Safety device for occupant

Abstract

The present invention provides a safety device for an occupant, the safety device comprising: a seat including a seat cushion and a seat back; and a seat belt including a tongue plate, a webbing on which the tongue plate is provided, and a seat buckle to which the tongue plate is secured and which is provided on the inward side of the seat cushion in the vehicle width direction. The safety device comprises a strap that fastens the webbing draped over the outward side of the seat back in the vehicle width direction when the seat belt is stored. The seat back has a recess provided in a lower part on the outward side in the vehicle width direction, the recess proceeding from front to rear in the vehicle front-rear direction. One lengthwise end of the strap is secured to an inner wall surface of the recess, and the other lengthwise end of the strap is detachably attached to the one lengthwise end with the webbing fastened on the inner side.

Description

Occupant safety devices

[0001] FIELD OF THE DISCLOSURE The present disclosure relates to occupant safety devices.

[0002] A widely known passenger safety device includes a seat including a seat cushion and a seat back, a tongue plate, a webbing inserted through a hole in the tongue plate, and a seat belt including a seat buckle that is provided on the inner side of the seat cushion in the vehicle width direction and to which the tongue plate is fixed.

[0003] In such a passenger safety device, when the seat belt is retracted, the tongue plate may collide with the interior trim, which may cause noise or damage to the trim.

[0004] Patent Document 1 discloses a device in which the upper end of the cover of the side of the seat back is extended so that it can overlap one side of the upper surface of the seat back to form a guide member, and webbing is inserted between the upper surface of the seat back and the guide member.

[0005] Japanese Utility Model Application Laid-Open Publication No. 6-59171

[0006] It is possible to provide a guide member as disclosed in Patent Document 1 on the seat back to prevent the tongue plate from colliding with the trim when the seat belt is stored, but there is a risk that the guide member will spoil the appearance of the seat bag.

[0007] The present disclosure has been made in consideration of the above-mentioned problems, and aims to provide an occupant safety device that can fasten the webbing that is stretched across the outer side of the seat back in the vehicle width direction in an attractive manner when the seat belt is stored.

[0008] (1) In at least one embodiment of the present invention, an occupant safety device comprises a seat including a seat cushion and a seat back, a tongue plate, a webbing to which the tongue plate is attached, and a seat belt that is attached to the vehicle width inner side of the seat cushion and includes a seat buckle to which the tongue plate is fixed, and the device comprises a strap that fastens the webbing that is stretched across the vehicle width outer side of the seat back when the seat belt is stored, the seat back has a recess in its outer lower part in the vehicle width direction that is provided from the front to the rear in the vehicle fore-and-aft direction, and the strap has one longitudinal end fixed to the inner wall surface of the recess, and the other longitudinal end removably attached to the one longitudinal end while the webbing is fastened to the inside.

[0009] According to the configuration (1) above, one longitudinal end of the strap is fixed to the inner wall surface of the recess, and the other longitudinal end is removably attached to the one longitudinal end while fastening the webbing inside, so that when the seat belt is stowed, the webbing that is stretched across the outer side of the seat back in the vehicle width direction can be fastened in an attractive manner.

[0010] (2) In some embodiments, in the configuration of (1) above, the recessed portion opens outward in the vehicle width direction.

[0011] According to the above configuration (2), one end of the strap in the length direction can be fixed to the inner wall surface of the recess from the outer side in the vehicle width direction.

[0012] (3) In some embodiments, in the configuration described in (1) or (2) above, the recessed portion penetrates from the front to the rear in the vehicle longitudinal direction.

[0013] According to the above configuration (3), the dimension of the recess in the vehicle longitudinal direction is large, so that the fixing position of one end of the strap in the longitudinal direction can be freely determined in the vehicle longitudinal direction.

[0014] (4) In some embodiments, in the configuration of (1) or (2) above, the one end of the strap in the length direction is fixed to the front side of the recess in the vehicle front-rear direction.

[0015] According to the configuration (4) above, when the seat belt is stored, the strap does not pull the webbing that is stretched across the outer side of the seat back in the vehicle width direction rearward in the vehicle fore-and-aft direction, and the webbing can be fastened in an attractive manner.

[0016] (5) In some embodiments, in the configuration of (1) or (2) above, the strap has one end in the length direction fixed to an upper wall surface of the recess.

