JP2017065456A - Air bag device for assistant driver's seat - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an air bag for an assistant driver's seat in which the air bag completing inflation can precisely receive an occupant in the oblique collision of a vehicle.SOLUTION: An air bag 31 folded and stored in a storing part makes inflation gas G flow in to expand from the storing part to the rear side so that an assistant driver's seat may protect an occupant PM being seated in operation. The air bag 31 includes a main bag part 33 with a front collision restraint surface 40 in the rear surface for receiving the occupant in the front collision of a vehicle, and an auxiliary bag part 50 having an oblique collision restraint surface 55 capable of receiving the head of the occupant moving obliquely forward in the oblique collision of the vehicle. A storage part 70 is provided upward while ranging from the lower wall part 31d in the lower wall part 31d of a bottom side when completing the inflation of the air bag 31.SELECTED DRAWING: Figure 6

Description

  The present invention is not limited to a frontal collision of a vehicle in which a deployed and inflated airbag moves in front of an occupant seated in a passenger seat, but also in a vehicle that moves diagonally forward in the left-right direction such as the driver seat side direction or the vehicle outer side direction. The present invention relates to an airbag device for a passenger seat that is configured to be able to receive and occupy an occupant seated in a passenger seat even at the time of oblique collision.

  Conventionally, in this type of airbag device for a passenger seat, the front side between the front passenger seat and the driver seat is separated by a main bag portion that is inflated on the front side of the passenger seated in the passenger seat, the main bag portion, and the partition wall. The thing provided with the auxiliary | assistant bag part (center bag part) which expand | swells is known (for example, refer patent document 1).

  In addition, the passenger seated in the passenger seat is not only caught at the front of the vehicle, but also at the time of oblique collision (including not only the case of collision toward the front of the vehicle but also the offset of the vehicle). There is also known a passenger seat airbag in which a convex portion capable of receiving an occupant's head at the time of slanting is provided on an edge of the rear side of the driver seat at the time of completion of inflation (see, for example, Patent Document 2). .

JP-A-2-303951 JP-A-8-324373

By the way, some recent vehicles include a vehicle in which an article such as a car navigation system or a liquid crystal monitor is attached to a center portion (center panel) of a dashboard (inner panel) or a center meter. When a passenger airbag is mounted on such a vehicle, if the airbag is deployed and inflated at the time of a slanting collision, the center panel article may become an obstacle, which may hinder the deployment and expansion of the passenger airbag. It is done.
In addition, when the airbag is deployed, it should be set to expand along the shape of the dashboard, but if there is an article on the dashboard, the airbag will ride on the article, and the airbag will operate normally. It may be difficult to protect the device.

  An object of the present invention is to solve the above-mentioned problem, and to provide an airbag for a passenger seat that can complete inflation without hindrance in order to smoothly protect an occupant moving obliquely forward. And

(1) The airbag device for a passenger seat according to the present invention protects an occupant seated in the passenger seat when the airbag folded and stored in the storage portion disposed in the instrument panel in front of the passenger seat of the vehicle is activated. An airbag for a passenger seat configured to allow an inflation gas to flow in and expand and inflate rearward from the storage portion, wherein the airbag includes an upper wall portion on an upper surface side and a lower wall portion on a lower surface side. It consists of a left wall on the left side, a right wall on the right side, and a rear wall on the rear side with steps. A front bag restraint surface that catches the occupant moving to the main bag portion that completes inflating, and inflates on one side in the left-right direction of the main bag, and from the lateral edge of the front bump restraint surface Expansion shape protruding backward And the auxiliary bag portion that completes the expansion by using the side surface side that extends rearward as it is connected to the front impact restraint surface as the oblique impact restraint surface capable of receiving the head of an occupant moving obliquely forward at the time of the vehicle oblique impact. The lower wall portion on the lower surface side when the inflation of the airbag is completed is provided with a storage portion that continues from the lower wall portion and faces the upper wall portion on the upper surface side of the airbag. It is characterized by that.

With the above feature, in the passenger seat airbag according to the present invention, when the airbag completes inflating, the slanting constraining surface of the auxiliary bag portion is located on the rear side of the airbag. At the side position, it protrudes rearward. Therefore, even if the occupant moves obliquely forward when the vehicle is obliquely inclined, the oblique protrusion restraint surface can catch the occupant's head. Further, the slanting constraining portion having the slanting constraining surface suppresses the falling behavior such as turning the head of the occupant, and can receive and protect the occupant.

