inner tethers, force towards the inner tethers is applied to the outer tethers.

Airbag apparatus with protrusion parts

[Issue] An objective of providing an airbag device enabling efficiently suppressing injury of the occupant during an emergency. [Resolution Means] A representative structure of the airbag deviceaccording to the present invention includes an inflatorthat is installed on a vehicle and is able to supply gas, an airbag cushionthat expands and deploys in front of the seating position of the vehicle occupant based on the gas, and at least one internal tetherwith a first endconnected to the seating position side inside the airbag cushionand a second endconnected to the vehicle front side inside the airbag cushion. The airbag cushionis characterized by a recessed concave partformed through pulling of the internal tetheron the center of the seating position side.

A cushion of an airbag device includes an inner inflating section convexly inflating toward the rear of a vehicle and restraining the head of an occupant from the front of the vehicle, protrusions provided to the sides of the inner inflating section in a vehicle width direction and capable of inflating so as to protrude further toward the rear of the vehicle than the inner inflating section, and outer inflating sections provided between the inner inflating section and the protrusions and temporarily convexly inflating toward the rear of the vehicle within a smaller range than the expansion range of the inner inflating section and the protrusions. The outer inflating sections are squashed by the inner inflating section and the protrusions and, as a result, the protrusions are in a posture of being pulled toward a side of the inner inflating section.

An airbag deviceincludes: an inflatorthat is provided in a vehicle and capable of supplying gas; and an outer bagthat inflates, by using the gas, in a prescribed shape in front of an occupantsitting in a seatof the vehicle. The outer bagincludes an outside base fabricforming an outer surface thereof, an opening partprovided in a prescribed area of the outside base fabric, and an inside base fabricforming an inner peripheral surface thereof recessed in a concave shape from the opening partand inflating so as to protrude partially from the opening partto a side of the seat. In the airbag device, the inside base fabrichas lower tension than the outside base fabricand restrains the occupant

Growing community of inventors

Kanagawa, Japan

Ryota Ishigaki