[0017] According to the configuration (5) above, at least one longitudinal end of the strap and the other end attached to the one end are hidden in the recess, so that when the seat belt is stored, the strap can fasten the webbing that is stretched across the outer side of the seat back in the vehicle width direction in an attractive manner.

[0018] (6) In some embodiments, in the configuration of (1) or (2) above, when the one longitudinal end of the strap is fixed to the inside of the recess in the vehicle width direction and the other longitudinal end is attached to the one longitudinal end, the intermediate portion between the one longitudinal end and the other longitudinal end is positioned outside the one longitudinal end and the other longitudinal end in the vehicle width direction.

[0019] According to the above configuration (6), the other end of the webbing attached to the one end of the strap is detached by the seat belt unwinding operation, so there is no need to detach the other end attached to the one end of the strap by a separate operation, which simplifies the operation of fastening the seat belt.

[0020] (7) In some embodiments, in the configuration of (6) above, the strap has a fixing portion fixed to the inner wall surface of the recess between the one end in the length direction and the intermediate portion.

[0021] According to the above configuration (7), the strap has a fixing portion between one longitudinal end and the intermediate portion, so that the other end of the webbing attached to the one longitudinal end of the strap can be easily detached, thereby enabling smooth withdrawal of the seat belt.

[0022] (8) In some embodiments, in the configuration of (7) above, the fixing portion is provided in a central portion between the one end portion in the length direction of the strap and the intermediate portion.

[0023] According to the above configuration (8), the other end of the webbing attached to the one end of the strap can be more easily detached, thereby making it possible to more smoothly perform the operation of withdrawing the seat belt.

[0024] (9) In some embodiments, in the configuration of (1) or (2) above, the webbing has a tongue stopper that restricts movement of the tongue plate toward the fixed end of the webbing, and the tongue stopper positions the tongue plate at a position higher than the recess in the height direction of the seat back when the seat belt is stored, and when the tongue plate is viewed from the front to the rear in the vehicle longitudinal direction, at least a portion of the strap is positioned rearward of the tongue plate in the vehicle longitudinal direction.

[0025] According to the configuration (9) above, when the seat belt is stored, at least a portion of the strap is hidden by the tongue plate when the tongue plate is viewed from the front to the rear of the vehicle, so that when the seat belt is stored, the webbing that is stretched across the outer side of the seat back in the vehicle width direction can be fastened in an attractive manner.

[0026] According to the occupant safety device of the present disclosure, when the seat belt is stowed, the webbing that is stretched across the outer side of the seat back in the vehicle width direction can be fastened in an attractive manner.

[0027] FIG. 1 is a view of an occupant safety device according to an embodiment, as viewed from the front in the vehicle longitudinal direction. FIG. 2 is a view of the occupant safety device shown in FIG. 1, as viewed from the outside in the vehicle width direction. FIG. 3 is a view of a webbing suspended over the outer side of a seat back in the vehicle width direction, a tongue stopper provided on the webbing, and a strap for fastening the webbing, as viewed from the front to the rear in the vehicle longitudinal direction. FIG. 4 is a view of a webbing suspended over the outer side of a seat back in the vehicle width direction, a tongue plate restricted by the tongue stopper, and a strap for fastening the webbing, as viewed from the front to the rear in the vehicle longitudinal direction. FIG. 5 is a view showing details of the strap for fastening the webbing. FIG. 6 is a view showing a state in which an intermediate portion of the strap in the length direction has been raised from the seat back by the webbing. FIG. 7 is a view showing a state in which the other end of the strap has begun to detach from one end by the webbing. FIG. 8 is a view showing a state in which the webbing has been detached from the strap.

[0028] Hereinafter, an occupant safety device according to an embodiment of the present disclosure will be described with reference to the accompanying drawings. However, the dimensions, materials, shapes, relative arrangements, etc. of components described as embodiments or shown in the drawings are merely illustrative examples and are not intended to limit the scope of the present invention.

[0029] [Overview of Occupant Safety Device] Fig. 1 is a view of an occupant safety device 1 according to an embodiment, as viewed from the front in the vehicle longitudinal direction. Fig. 2 is a view of the occupant safety device 1 shown in Fig. 1, as viewed from the outside in the vehicle width direction. As shown in Fig. 1, the occupant safety device 1 according to an embodiment includes a seat 2 and a seat belt 3.