  In addition, a storage portion that faces the upper wall portion on the upper surface side of the airbag is provided in a portion of the lower wall portion that is disposed on the lower side when the airbag is completely inflated. Therefore, even if a vehicle or a center meter with an article such as a car navigation system or a liquid crystal monitor attached to the center part of the inner panel is set, such an article can be placed in the storage part when the airbag is deployed by providing the storage part. The airbag can be stored, and the airbag can be reliably expanded and expanded.

  (2) The storage portion is formed in a bag shape by connecting the outer peripheries of two front and rear storage portion constituting portions constituting the storage portion.

  Due to the above characteristics, even when a vehicle or center meter with an article such as a car navigation system or a liquid crystal monitor attached to the center part of the inner panel is set, the storage part has a bag shape, so that A simple article can be stored in the bag-shaped storage portion, and the airbag can be reliably expanded and inflated.

  (3) The upper end part of the storage part in the previous period and the upper wall part on the upper surface side of the airbag are joined by a tether.

Due to the above features, the upper end of the bag-like storage part and the upper wall of the upper side of the airbag are joined by a tether when the airbag is deployed, so that the storage part will not fall backward and Items such as car navigation systems and liquid crystal displays attached to the center portion of the inner panel can be stored.
In addition, by connecting the upper end of the bag-like storage part and the upper wall part of the main bag part with a tether, the separation distance between the upper wall part and the lower wall part of the main bag part is restricted when the inflation of the airbag is completed. It becomes possible to do.

  (4) The first storage part is configured to communicate with a lower wall part and an upper wall part of the airbag.

  Due to the above-described features, it can be stored in the storage unit regardless of the height of an article such as a car navigation system or a liquid crystal display attached to the center portion of the inner panel. In addition, since the storage part communicates the lower wall part and the upper wall part of the airbag, the storage part can regulate the separation distance between the upper wall part and the lower wall part of the airbag in the same manner as the tether. become.

  (5) The longitudinal direction of the opening part of the storage part provided in the lower wall part of the airbag is provided so as to be parallel to the restraining surface for front collision.

  Articles such as a car navigation system and a liquid crystal display attached to the center portion of the inner panel are installed so as to be substantially parallel to the longitudinal direction of the inner panel. Therefore, after the airbag has been inflated and deployed, the longitudinal direction of the opening of the storage portion is set to be parallel to the front-projection restraining surface, so that it fits in the shape of an article such as a car navigation system or a liquid crystal display. Can be stored.

It is the schematic of the airbag apparatus for passenger seats of embodiment which concerns on this invention. It is a schematic front view of the airbag apparatus for passenger seats of embodiment. It is a schematic longitudinal cross-sectional view of the airbag apparatus for passenger seats of embodiment. It is a schematic plan view at the time of the action | operation of the airbag apparatus for passenger seats of embodiment. It is a schematic longitudinal cross-sectional view at the time of the action | operation of the airbag apparatus for passenger seats of embodiment. It is a schematic perspective view of the airbag at the time of completion of expansion in an embodiment. It is a schematic perspective view of the airbag at the time of completion of expansion in another embodiment.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. As shown in FIGS. 1 to 5, an airbag device 30 for a passenger seat according to the embodiment includes a portion on the upper surface of an instrument panel (hereinafter abbreviated as “instrument panel”) 1 in front of the passenger seat 16 (passenger seat side portion). It is a top mount type mounted in 4). A liquid crystal monitor 3 is mounted on the center cluster 2 of the instrument panel so as to protrude toward the upper side of the instrument panel. The passenger seat airbag device 30 includes an airbag 31 that is folded and stored in the passenger seat side portion 4, inflators 93 and 93 </ b> A that supply the inflation gas G to the airbag 31, and the folded airbag 31. A case 95 as a storage unit for storing and holding the inflators 93 and 93A, retainers 91 and 91A for attaching the airbag 31 and the inflators 93 and 93A to the case 95, and an airbag covering the folded airbag 31 And a cover 97.

  In the present specification, the front / rear / up / down / left / right directions correspond to the front / rear / up / down / left / right directions of the vehicle V unless otherwise specified.

