# US 10,501,040 B2 · Occupant protection apparatus for vehicle

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- Number: US 10,501,040 B2
- Document ID: US10501040B2
- Status: Granted
- Kind: B2
- Application number: 16/241,827
- Filed: 2019-01-07
- Published: 2019-05-09
- Granted: 2019-12-10
- Earliest claimed: 2016-03-31
- Assignees: Subaru Corporation
- Applicants: Subaru Corporation
- Inventors: Takao Kondo; Isamu Nagasawa
- Web page: https://patentgrep.com/patent/US10501040B2

## CPC

- B60R 21/18: the inflatable member formed as a belt or harness or combined with a belt or harness arrangement
- B60R 21/013: including means for detecting collisions, impending collisions or roll-over
- B60R 21/0132: responsive to vehicle motion parameters {, e.g. to vehicle longitudinal or transversal deceleration or speed value}
- B60R 21/0134: responsive to imminent contact with an obstacle {, e.g. using radar systems}
- B60R 21/01548: {sensing the amount of belt winded on retractor}
- B60R 21/0155: {sensing belt tension}
- B60R 21/01554: {Seat position sensors}
- B60R 21/262: Elongated tubular diffusers, e.g. curtain-type
- B60R 22/14: incorporating enlarged restraint areas, e.g. vests, nets {, crash pads, optionally for children (crash pads for occupants' safety on vehicles in general B60R21/02)}
- B60R 2021/01013: {Means for detecting collision, impending collision or roll-over}
- B60R 2021/01311: {monitoring the braking system, e.g. ABS}
- B60R 2021/01317: {monitoring seat belt tensiont}
- B60R 2021/01327: {Angular velocity or angular acceleration}
- B60R 2300/105: using multiple cameras
- B60R 2300/301: combining image information with other obstacle sensor information, e.g. using RADAR/LIDAR/SONAR sensors for estimating risk of collision
- B60R: VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR

## Abstract

An occupant protection device for a vehicle includes: a three-point seatbelt device having a seatbelt extendable across a front of an upper body of an occupant sitting on a seat; and a belt airbag device including a belt airbag that is provided at a shoulder belt section, which is extendable from a shoulder to a waist of the occupant, of the seatbelt the belt airbag being configured to be deployed when a collision occurs. The belt airbag includes a belt-direction deployment section extendable and deployable along the shoulder belt section, and an intersecting-direction deployment section extendable and deployable in a direction intersecting the shoulder belt section. The belt-direction deployment section and the intersecting-direction deployment section are configured to form a single bag by being coupled to each other below a head of the occupant sitting on the seat.

## Claims

### Claim 1

An occupant protection device for a vehicle, the occupant protection device comprising:
a seat on which an occupant to board the vehicle is to sit;
a three-point seatbelt device including a seatbelt extendable across a front of an upper body of the occupant sitting on the seat; and
a belt airbag device comprising a belt airbag that is provided at a shoulder belt section, which is extendable from a shoulder to a waist of the occupant, of the seatbelt, the belt airbag being configured to be deployed when a collision occurs,
wherein the belt airbag comprises:
a belt-direction deployment section extendable and deployable along the shoulder belt section; and
an intersecting-direction deployment section extendable and deployable in a direction intersecting the shoulder belt section,
wherein the belt-direction deployment section and the intersecting-direction deployment section are configured to form a single bag by being coupled to each other below a head of the occupant sitting on the seat,
wherein the belt-direction deployment section is longer than the intersecting-direction deployment section when the belt-direction deployment section extends along the shoulder belt section, and
wherein a filler that fills a space between the belt-direction deployment section and the intersecting-direction deployment section is formed above an area where the belt-direction deployment section and the intersecting-direction deployment section are coupled to each other.

### Claim 2

An occupant protection device for a vehicle, the occupant protection device comprising:
a seat on which an occupant to board the vehicle is to sit;
a three-point seatbelt device including a seatbelt extendable across a front of an upper body of the occupant sitting on the seat; and
a belt airbag device comprising a belt airbag that is provided at a shoulder belt section, which is extendable from a shoulder to a waist of the occupant, of the seatbelt, the belt airbag being configured to be deployed when a collision occurs,
wherein the belt airbag comprises:
a belt-direction deployment section extendable and deployable along the shoulder belt section; and
an intersecting-direction deployment section extendable and deployable in a direction intersecting the shoulder belt section,
wherein the belt-direction deployment section and the intersecting-direction deployment section are configured to form a single bag by being coupled to each other below a head of the occupant sitting on the seat,
wherein the belt-direction deployment section is longer than the intersecting-direction deployment section when the belt-direction deployment section extends along the shoulder belt section,
wherein the belt-direction deployment section and the intersecting-direction deployment section form a substantially X-shape by being coupled to each other at centers thereof, and
wherein a filler that fills a space between the belt-direction deployment section and the intersecting-direction deployment section is formed above an area where the belt-direction deployment section and the intersecting-direction deployment section are coupled to each other.

### Claim 3

An occupant protection device for a vehicle, the occupant protection device comprising:
a seat on which an occupant to board the vehicle is to sit;
a three-point seatbelt device including a seatbelt extendable across a front of an upper body of the occupant sitting on the seat; and
a belt airbag device comprising a belt airbag that is provided at a shoulder belt section, which is extendable from a shoulder to a waist of the occupant, of the seatbelt, the belt airbag being configured to be deployed when a collision occurs,
wherein the belt airbag comprises:
a belt-direction deployment section extendable and deployable along the shoulder belt section; and
an intersecting-direction deployment section extendable and deployable in a direction intersecting the shoulder belt section,
wherein the belt-direction deployment section and the intersecting-direction deployment section are configured to form a single bag by being coupled to each other below a head of the occupant sitting on the seat,
wherein the belt-direction deployment section is longer than the intersecting-direction deployment section when the belt-direction deployment section extends along the shoulder belt section, and
wherein the belt-direction deployment section and the intersecting-direction deployment section form a substantially X-shape by being coupled to each other at centers thereof.

### Claim 4 (depends on 3)

The occupant protection device for a vehicle according to claim 3, wherein a filler that fills a space between the belt-direction deployment section and the intersecting-direction deployment section is formed above an area where the belt-direction deployment section and the intersecting-direction deployment section are coupled to each other.