[0030] As shown in Figure 1, the seat 2 according to the embodiment is a seat installed in a rear seat, but is not limited to this and may be a seat installed in a front seat. The seat 2 includes a seat cushion 21 and a seat back 22. The seat back 22 is provided with a headrest 23, but the headrest 23 is not essential. The seat 2 according to the embodiment is reclining, and can be tilted toward the front of the vehicle so that the seat back 22 overlaps the seat cushion 21 to expand the luggage compartment, but is not limited to this.

[0031] The seat belt 3 according to the embodiment is a three-point seat belt configured to restrain the body of an occupant in the seat 2 in the event of a vehicle collision. The seat belt 3 according to the embodiment includes a tongue plate 31, a webbing 33 to which the tongue plate 31 is attached, and a seat buckle 34 that is provided on the inner side of the seat cushion 21 in the vehicle width direction and to which the tongue plate 31 is fixed. The tongue plate 31 is provided with a hole 32 through which the webbing 33 is inserted, as well as a rectangular hole 35 through which the tongue plate 31 is fixed to the seat buckle 34. As shown in FIG. 2 , one end of the webbing 33 inserted through the hole 32 provided in the tongue plate 31 is fixed to the vehicle body, and the other end is taken up by a retractor 36 that is also fixed to the vehicle body. The webbing 33 according to the embodiment has one end fixed to the vehicle body on the outer side of the seat cushion 21 in the vehicle width direction, and the other end taken up by the retractor 36 that is fixed to the rear of the seat back 22 in the vehicle front-rear direction and on the outer side in the vehicle width direction, but is not limited thereto. The webbing 33 is provided with a tongue stopper (not shown) that restricts movement of the tongue plate 31 toward one end (fixed end) of the webbing 33 .

[0032] [Stored state of seat belt] As shown in FIG. 1 , in the stored state of the seat belt 3, the webbing 33 is stretched across the seat back 22 on the outer side in the vehicle width direction, and the tongue plate 31 is restricted from moving toward the fixed end of the webbing 33 by a tongue stopper provided on the webbing 33, and is disposed at a position (lower region) below the center of the seat back 22 in the height direction.

[0033] [Seat Belt Use State] When the seat belt 3 is shifted from the stored state to the used state, the tongue plate 31 is pulled out from the outer lower region of the seat back 22 in the vehicle width direction toward the inner side of the seat cushion 21 in the vehicle width direction, and the tongue plate 31 is fixed to a seat buckle 34 provided on the inner side of the seat cushion 21 in the vehicle width direction. As a result, the webbing 33 passes from the fixed end to the base of the thighs of an occupant seated in the seat 2, passes through the occupant's shoulders, and is wound up by the retractor 36, so that the occupant's body is restrained in the seat 2 in the event of a vehicle collision.

[0034] [Details of Occupant Safety Device] Fig. 3-1 is a view from the front to the rear in the vehicle longitudinal direction of the webbing 33 that is stretched across the outer side of the seat back 22 in the vehicle width direction, the tongue stopper 37 that is provided on the webbing 33, and the strap 4 that fastens the webbing 33. Fig. 3-2 is a view from the front to the rear in the vehicle longitudinal direction of the webbing 33 that is stretched across the outer side of the seat back 22 in the vehicle width direction, the tongue plate 31 that is restricted by the tongue stopper 37, and the strap 4 that fastens the webbing 33.

[0035] As shown in Figures 3-1 and 3-2, the occupant safety device 1 according to the embodiment includes a strap 4 that fastens a webbing 33 that is stretched across the outer side of the seat back 22 in the vehicle width direction when the seat belt 3 is stored.

[0036] The seat back 22 according to the embodiment has a recess 24 formed in a lower portion on the outer side in the vehicle width direction, extending from the front to the rear in the vehicle longitudinal direction. The outer side in the vehicle width direction is located outside the center of the seat back 22 in the vehicle width direction, and the lower portion is located below the center of the seat back 22 in the height direction. The recess 24 is a rectangular recess when viewed from the front to the rear in the vehicle longitudinal direction. For example, the recess 24 may be open to the outer side in the vehicle width direction, or may penetrate from the front to the rear in the vehicle longitudinal direction. The seat back 22 shown in FIGS. 3-1 and 3-2 is formed with a recess 24 that is open on the lower side in the height direction and on the outer side in the vehicle width direction of the seat back 22 and penetrates from the front to the rear in the vehicle longitudinal direction, and a support portion 25 for the seat back 22 is provided in the recess 24.