  As shown in FIG. 3, the airbag cover 97 is provided on the passenger seat side 4 of the synthetic resin instrument panel 1, and includes doors 97 a and 97 b that are pushed by the inflating airbag 31 and open on both the front and rear sides. It is configured. A side wall 97c extending downward is provided around the doors 97a and 97b.

  As shown in FIG. 3, the case 95 constitutes a housing portion for the folded airbag 31, and has a rectangular plate-shaped bottom wall portion 95 a and a bottom as a substantially rectangular parallelepiped shape made of a sheet metal that opens upward. And a peripheral wall portion 95c extending upward from the outer peripheral edge of the wall portion 95a. The bottom wall portion 95a is provided with circular openings 95b and 95b (see FIG. 4) into which the main body portions 93a of the inflators 93 and 93A are inserted from below, and the periphery of each opening 95b is provided with each of the retainers 91 and 91A. A mounting hole (not shown) for inserting the bolt 91a is formed. A locking claw portion 95d that locks the side wall 97c of the airbag cover 97 is formed at the upper end of the peripheral wall portion 95c (see FIG. 3).

  Note that an attachment piece (not shown) that is attached and fixed to a bracket extending from the instrument panel hose is disposed on the bottom wall portion 95a and the peripheral wall portion 95c of the case 95. In other words, these attachment pieces (not shown) serve to connect and fix the passenger airbag device 30 to the body side of the vehicle V.

  Each of the inflators 93 and 93A includes a cylindrical main body portion 93a and a square annular flange portion 93c disposed on the outer peripheral surface of the main body portion 93a. A gas discharge port 93b for discharging the working gas G is formed. The flange portion 93c is formed with a through hole (not shown) through which the bolt 91a of the retainers 91, 91A is inserted.

  The retainers 91 and 91A are for attaching and fixing the airbag 31 and the inflators 93 and 93A to the case 95. Each of the retainers 91 and 91A has a quadrangular annular shape through which the main body 93a can be inserted, and bolts 91a projecting downward are provided at the four corners. ing. The retainers 91 and 91A are arranged at the peripheral edges of the openings 35 and 36 in the airbag 31 by causing the bolts 91a to protrude from the mounting holes 37 of the airbag 31, respectively. By passing through the peripheral edge of the opening 95b of the wall portion 95a and the flange portion 93c of the inflators 93 and 93A, and fastening the nut 92 to each bolt 91a, an airbag is provided to the bottom wall portion 95a of the case 95. 31 and inflators 93 and 93A are attached and fixed.

  As shown in FIGS. 4 to 8, the airbag 31 has an upper wall 31c on the upper surface, a lower wall 31d on the lower surface, a left wall 31e on the left surface on the driver's seat 13 side, The surface-side right wall portion 31f and the rear-side rear wall portion 31g having a step are disposed and inflated, the expansion completed shape is narrowed in the vertical direction toward the front side, and the axial direction is left and right. It has a substantially triangular prism shape along the direction. Furthermore, the airbag 31 has a main bag portion 33 that extends rearward from the case 95 as a storage portion, and an auxiliary bag portion 50 that inflates on the driver's seat 13 side (that is, the left side) of the main bag portion 33 when the inflation is completed. , And is configured.

  The main bag portion 33 has a front collision restraint surface 40 as a rear surface 33b disposed along a substantially vertical direction when the inflation is completed. The front collision restraint surface 40 is a front passenger seat during a frontal collision of the vehicle V. When the occupant PM seated in 16 moves forward, the occupant PM is arranged to receive the upper body UB including the head H and chest B of the occupant PM. The main bag portion 33 has a lower surface on the front end portion 33 a side as an attachment portion 34 attached to the bottom wall portion 95 a of the case 95. The attachment portion 34 is provided with inflow openings 35 and 36 which are inserted circularly and into which the inflators 93 and 93A are inserted from below and whose peripheral edges are held by the retainers 91 and 91A. Attaching holes 37 through which the bolts 91a of the retainers 91 and 91A are inserted are formed at the peripheral edges of the inflow openings 35 and 36.

