JPH10138857A - Occupant protection device for automobile - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent an excessive force from acting on an interior material for a front pillar in developing an air bag body. SOLUTION: An inflator 16 is arranged in a roof side rail 24 which is arranged along the longitudinal direction of a vehicle in the top end of the cabin side of the vehicle 10, and when a sensor 19 which is arranged on the bottom of a center pillar 18 and detects a side colliding state detects a prescribed acceleration or more, the inflator 16 is so set as to operate. An air bag body 20 is connected to the inflator 16 so that gas jetted from the inflator 16 flows into the air bag body 20 from the rear side of the air bag body 20.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an occupant protection system for a motor vehicle, and more particularly to a front and rear end of a curtain-shaped airbag bag which is stored over a front pillar and a roof side rail. The present invention relates to an occupant protection device for an automobile, which is fixed to the rear of the vehicle and which operates an inflator disposed on the side of the vehicle compartment to inflate and deploy the airbag bag.

[0002]

2. Description of the Related Art Conventionally, in order to improve the protection performance of an occupant's head in the event of a side collision, an inflator disposed in a front pillar is operated to extend the front pillar and a roof side rail with an interior material. An occupant protection device for inflating a curtain-shaped airbag stored between a vehicle and a body panel has already been proposed. Hereinafter, a configuration disclosed in Japanese Patent Application Laid-Open No. 6-227340, which discloses this type of occupant protection device, will be described.

As shown in FIG. 14, an occupant protection system 170 for an automobile has a sensor 172 for detecting a side collision state.
An inflator 174 that operates by detecting a side collision state to eject gas, and a roof side rail 178 from an upper end of a front pillar 176.
And an elongated airbag body 182 stored alongside and in a folded state in the trim 180 as a main component. The airbag bag 18
2 is connected to the upper end of the inflator 174 and the rear end 182B of the airbag 182.
Are located in front of the center pillar 184.

According to the above configuration, when the sensor 172 detects that a side collision has occurred, the inflator 17
4 operates to eject gas. For this reason, the jet gas is supplied into the airbag bag 182,
At an inflation pressure of 2, the trim 180 is deployed. As a result, the curtain-inflated airbag bag 182 is interposed between the head of the occupant and the side of the passenger compartment.

[0005]

However, in the vehicle occupant protection device 170, the inflator 174 is provided.
Are arranged in the front pillar 176, so that an excessive force acts on the trim 180 as an interior material via the airbag 182 by the high-pressure gas ejected from the inflator 174 when the airbag is deployed. Accordingly, the trim 180 which has been torn to deploy the airbag bag body.
A scatter prevention member is required to prevent the splatter from scattering into the vehicle interior.

In view of the above, an object of the present invention is to provide a vehicle occupant protection device in which excessive force does not act on the interior material of the front pillar when the airbag bag is deployed.

[0007]

According to the first aspect of the present invention, both front and rear ends of a curtain-shaped airbag body which is stored straddling a front pillar and a roof side rail are located forward of a vehicle compartment side. An occupant protection device for an automobile, which is fixed to a rear side and protects an occupant's head by operating an inflator to inflate and deploy the airbag bag, wherein the inflator is mounted on a roof side rail behind the airbag bag. It is characterized by being arranged in the department.

[0008] Therefore, when the airbag bag is deployed, the gas ejected from the inflator provided on the roof side rail portion flows into the airbag bag body from behind. For this reason, the gas pressure is low in the front pillar portion, and it is possible to prevent the interior material of the split front pillar from scattering into the vehicle interior due to the gas pressure in order to deploy the airbag bag. Since the roof side rail portion extends linearly compared to the front pillar portion, an excessive force does not act on the interior material of the split roof side rail portion due to gas pressure. In addition, when the airbag bag is deployed, the gas inflated from the inflator located on the roof side rails inflates and deploys the airbag from the rear, so the portion of the airbag that is close to the occupant's head is quickly deployed and inflated. Can be done.