[0037] [Details of Strap 4] Figure 4 is a diagram showing details of the strap 4 that fastens the webbing 33. As shown in Figure 4, the strap 4 according to this embodiment has one longitudinal end 41 fixed to the inner wall surface 26 of the recess 24, and the other longitudinal end 42 removably attached to the one longitudinal end 41 with the webbing 33 fastened inside. The inner wall surface 26 of the recess 24 includes not only the top wall surface (ceiling surface) 27 or the side surface 28 of the recess 24, but also the front surface (bottom surface) if the recess 24 is recessed from the front to the rear in the vehicle longitudinal direction. The one longitudinal end 41 of the strap 4 is fixed to the inner wall surface 26 of the recess 24 together with a fastener 43 that removably attaches the other longitudinal end 42 of the strap 4. The fastener 43 is, for example, a hook-and-loop fastener 44, 45. One 44 of the hook-and-loop fasteners 44, 45 is sewn together with one end 41 of the strap 4 to the surface that forms the inner wall surface 26 of the recess 24, thereby fixing one end 41 of the strap 4 to the inner wall surface 26 of the recess 24, and the other 45 of the hook-and-loop fasteners 44, 45 is sewn to the other longitudinal end 42 of the strap 4, thereby detachably attaching the other longitudinal end 42 of the strap 4 to the one longitudinal end 41 of the strap 4. The attachment 43 is not limited to the hook-and-loop fasteners 44, 45, but may be a fastener such as a hook.

[0038] One longitudinal end 41 of the strap 4 according to the embodiment is fixed, for example, to the front side of the recess 24 in the vehicle longitudinal direction. The front side of the recess 24 in the vehicle longitudinal direction is forward of the center of the vehicle in the vehicle longitudinal direction, and if more than half of one longitudinal end 41 of the strap 4 is forward of the center of the vehicle in the vehicle longitudinal direction, the strap 4 is fixed to the front side of the recess 24 in the vehicle longitudinal direction.

[0039] The strap 4 according to the embodiment is, for example, tape-shaped, and one end 41 in the length direction thereof is fixed to the upper wall surface 27 of the recess 24. As a result, the other end 42 in the length direction of the strap 4 attached to the one end 41 in the length direction of the strap 4 is also detachably attached to the upper wall surface 27 of the recess 24.

[0040] In the strap 4 according to the embodiment, for example, when one end 41 of the strap 4 in the longitudinal direction is fixed to the inner side of the recess 24 in the vehicle width direction and the other end 42 of the strap 4 is detachably attached to the one end 41 of the strap 4 in the longitudinal direction, an intermediate portion 46 between the one end 41 of the strap 4 and the other end 42 of the strap 4 is positioned outward in the vehicle width direction from the one end 41 of the strap 4 and the other end 42 of the strap 4. The intermediate portion 46 between the one end 41 of the strap 4 and the other end 42 of the strap 4 is a folded-back portion of the strap 4, and is positioned outward in the vehicle width direction from the one end 41 of the strap 4 and the other end 42 of the strap 4. As a result of the pulling-out operation of the seat belt 3, the webbing 33 detaches the other end 42 attached to the one end 41 of the strap 4.

[0041] The strap 4 according to the embodiment has a fixing portion 47 fixed to the inner wall surface 26 of the recess 24, for example, between one longitudinal end portion 41 and an intermediate portion 46 of the strap 4. The fixing portion 47 is formed, for example, by sewing the strap 4 to an outer skin that forms the inner wall surface of the recess 24, between one longitudinal end portion 41 and an intermediate portion 46 of the strap 4.

[0042] The fixing portion 47 according to the embodiment is provided, for example, in a central portion between one end portion 41 in the length direction and the intermediate portion 46 of the strap 4. The central portion is, for example, a position that overlaps with the webbing 33 fastened by the strap 4 in the front-to-rear direction of the vehicle, and is not limited to the central portion between one end portion 41 in the length direction and the intermediate portion 46 of the strap 4.

[0043] As shown in FIG. 3-1, in the tongue stopper 37 of this embodiment, when the seat belt 3 is stored, the tongue plate 31 is positioned higher in the height direction of the seat back 22 than the recess 24, and when the tongue plate 31 is viewed from the front to the rear of the vehicle, at least a portion of the strap 4 is positioned behind the tongue plate 31 in the fore-and-aft direction of the vehicle.