In the lower wall portion 31d of the main bag portion 33, a portion of the instrument panel 1 located on the center cluster 2 is connected to the lower wall portion 31d, and a storage portion 70 whose tip extends upward in the airbag. Is provided. In the present embodiment, the storage unit 70 is formed by two storage unit constituting units 72 at the front and rear. The two front and rear storage unit components 72 are coupled at their lower ends to a storage unit opening 71 provided in the lower wall portion 31d of the airbag 31, and the upper end and the left and right ends are coupled to the opposing storage unit configuration unit 72. And formed into a bag shape.
The upper end of the storage part 70 and the upper wall part 31c on the upper surface side of the airbag are joined to the upper end of the storage part 70, and when the inflation of the airbag 31 is completed, the upper wall part 31c and the lower wall part 31d of the main bag part 33 A tether 73 for regulating the separation distance is provided.

  Further, the main bag portion 33 is provided with a vertical tether 42 that connects the attachment portion 34 and the front collision restraint surface 40 so as to stabilize the distance from the attachment portion 34 of the front collision restraint surface 40 when the inflation is completed. It is set up. The vertical tether 42 is pressed and joined to the retainers 91 and 91A on the front end 42a side, and the rear end 42b side is folded in two so as to make a crease along the front-rear direction. It is couple | bonded with the tongue piece parts 81a and 82a extended from.

  The rear side of the airbag 31 is provided with rear panels 81 and 82 (see FIG. 11) that are divided into left and right parts. These rear panels 81 and 82 project the tongue pieces 81a and 82a rearward. In this manner, the front-projection restraint surface 40 is configured by sewing the vicinity of the tongue pieces 81a and 82a along the vertical direction. However, in the left rear panel 81, the right side part 81b in the vicinity of the tongue piece part 81a constitutes the front-projection restraint surface 40 (see FIG. 8), and the left side part 81c is a support inflating part 51 to be described later of the auxiliary bag part 50. The rear surface 51b and a front wall 54a of a later-described oblique projection restraining portion 54 are configured (see FIG. 6).

  Furthermore, the retainer 91 </ b> A is used for the attachment portion 34 of the main bag portion 33, and the front end 51 a of the auxiliary bag portion 50 is connected from the outer surface side to the driver's seat 13 side in the front portion 50 a of the auxiliary bag portion 50. An outer tether 45 that restricts the protrusion is disposed.

  The auxiliary bag portion 50 is configured to include a support inflating portion 51 on the front portion 50a side and an oblique protrusion restraining portion 54 on the rear portion 50b side as a configuration inflating on the driver seat 13 side of the main bag portion 33. . The oblique protrusion restraining portion 54 is disposed so as to partially protrude rearward on the upper side of the rear surface 51b of the support inflating portion 51 as a substantially rectangular parallelepiped expansion completion shape. The front end 51a side of the support inflatable portion 51 is disposed so as to extend from the front end (intersection portion 53) of the side surface 50c on the driver's seat 13 side to the main bag portion 33 side substantially along the left-right direction, and the center of the instrument panel 1 It extends to the rear surface 2 a side of the cluster 2, and the lower surface side is a support surface 52 that is supported by the rear surface 2 a of the center cluster 2.

  The oblique collision restraining portion 54 receives the head H of the occupant PM moving obliquely forward on the driver's seat 13 side when the vehicle V is obliquely inclined (including an oblique collision and an offset collision of the vehicle V). It is arranged. That is, the oblique protrusion restraining portion 54 is disposed so as to protrude rearward from the upper edge of the driver seat 13 side of the front collision restraining surface 40, that is, the upper portion 40b of the left edge 40a. A side surface side of the restraint portion 54 that extends rearward from the front impact restraint surface 40 is defined as an oblique impact restraint surface 55 that can receive the head H of the occupant PM. The head H of the occupant PM moving obliquely forward on the driver's seat 13 side at the time of the oblique collision is received.

  In the case of the embodiment, as shown in FIGS. 6 and 8, the oblique protrusion restraining portion 54 is seen from the upper part (left upper part) 81 d of the left side part 81 c of the left rear panel 81 as viewed from the constituent members of the airbag 31. It arrange | positions so that it may protrude back. In other words, the upper left portion 81 d of the left side portion 81 c of the rear panel 81 is configured to be shared with the front wall 54 a of the oblique projection restraining portion 54. The front wall 54 a is provided with a plurality of communication holes 66 so that the expansion gas G flows into the oblique projection restraining portion 54 through the communication holes 66. Further, in the oblique protrusion restraining portion 54, a tether 67 for restricting the separation distance between the peripheral edge of the communication hole 66 of the front wall 54a and the right wall 54d constituting the oblique protrusion restraining surface 55, and the oblique protrusion restraining portion. 54, a tether 68 that regulates the distance between the upper wall 54e and the lower wall 54f.