According to a second aspect of the present invention, in the vehicle occupant protection device according to the first aspect, the inflator is disposed in a closed cross section of the roof side rail.

[0010] Therefore, by disposing the inflator, the space in the vehicle compartment is not narrowed.

According to a third aspect of the present invention, in the vehicle occupant protection system according to the second aspect, an inflator mounting opening formed in the inner panel of the roof side rail, and the inflator is mounted on the inner panel. And an inflator mounting member for closing the inflator mounting opening.

Accordingly, it is possible to prevent a decrease in the strength and rigidity of the roof side rail while minimizing an increase in weight due to the mounting of the inflator.

According to a fourth aspect of the present invention, in the vehicle occupant protection device according to the third aspect, a fixing portion formed on the inflator mounting member and protruding from a general surface of the inner panel toward the vehicle interior, and And a fixing means for fixing the portion and the inner panel.

Therefore, the inflator can be easily attached and detached by operating the fixing means from the inside of the vehicle compartment, so that the inflator is excellent in repairability and recoverability.

According to a fifth aspect of the present invention, the front and rear ends of a curtain-shaped airbag body stored over the front pillar and the roof side rail are fixed to the front and rear sides of the cabin. An occupant protection device for an automobile for protecting an occupant's head by operating an inflator to inflate and deploy the airbag bag, wherein the inflator is disposed in a quarter pillar.

Therefore, the gas ejected from the inflator when the airbag body is deployed flows into the airbag body from behind. For this reason, the gas pressure is low in the front pillar portion, and it is possible to prevent the interior material of the split front pillar from scattering into the vehicle interior due to the gas pressure in order to deploy the airbag bag. Further, the deployment area of the airbag body can be expanded to the lower rear side of the vehicle.

According to a sixth aspect of the present invention, the front and rear ends of a curtain-shaped airbag body which is stored straddling the front pillar and the roof side rail are fixed to the front and rear sides of the cabin side, An occupant protection device for an automobile, which protects an occupant's head by operating an inflator to inflate and deploy the airbag bag, wherein the inflator is disposed at two locations, front and rear of the airbag bag. It is characterized by:

Therefore, when the airbag bag is deployed, the gas is sent into the airbag body from the inflators disposed at the front and rear of the airbag body, so that the gas is sent into the airbag body as compared with the case where only the front inflator is used. The gas pressure of the front inflator can be set low. As a result, in order to deploy the airbag bag, it is possible to prevent the interior material of the split front pillar from scattering into the vehicle interior due to gas pressure. Further, gas is fed into the airbag body from the inflators disposed at the front and rear two places of the airbag body, so that the airbag body deploys smoothly in a short time. In addition, each inflator can be downsized, which is advantageous in mounting.

[0019]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of a vehicle occupant protection system according to the present invention will be described with reference to FIGS.

In each of the drawings, an arrow FR is shown in front of the vehicle.
, The upper part of the vehicle is indicated by an arrow UP, and the inner side in the vehicle width direction is indicated by an arrow IN.

As shown in FIG. 2, in the vehicle occupant protection device according to the first embodiment of the present invention, a roof side rail 24 is provided at the upper end of the vehicle compartment side of the vehicle 10 along the vehicle front-rear direction. An inflator 16 is provided, and when a sensor 19 for detecting a side collision state provided below the center pillar (B-pillar) 18 detects an acceleration equal to or more than a predetermined value, the inflator 16 operates. It has become. The inflator 16 has an airbag bag 20.
Is connected, so that gas ejected from the inflator 16 flows into the airbag bag body 20.

The airbag bag 20 is stored in a folded state over a front pillar (A pillar) 22 and a roof side rail 24. Airbag bag 20
The front fixed point 20A is set near the front end 22A of the front pillar adjacent to the instrument panel 14. Also, the rear fixing point 20B of the airbag bag 20
Is disposed behind a center pillar (B pillar) 18 and is connected to the inflator 16 via a connection pipe 21.