[0044] [Details of the Stored State of the Seat Belt] When the seat belt 3 is in the stored state, the webbing 33 that is stretched across the outer side of the seat back 22 in the vehicle width direction is fastened to the strap 4, and movement in the vehicle width direction is restricted. Specifically, the webbing 33 is restrained between one end 41 and the other end 42 in the length direction of the strap 4, and movement in the vehicle width direction is restricted. As a result, as shown in FIG. 3-2 , movement in the vehicle width direction of the tongue plate 31, through which the webbing 33 is inserted into the hole 32, is also restricted, and it is possible to prevent the tongue plate 31 from colliding with the trim (vehicle interior).

[0045] [Movement of Strap Associated with Seatbelt Unwinding Movement] Fig. 5-1 is a diagram showing a state in which the intermediate portion 46 of the strap 4 has been raised from the surface of the seat back 22 by the webbing 33. Fig. 5-2 is a diagram showing a state in which the other end 42 of the strap 4 has begun to detach from the one end 41 by the webbing 33, and Fig. 5-3 is a diagram showing a state in which the webbing 33 has detached from the strap 4.

[0046] As shown in Figure 4, when the webbing 33 is fastened by the strap 4, movement of the webbing 33 in the vehicle width direction is restricted, and movement of the tongue plate 31, through which the webbing 33 is inserted into the hole, in the vehicle width direction is also restricted. When an occupant seated in the seat 2 holds the tongue plate 31 and pulls out the seat belt 3 (webbing 33), the webbing 33 causes a longitudinal intermediate portion 46 of the strap 4 to rise from the surface of the seat back 22, as shown in Figure 5-1. When the webbing 33 is further pulled out, the webbing 33 begins to detach the other longitudinal end 42 of the strap 4 from the one end 41, as shown in Figure 5-2, and eventually the webbing 33 is released from the strap 4, as shown in Figure 5-3. This allows the webbing 33 to be freely pulled out. When the tongue plate 31 is fixed to the seat buckle 34, the webbing 33 passes from the fixed end to the base of the thighs of the occupant seated in the seat 2, passes over the occupant's shoulders, and is wound up by the retractor 36, and the seat belt 3 is put into use.

[0047] [Effects of occupant safety device] According to the occupant safety device 1 of the embodiment, one longitudinal end 41 of the strap 4 is fixed to the inner wall surface 26 of the recess 24 provided in the seat back 22, and with the webbing 33 fastened inside, the other longitudinal end 42 of the strap 4 is detachably attached to the one longitudinal end 41 of the strap 4, so that when the seat belt 3 is stowed, the webbing 33 stretched across the outer side of the seat back 22 in the vehicle width direction can be fastened in an attractive manner.

[0048] For example, if one longitudinal end 41 of the strap 4 is fixed to the front side of the recess 24 provided in the seat back 22 in the fore-and-aft direction of the vehicle, when the seat belt 3 is stored, the strap 4 will not pull the webbing 33, which is stretched across the outer side of the seat back 22 in the vehicle width direction, rearward in the fore-and-aft direction of the vehicle, and the webbing 33 can be fastened in an attractive manner.

[0049] For example, if the strap 4 is tape-shaped and one longitudinal end 41 of the strap 4 is fixed to the upper wall surface 27 of a recess 24 provided in the seat back 22, at least the one longitudinal end 41 of the strap 4 and the other end 42 attached to the one end 41 are hidden by the recess 24, so that when the seat belt 3 is stored, the strap 4 can attractively fasten the webbing 33 that is stretched across the outer side of the seat back 22 in the vehicle width direction.

[0050] For example, in the case where one longitudinal end 41 of the strap 4 is fixed to the inner side in the vehicle width direction of the recess 24 provided in the seat back 22, the other longitudinal end 42 of the strap is attached to the one longitudinal end 41 of the strap 4, and an intermediate portion 46 between the one longitudinal end 41 and the other longitudinal end 42 of the strap 4 is positioned outward in the vehicle width direction from the one longitudinal end 41 of the strap 4 and the other longitudinal end 42 of the strap 4 attached to the one end 41, the webbing 33 detaches the other end 42 attached to the one end 41 of the strap 4 by pulling out the seat belt 3, so there is no need to detach the other end 42 attached to the one end 41 of the strap 4 by a separate operation. This simplifies the operation of fastening the seat belt 3.