  In the embodiment, as shown in FIGS. 1, 2, and 4, the airbag 31 at the completion of the inflation has the side surface 50 c on the driver seat 13 side of the auxiliary bag portion 50 that inflates the airbag device 20 for the driver seat. It is comprised so that the completed airbag 21 for driver's seats may be contacted. The driver's seat airbag device 20 is mounted on the boss portion 10 at the center of the steering wheel 9 of the steering device 8. The steering wheel 9 is disposed in front of the driver's seat 13 and steers the vehicle V by gripping the ring portion 11 and rotating it in a predetermined direction.

  For mounting the passenger seat airbag device 30 on the vehicle V, first, the retainers 91 and 91 </ b> A are housed in the airbag 31 by causing the bolts 91 a to protrude from the attachment holes 37. The airbag 31 is folded and placed on the bottom wall portion 95a so as to be housed in the case 95, and the bolts 91a of the retainers 91 and 91A are attached to the peripheral holes of the openings 95b and 95b of the bottom wall portion 95a. Project from (not shown). Then, the main body 93a of the corresponding inflator 93, 93A is inserted into the case 95 from below through the openings 95b, 95b, the bolts 91a are passed through the flanges 93c, and the nuts 92 are fastened to the bolts 91a. Then, the airbag 31 folded together with the inflators 93 and 93A can be attached and fixed to the bottom wall portion 95a.

  Thereafter, the case 95 is connected to a bracket extending from a predetermined instrument panel hose of the vehicle V using an attachment piece (not shown), and each inflator 93, 93A is connected to a control device (not shown) for operating the airbag device 30. The passenger seat airbag device 30 can be mounted on the vehicle V by connecting the extending lead wires for operating signals and assembling the instrument panel 1 to the vehicle V.

In the passenger seat airbag device 30 according to the embodiment, if the operation signal is input to the inflators 93 and 93A after being mounted on the vehicle V, the airbag 31 pushes and opens the doors 97a and 97b of the airbag cover 97. Then, it expands and expands while protruding rearward from the case 95 (see the two-dot chain line in FIGS. 1 and 2 and FIGS. 4, 5, and 8).
When the airbag 31 is completely inflated, the slanting constraining portion 54 of the auxiliary bag portion 50 is provided on the rear portion 31b side of the air bag 31 and the driver seat 13 side of the upper portion 40b of the front constraining surface 40. At the position, it is arranged to protrude rearward. Therefore, when the vehicle V is obliquely projected, even if the head H of the occupant PM moves diagonally forward on the driver's seat 13 side, as shown by the two-dot chain line in FIG. PM's head H will be received.

In the above-described embodiment, the bag-shaped storage unit 70 is formed by the two front and rear storage unit components 72, but the storage unit 70 may be formed by a single storage unit component 72.
In this case, one side of the storage unit component 72 is folded back in the middle, and the short sides on both sides are coupled to the opening provided in the lower wall portion 31d of the airbag 31 so that the folded portion is positioned upward. The storage part 70 can be formed by joining one side.
Alternatively, the folded portion is folded in the middle of one side of the storage portion constituting portion 72, the folded portion is positioned so as to be orthogonal to the opening, and the folded side portion is provided on the lower wall portion 31d of the airbag 31. The storage part 70 may be formed by combining with the storage part opening 71 and connecting the remaining one side and the other side parts.

Further, as shown in FIG. 7, the shape of the storage portion 70 may not be a bag shape, but may be a cylinder shape in which the lower wall portion 31 d of the airbag 31 and the upper wall portion 31 c are connected.
In this case, since the storage portion 70 communicates the lower wall portion 31d and the upper wall portion 31c of the airbag 31, the storage portion 70 is connected to the upper wall portion 31c and the lower wall portion 31c of the airbag 31 in the main bag portion in the same manner as the tether. It is possible to regulate the separation distance from the wall portion 31d.