As shown in FIG. 1, the air bag 20
A front pillar mounting portion 20C at the front upper end is fixed to a vehicle side of the front pillar 22 by a fixing member 23 such as a bolt, and a roof side rail mounting portion 20D at the rear upper end is fixed to the vehicle side of the roof side rail 24. It is fixed to the side by a fixing member 23 such as a bolt. Each fixing member 23 is inserted into a mounting hole formed at a predetermined interval between the front pillar mounting portion 20C and the roof side rail mounting portion 20D of the airbag body 20.

The airbag bag 2 in the deployed state
0 is the front fixed point 20A and the rear fixed point 20A in the middle part.
It has a plurality of non-expandable portions 30, 32, 34, 36 that cross the tension line 28 connecting B.

As shown in FIG. 3, the air bag 20
The portions between the non-expandable portions 30, 32, 34, 36 are expanded portions 31, 33, 35. The rear of the non-inflated portion 36 of the airbag body 20 is an inflated portion 37, and the front of the non-inflated portion 31 of the airbag body 20 is an inflated portion 39.

As shown in FIG. 4, the non-expandable portions 30, 3
The upper and lower sides of 2, 34 and 36 are spaces 3 along the vehicle longitudinal direction.
8, 40, and the gas from the inflator 16 passes through these spaces 38, 40 so that the inflated portions 35, 33, 3,
1, 39.

As shown in FIG. 1, the air bag 20
Is wrapped around the center pillar 18, and when the airbag body 20 receives a load outward in the vehicle width direction, the inflatable portion 35 between the non-inflatable portion 34 and the non- The center pillar 18 comes into contact with the center pillar 18 and receives the reaction force of the airbag bag body 20.

When the airbag body 20 is sewn (in a state where the airbag body 20 is not inflated), the non-inflation portion 34 adjacent to the center pillar 18 with the inflation portion 35 interposed therebetween. , 36, the non-expandable portions 30 adjacent to each other with the expanded portions 31 and 33 of the other general portions interposed therebetween.
Between the non-expandable portion 32 and the non-expandable portion 32 and the non-expandable portion 34
As a result, as shown in FIG. 3, the thickness T1 of the inflated portion 35 of the airbag body 20 at the time of deployment and inflation is equal to the thickness of the general portions such as the inflated portions 31 and 33. It becomes thicker than T2.

As shown in FIGS. 5 and 6, the airbag body 20 is stored in a folded state in a case 50, which straddles the front pillar 22 and the roof side rail 24. Has been extended. When the airbag body 20 is deployed, the case 50 is broken by the deployment inflation force of the airbag body 20 so that the lower end 50A on the outer side in the vehicle width direction is broken and the lid part 50B is located on the vehicle interior side relative to the base part 50C. To open.

At this time, as shown in FIG.
0B pushes the gap closed by the weather strip 55 between the front pillar garnish 51 and the front pillar inner panel 53 as the interior material formed below the lid portion 50B, and enters the vehicle interior from the pushed gap. It is designed to expand. The upper end of the lid part 50B and the upper end of the base part 50C are connected to the airbag body 20.
At the same time, it is fixed to the vehicle pillar side of the front pillar inner panel 53 by fixing members such as bolts 47 and nuts 49.

Further, as shown in FIG.
B pushes and widens the gap closed by the weather strip 56 between the roof head lining 52 as the interior material formed below the lid portion 50B and the roof side inner panel 54, and enters the vehicle cabin from the widened gap. It is designed to expand. The upper end of the lid 50B and the upper end of the base 50C are fixed together with the airbag bag body 20 to the vehicle interior side of the roof side inner panel 54 by fixing members such as bolts 47 and nuts 49.

Reference numeral 61 shown in FIG. 5 denotes a front pillar outer panel, reference numeral 63 denotes a front pillar reinforcement, reference numeral 60 denotes a roof panel, reference numeral 62 denotes a roof side member, and reference numeral 64 denotes a roof side rail outer. Reinforcement.