[0051] For example, if the strap 4 has a fixing portion 47 fixed to the inner wall surface 26 of the recess 24 provided in the seat back 22 between one longitudinal end 41 and an intermediate portion 46 of the strap 4, the other end 42 of the webbing 33 attached to the one end 41 of the strap 4 can be easily detached. This allows the seat belt 3 to be smoothly withdrawn.

[0052] For example, if the fixing portion 47 is provided in the center between the one end 41 in the length direction of the strap 4 and the intermediate portion 46, the other end 42 of the webbing 33 attached to the one end 41 of the strap 4 can be more easily detached. This makes it easier to pull out the seat belt 3.

[0053] For example, when the seat belt 3 is stored, the tongue stopper 37 positions the tongue plate 31 at a position higher in the height direction of the seat back 22 than the recess 24, and when the tongue plate 31 is viewed from the front to the rear in the vehicle longitudinal direction, if at least a part of the strap 4 is positioned rearward of the tongue plate 31 in the vehicle longitudinal direction, at least a part of the strap 4 is hidden by the tongue plate 31, so that when the seat belt 3 is stored, the webbing 33 that is stretched across the outer side of the seat back 22 in the vehicle width direction can be fastened in an attractive manner.

[0054] The present invention is not limited to the above-described embodiments, but also includes modifications to the above-described embodiments and appropriate combinations of these modifications.

[0055] REFERENCE SIGNS LIST 1 Occupant safety device 2 Seat 3 Seat belt 4 Strap 21 Seat cushion 22 Seat back 23 Headrest 24 Recess 25 Support portion 26 Inner wall surface 27 Upper wall surface (ceiling surface) 28 Side wall surface 31 Tongue plate 32 Hole for inserting webbing 33 Webbing 34 Seat buckle 35 Hole for fastening to seat buckle 36 Retractor 37 Tongue stopper 41 One end of strap in length direction 42 Other end of strap in length direction 43 Mounting fixture 44, 45 Hook-and-loop fastener 46 Middle portion of strap in length direction 47 Fastening portion

Claims

1. An occupant safety device comprising: a seat including a seat cushion and a seat back; a tongue plate, a webbing to which the tongue plate is attached, and a seat belt which is attached to the inside of the seat cushion in the vehicle width direction and includes a seat buckle to which the tongue plate is fixed, wherein the device comprises a strap for fastening the webbing which is stretched across the outside of the seat back in the vehicle width direction when the seat belt is stowed, the seat back has a recess in its outer lower part in the vehicle width direction, which is provided from the front to the rear in the vehicle fore-and-aft direction, and the strap has one lengthwise end fixed to the inner wall surface of the recess, and the other lengthwise end removably attached to the one lengthwise end with the webbing fastened inside.

2. An occupant safety device as described in claim 1, wherein the recess is open to the outside in the vehicle width direction.

3. An occupant safety device as claimed in claim 1 or 2, wherein the recess penetrates from the front to the rear in the longitudinal direction of the vehicle.

4. An occupant safety device as described in claim 1 or 2, wherein the one longitudinal end of the strap is fixed to the front side of the recess in the vehicle longitudinal direction.

5. An occupant safety device as claimed in claim 1 or 2, wherein said strap has one longitudinal end fixed to an upper wall surface of said recess.

6. An occupant safety device as described in claim 1 or 2, wherein when the one longitudinal end of the strap is fixed to the inside of the recess in the vehicle width direction, and the other longitudinal end is attached to the one longitudinal end, an intermediate portion between the one longitudinal end and the other longitudinal end is positioned outside the one longitudinal end and the other longitudinal end in the vehicle width direction.

7. An occupant safety device as set forth in claim 6, wherein said strap has a fixing portion fixed to an inner wall surface of said recess between said one longitudinal end portion and said intermediate portion.

8. An occupant safety device as claimed in claim 7, wherein said fixing portion is provided at a central portion between said one longitudinal end portion and said intermediate portion of said strap.

9. An occupant safety device as described in claim 1 or 2, wherein the webbing has a tongue stopper that restricts movement of the tongue plate towards the fixed end of the webbing, and the tongue stopper positions the tongue plate at a position higher than the recess in the height direction of the seat back when the seat belt is stored, and when the tongue plate is viewed from the front to the rear in the vehicle fore-and-aft direction, at least a portion of the strap is positioned rearward of the tongue plate in the vehicle fore-and-aft direction.

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