In the embodiment, the case where the auxiliary bag portion 50 is disposed only on the driver seat 13 side (the vehicle inner side) on the left side of the main bag portion 33 is shown, but the auxiliary bag portion is operated in the main bag portion. You may arrange | position only to the side surface side away from the seat (vehicle outer side). Of course, the auxiliary bag portion may be provided on both the left and right sides of the main bag portion, as long as the front collision restraint surface 40 can catch the occupant PM at the time of a frontal collision of the vehicle without tilting, In this case, the auxiliary bag parts on both sides may adjust the volume of the high pressure part to make the volume of the low pressure part different. Furthermore, when the auxiliary bag portion is disposed only on one side of the main bag portion in the left-right direction, that is, only on the driver seat side of the main bag portion or only on the vehicle exterior side, the opposite side of the main bag portion in the left-right direction. May be provided with a protruding bag portion having the same shape as the auxiliary bag portion consisting of only the low pressure portion.

  Furthermore, in the embodiment, the oblique protrusion restraining portion 54 protrudes from the rear ends of the auxiliary bag portions 50 and 50C by the width in the vertical direction that can cover the head H of the occupant PM. The slanting constraining portion 54 may be disposed so as to protrude rearward in the same amount as the width dimension in the vertical direction of the surface 40, that is, in the entire vertical region on the rear surface side of the auxiliary bag portion 50.

1: Instrument panel 2: Center cluster 3: LCD monitor 4: Front passenger side 8: Steering device 9: Steering wheel 10: Boss 11: Ring 13: Driver's seat 16: Passenger's seat 20: Driver's seat airbag 21: Airbag 30: Airbag for passenger seat 31: Airbag 31b: Rear portion 31c: Upper wall portion 31d: Lower wall portion 31e: Left wall portion 31f: Right wall portion 31g: Rear wall portion 33: Main bag portion 33a: Front end portion 33b: Rear surface 34: Mounting portion 35: Opening 36: Opening 37: Mounting hole 40: Front constraining surface 40a: Left edge 40b: Upper portion 45: Outer tether 50: Auxiliary bag portion 50a: All 50b: Rear portion 50c: Side surface 51 b: Rear surface 52: Support surface 53: Intersection part 54: Constraining surface for oblique projection 54a: Front wall 54d: Right wall 54e: Upper wall 54f: Lower wall 55: Constraining portion for oblique projection 66: Communication hole 67: Tether 68: Tether 70: Storage part 71: Storage part opening part 81: Rear panel 81b: Right side part 81c: Left side part 82: Rear panel

Claims (5)

When an airbag folded and stored in a storage part disposed in the instrument panel in front of the passenger seat of the vehicle is activated, an inflating gas is introduced to protect the passenger seated in the passenger seat, and the rear part from the storage part An airbag for a passenger seat configured to be deployed and inflated to the side, wherein the airbag includes an upper wall portion on the upper surface side, a lower wall portion on the lower surface side, a left wall portion on the left side surface side, and a right wall on the right side surface side. And a rear wall portion on the rear surface side having a step, and the rear wall portion on the rear surface at the time of completion of expansion is used as a front collision restraint surface for receiving an occupant moving forward at the time of a vehicle frontal collision. A front bag restraint, and a front bag restraint restraint surface that is inflated to protrude rearward from a lateral edge of the front impact restraint surface. Back to the surface And an auxiliary bag part that completes the inflating as a constraining surface for oblique projection capable of receiving the head of an occupant moving obliquely forward when the vehicle obliquely projects, and inflating the airbag An airbag for a passenger seat, wherein a storage portion that extends from the lower wall portion toward the upper wall portion on the upper surface side of the airbag is provided in the lower wall portion on the lower surface side when completed. 2. The passenger seat airbag according to claim 1, wherein the storage portion is formed in a bag shape by connecting outer peripheries of two front and rear storage portion constituting portions of the storage portion. 3. The passenger seat airbag according to claim 1, wherein an upper end portion of the storage portion and an upper wall portion on the upper surface side of the airbag are joined by a tether. 4. 2. The passenger seat airbag according to claim 1, wherein the storage portion is configured to communicate with a lower wall portion and an upper wall portion of the airbag. 3. The longitudinal direction of the opening part of the said accommodating part provided in the lower wall part of the said airbag is provided so that it may become in parallel with the said restraint surface for front collisions. Passenger airbag.

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