As shown in FIG. 7, the inflator 16 has a closed cross section 7 formed by a roof side inner panel 54 and a roof side rail outer reinforcement 64.
It is fixed in 0 via a bracket not shown. The roof side inner panel 54 is provided with a through hole 54A, and the connecting pipe 21 passes through the through hole 54A.

Next, the operation of the first embodiment of the present invention will be described. In the occupant protection system for a vehicle according to the first embodiment of the present invention, when the inflator 16 operates at the time of a side collision, gas is ejected from the inflator 16, gas is fed into the airbag bag 20, and the airbag bag 20 is deployed. Swell.
At this time, the lid portion 50B of the case 50 is opened by the deployment and inflation force of the airbag bag body 20, and the weather strip 56 is opened.
The gap between the roof head lining 52 and the roof side inner panel 54 closed by the gap and the gap between the front pillar garnish 51 and the front pillar inner panel 53 closed by the weather strip 55 are expanded. The airbag body 20 is deployed.

At this time, the gas ejected from the inflator 16 is quickly supplied to upper and lower spaces 38 and 40 of a space forming a frame around the inside of the airbag body 20. The inflatable portions 35, 33, 3 between the plurality of non-inflatable portions 36, 34, 32, 30 pass through the upper and lower spaces 38, 40.
1 and the inflatable portion 39 in front of the non-inflatable portion 30 are also quickly supplied. Furthermore, since the gas ejected from the inflator 16 flows into the lower space 40 in the airbag bag body 20,
Due to this gas pressure, the stored airbag bags 20 are quickly pulled down sequentially from the rear. Therefore, the airbag body 20 can be deployed to the side of the head 66A of the occupant 66 in a short time. Further, a plurality of inflatable portions 31, 3 crossing a tension line 28 connecting the front fixed point 20 </ b> A and the rear fixed point 20 </ b> B of the airbag body 20.
When 3, 35, 37, and 39 expand, the front of the non-expandable portion 30, the rear of the non-expandable portion 36, and the adjacent non-expandable portion 30,
The distance between 32, 34, 36 is reduced, and a large tension acts on the tension line 28 along the tension line 28. As a result, the side of the head 66A of the occupant 66 can be reliably supported and protected.

Further, in the vehicle occupant protection device according to the first embodiment of the present invention, when the airbag bag is deployed, gas ejected from the inflator 16 disposed on the roof side rail 24 flows into the airbag bag from the rear. Therefore, the gas pressure is low in the front pillar 22, and the front pillar garnish 51, which has been split to spread the airbag body 20, can be prevented from scattering into the vehicle interior due to the gas pressure. The roof side rail 24
Is extended linearly as compared with the front pillar 22, so that an excessive force does not act on the split roof head lining 52 due to gas pressure.

Further, the gas injected from the inflator 16 disposed on the roof side rail 24 when the airbag bag is deployed expands and deploys the airbag bag 20 from behind. The portion near the portion 66A can be deployed and expanded quickly.

Further, since the inflator 16 is disposed within the closed cross section 70 of the roof side rail 24, the inflator 16 does not narrow the vehicle interior space.

Next, a second embodiment of the vehicle occupant protection system according to the present invention will be described with reference to FIGS.

The same members as those in the first embodiment are denoted by the same reference numerals, and description thereof is omitted.

As shown in FIGS. 8 and 9, in the vehicle occupant protection system according to the second embodiment of the present invention, a rectangular inflator mounting opening 72 is formed in the roof side inner panel 54.
The inflator mounting opening 72
Are closed by a bracket 74 as an inflator mounting member.

As shown in FIG. 8, the bracket 74
A lid 74A for closing the inflator mounting opening 72;
An inflator mounting portion 74B is provided on the upper portion of the lid portion 74A and extends inward in the vehicle width direction. The inflator 16 is fixed to the inflator mounting portion 74B by fixing members of weld bolts 76 and nuts 78. ing. The upper end edge of the bracket 74 is
The fixing portion 74C extends from the general surface 54B inside the roof side inner panel 54 in the vehicle width direction to the vehicle interior side. The fixing portion 74C of the bracket 74 is attached to the general surface 5 of the roof side inner panel 54.
4B, the fixing portion 74C of the bracket 74 is attached to the general surface 5 of the roof side inner panel 54.
A bolt 80 and a weld nut 8 as fixing means are provided on 4B.
Fixed at 2.

An outer edge of the lower part of the bracket 74 in the vehicle width direction is a fixing portion 74D.
It projects from the lower general surface 54C of the roof side inner panel 54 toward the vehicle interior. Also, the bracket 74
The fixing portion 74 </ b> D of the bracket 74 overlaps with the general surface 54 </ b> C of the roof side inner panel 54 on the vehicle interior side, and
The fixing portion 74D is fixed to the general surface 54C of the roof side inner panel 54 by a bolt 84 and a weld nut 88 as fixing means.

Therefore, in the vehicle occupant protection system according to the second embodiment of the present invention, the bracket 74 for mounting the inflator 16 to the roof side inner panel 54 closes the opening 72 for mounting the inflator. Therefore, a decrease in the strength and rigidity of the roof side rail 24 can be prevented while minimizing the weight increase due to the above.

The fixing portions 74C, 7 of the bracket 74
4D is a general surface 54B of the roof side inner panel 54,
54C, projecting toward the vehicle interior side,
C, 74D with bolts 80, 84 and weld nut 82,
At 88, the general surface 54B of the roof side inner panel 54,
54C, bolts 80, 8
Since the inflator 16 can be easily attached and detached by operating the device 4, it is excellent in repairability and recoverability.

Next, a third embodiment of the vehicle occupant protection system according to the present invention will be described with reference to FIGS.

The same members as those in the first embodiment are denoted by the same reference numerals, and description thereof will be omitted.

As shown in FIG. 10, in the occupant protection system for a vehicle according to the third embodiment of the present invention, the inflator 16 is disposed at the upper end 26A of the quarter pillar 26.

As shown in FIG. 11, the inflator 16
Is fixed in a closed section 94 formed by the quarter pillar inner panel 90 and the quarter pillar outer panel 92 via a bracket (not shown). FIG.
Reference numeral 96 denotes a quarter pillar garnish.

Therefore, in the vehicle occupant protection system according to the third embodiment of the present invention, the deployment area of the airbag body 20 can be further expanded to the lower rear side of the vehicle. In addition, as shown in FIG. 12, the inflator 16 may be provided at another portion of the quarter pillar 26 such as near the lower end 26B of the quarter pillar 26.

Next, a fourth embodiment of the vehicle occupant protection system according to the present invention will be described with reference to FIG.

The same members as those in the first embodiment are denoted by the same reference numerals, and description thereof will be omitted.

As shown in FIG. 13, in the occupant protection system for a vehicle according to the fourth embodiment of the present invention, an inflator 98 is also provided on the side of the instrument panel 14 located substantially in front of the driver's seat 12. . The inflator 98 is connected to a front fixing point 20A of the airbag body 20, so that when the airbag body is deployed, gas is also sent from the front side of the airbag body 20.

Therefore, in the vehicle occupant protection system according to the fourth embodiment of the present invention, when the airbag bag is deployed, the two inflators 98 and 16 disposed at the front and rear of the airbag bag 20 are used. Since the gas is fed into the airbag body 20, the airbag body 20 is deployed smoothly in a short time. In addition, each inflator 9
Since it is possible to reduce the size of 8 and 16, it is advantageous in mounting.

In the above, the present invention has been described in detail with respect to a specific embodiment. However, the present invention is not limited to such an embodiment, and various other embodiments are included within the scope of the present invention. It is clear to a person skilled in the art that is possible.

For example, in the vehicle occupant protection device according to each of the embodiments of the present invention, the airbag bag 20 is provided on the side of the passenger compartment on the driver's seat 12 side. It may be provided on the room side.

[0057]

According to the first aspect of the present invention, both front and rear ends of a curtain-shaped airbag bag which is stored straddling the front pillar and the roof side rail are fixed to the front and rear sides of the cabin. An occupant protection device for an automobile that protects an occupant's head by activating an inflator to inflate and deploy an airbag bag body, wherein the inflator is disposed on a roof side rail portion behind the airbag bag body. It has an excellent effect that no excessive force acts on the interior material of the front pillar when the airbag bag is deployed. Further, there is an excellent effect that a portion of the airbag body close to the occupant's head is quickly deployed and inflated.

According to a second aspect of the present invention, in the vehicle occupant protection device according to the first aspect, the inflator is disposed in a closed cross section of the roof side rail, so that the vehicle interior is further provided. It has an excellent effect that the space is not narrowed.

According to a third aspect of the present invention, in the vehicle occupant protection system according to the second aspect, an inflator mounting opening formed in an inner panel of a roof side rail;
3. An inflator mounting member for mounting the inflator to the inner panel and closing the inflator mounting opening, so that in addition to the effect of claim 2, the roof side rails while minimizing weight increase due to mounting of the inflator. Has an excellent effect of preventing a decrease in strength and rigidity.

According to a fourth aspect of the present invention, in the vehicle occupant protection device according to the third aspect, a fixed portion formed on the inflator mounting member and protruding from the general surface of the inner panel toward the vehicle interior, Since it has a fixing means for fixing the inner panel, the present invention has an excellent effect that repairability and recoverability are good in addition to the effect of the third aspect.

According to the fifth aspect of the present invention, the front and rear ends of a curtain-shaped airbag body which is stored astride the front pillar and the roof side rail are fixed to the front and rear sides of the cabin, A vehicle occupant protection device for protecting an occupant's head by actuating an inflator to inflate and deploy an airbag bag body, wherein an inflator is disposed in a quarter pillar, so that when the airbag bag body is deployed, the front pillar is closed. It has an excellent effect that no excessive force acts on the interior material. Further, there is an excellent effect that the deployment area of the airbag body can be expanded to the lower rear side of the vehicle.

According to a sixth aspect of the present invention, the front and rear ends of a curtain-shaped airbag body stored over the front pillar and the roof side rail are fixed to the front and rear sides of the cabin, An occupant protection device for an automobile that protects an occupant's head by operating an inflator to inflate and deploy an airbag bag body, wherein the inflator is disposed at two locations in front of and behind the airbag bag body. It has an excellent effect that no excessive force acts on the interior material of the front pillar when the bag bag is deployed. In addition, there is an excellent effect that the airbag bag is smoothly deployed in a short time. In addition, since the front and rear inflators can be miniaturized, there is an excellent effect that it is advantageous in mounting.

[Brief description of the drawings]

FIG. 1 is a schematic side view showing an airbag body deployed state in an occupant protection system for an automobile according to a first embodiment of the present invention.

FIG. 2 is a schematic side view showing a state in which the airbag body is stored in the vehicle occupant protection device according to the first embodiment of the present invention.

FIG. 3 is an enlarged sectional view taken along line 3-3 in FIG. 1;

FIG. 4 is a sectional view taken along line 4-4 in FIG. 3;

FIG. 5 is an enlarged sectional view taken along line 5-5 in FIG. 2;

FIG. 6 is an enlarged sectional view taken along line 6-6 in FIG. 2;

FIG. 7 is a perspective view showing a roof side rail of the occupant protection device for a vehicle according to the first embodiment of the present invention, as viewed from the front inside of the vehicle.

FIG. 8 is a cross-sectional view of a roof side rail of an occupant protection system for an automobile according to a second embodiment of the present invention, as viewed from the front of the vehicle.

FIG. 9 is a sectional view taken along line 9-9 in FIG. 8;

FIG. 10 is a schematic side view showing an airbag body deployed state in a vehicle occupant protection device according to a third embodiment of the present invention.

FIG. 11 is an enlarged sectional view taken along line 11-11 of FIG. 10;

FIG. 12 is a schematic side view showing an airbag body deployed state in an occupant protection system for a vehicle according to a modification of the third embodiment of the present invention.

FIG. 13 is a schematic side view showing an airbag body deployed state in a vehicle occupant protection device according to a fourth embodiment of the present invention.

FIG. 14 is a schematic side view showing a stored state of an airbag body in a vehicle occupant protection device according to a conventional embodiment.

[Explanation of symbols]

16 Inflator 20 Airbag bag 20A Front fixed point of airbag bag 20B Rear fixed point of airbag bag 21 Connecting pipe 22 Front pillar 24 Roof side rail 26 Quarter pillar 51 Front pillar garnish (interior material of front pillar) 54 Roof Side Inner Panel 54A Roof Side Inner Panel Through Hole 54B Roof Side Inner Panel General Surface 54C Roof Side Inner Panel General Surface 64 Roof Side Rail Outer Reinforcement 70 Closed Section 72 Inflator Mounting Opening 74 Bracket (Inflator Mounting Member) 74A lid 74B inflator mounting part 74C fixing part 74D fixing part 80 weld bolt (fixing means) 82 bolt (fixing means) 84 weld bolt (fixing means) 88 Bolt (fixing means) 98 Inflator

Continued on the front page (72) Inventor Etsuhisa Mimura 1 Toyota Town, Toyota City, Aichi Prefecture Inside Toyota Motor Co., Ltd. (72) Inventor Eikichi Nakamura 1 Ogatachi Ogata, Kasuga-cho, Nishikasugai-gun, Aichi Prefecture Toyoda Gosei Co., Ltd. (72) Inventor Katsuhiro Okumura 1 Ochiai Nagahata, Kasuga-cho, Nishi-Kasugai-gun, Aichi Prefecture Inside Toyoda Gosei Co., Ltd. (72) Inventor Shinji Kondo 1 Nagachi Ochiai, Kasuga-cho, Nishikasugai-gun, Aichi Prefecture Toyoda Gosei Co., Ltd. (72 ) Inventor Toshinori Tanase 1 Ochiai Nagahata, Kasuga-cho, Nishi-Kasugai-gun, Aichi Prefecture Toyoda Gosei Co., Ltd.

Claims (6)

[Claims] 1. A front and rear end portion of a curtain-shaped airbag body, which is stored straddling a front pillar and a roof side rail, is fixed to the front and rear sides of a vehicle compartment side, and an inflator is operated to activate the air. A vehicle occupant protection device for protecting an occupant's head by inflating and deploying a bag bag, wherein the inflator is disposed on a roof side rail portion behind an airbag bag. Protective equipment. 2. The occupant protection system for an automobile according to claim 1, wherein said inflator is disposed within a closed cross section of the roof side rail. 3. An inflator mounting opening formed in an inner panel of the roof side rail, and an inflator mounting member for mounting the inflator to the inner panel and closing the inflator mounting opening. The vehicle occupant protection device according to claim 2, wherein: 4. A fixing part formed on the inflator mounting member and extending from a general surface of the inner panel toward the vehicle interior, and fixing means for fixing the fixing part and the inner panel. The vehicle occupant protection device according to claim 3. 5. A curtain-shaped airbag bag, which is stored straddling a front pillar and a roof side rail, is fixed to the front and rear sides of a vehicle compartment side, and an inflator is operated to activate the air. A vehicle occupant protection device for protecting an occupant's head by inflating and expanding a bag bag body, wherein the inflator is disposed in a quarter pillar. 6. A front and rear end portion of a curtain-shaped airbag body, which is stored straddling a front pillar and a roof side rail, is fixed to a front side and a rear side of a vehicle compartment side, and an inflator is operated to activate the air. What is claimed is: 1. An automobile occupant protection device for protecting an occupant's head by inflating and deploying a bag bag body, comprising:
An occupant protection system for an automobile, which is disposed at a location.