Pickup truck

Abstract

To provide a pickup truck excellent in reclining property of a rear seat.SOLUTION: The pickup truck 100 includes a partition wall 31 of the loading platform 30 behind the back panel 11 in the rear portion of the vehicle cabin 10 separately from the back panel 11. The rear seat 20 on the front side of the back panel 11 is configured such that the seat back 22 of the rear seat 20 can be reclined toward the rear of the vehicle cabin 10, the seat cushion 21 of the rear seat 20 moves toward the front of the vehicle cabin 10 in accordance with the reclining, and the upper portion 12 of the back panel 11 can move toward the rear of the vehicle cabin 10.SELECTED DRAWING: Figure 1

Description

[Technical Field]

[0001] The present invention relates to a technology for reclining rear seats in a pickup truck. [Background technology]

[0002] Patent Document 1 discloses a pickup truck in which the partition wall at the front of the truck's cargo bed, the back panel at the rear of the passenger compartment, and the seat backs of the rear seats are formed as a single unit, and the seat backs and back panel (and the partition wall) are rotated toward the rear of the passenger compartment in conjunction with each other, allowing the rear seats to be reclined. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Laid-Open No. 2000-142476 Summary of the Invention [Problem to be solved by the invention]

[0004] However, in the case of a pickup truck in which the back panel at the rear of the vehicle compartment and the bulkhead at the front of the cargo bed are separate, the bulkhead of the cargo bed is located behind the back panel, and therefore, simply rotating the back panel toward the rear of the vehicle compartment, as in the technology described in Patent Document 1, causes a problem in that the bulkhead of the cargo bed interferes with the back panel.

[0005] Therefore, the present invention has been made in consideration of such problems, and an object of the present invention is to provide a pickup truck in which the back panel and the cargo bed partition are provided separately, and in which the rear seats have excellent reclining capabilities. [Means for solving the problem]

[0006] In order to solve the above problem, a pickup truck according to one embodiment of the present invention is a pickup truck having a cargo bed partition behind a back panel at the rear of the passenger compartment, separate from the back panel, and the rear seat in front of the back panel is configured so that the seat back of the rear seat can be reclined rearward, and as the rear seat is reclined, the seat cushion of the rear seat moves toward the front of the passenger compartment, and the upper part of the back panel can move rearward. [Effects of the Invention]

[0007] According to the present invention, a pickup truck with excellent rear seat reclining capabilities can be provided. [Brief explanation of the drawings]

[0008] [Figure 1] 1A and 1B are explanatory diagrams of an embodiment of a pickup truck according to one aspect of the present invention, in which FIG. 1A shows a schematic side view of the rear seat at the rear of the vehicle compartment and the partition wall at the front of the cargo bed, and FIG. 1B shows an enlarged view of the main part (upper part) of the back panel. [Figure 2] 2 is a schematic diagram illustrating a mechanism for moving a seat cushion of the rear seat shown in FIG. 1, and shows an example in which the seat cushion moves toward the front and toward the top of the vehicle interior. FIG. [Figure 3] 2 is a schematic diagram illustrating a moving mechanism of a seat cushion of the rear seat shown in FIG. 1, and shows an example in which the seat cushion moves toward the front and toward the bottom of the vehicle interior. FIG. [Figure 4] 1 is a schematic diagram illustrating a mechanism for moving a back panel, showing an example in which the entire back panel rotates around a pivot part in the middle. [Figure 5] FIG. 1 is a schematic diagram illustrating a mechanism for moving a back panel, showing an example in which an upper portion of the back panel slides using a four-bar link. [Figure 6] 5A to 5K are schematic diagrams ((a) to (k)) illustrating various examples of operation of the seat cushion of the rear seat according to the present invention. [Figure 7]5A to 5E are schematic diagrams ((a) to (e)) illustrating various operational examples of the back panel according to the present invention. [Figure 8] 1A to 1E are schematic diagrams ((a) to (e)) illustrating various configuration examples of the locking mechanism for the back panel according to the present invention. DETAILED DESCRIPTION OF THE INVENTION

[0009] Hereinafter, an embodiment of the present invention will be described with reference to the drawings. Note that the drawings are schematic. Therefore, it should be noted that the relationship between thickness and planar dimensions, ratios, etc. differ from the actual ones, and the dimensional relationships and ratios between the drawings may differ. Furthermore, the embodiments described below are intended to exemplify devices and methods for embodying the technical concept of the present invention, and the technical concept of the present invention does not limit the materials, shapes, structures, arrangements, etc. of the components to the embodiments described below.

[0010] As shown in Fig. 1, a pickup truck 100 of this embodiment has a partition wall 31 of a cargo bed 30 behind a back panel 11 of a vehicle interior 10. A rear seat 20 in front of the back panel 11 includes a seat cushion 21 and a seat back 22. The seat back 22 is configured to be reclined toward the rear of the vehicle interior 10 by a reclining mechanism 50 (see Figs. 2 and 3), which will be described later.

[0011] Furthermore, the seat cushion 21 can be moved toward the front of the vehicle interior 10 by a seat slide mechanism 60 (see FIGS. 2 and 3), which will be described later, as the seat back 22 is reclined. As shown in Fig. 1(b), the back panel 11 of this embodiment includes a panel base 17 which is the lower portion of the back panel 11, and a tilting portion 12 which is the upper portion of the back panel 11. The tilting portion 12 is configured to be movable toward the rear of the vehicle interior.

[0012] 1 is a type in which the back panel 11 does not intrude into the vehicle interior 10. In other words, as shown in the figure, the tilting portion 12 is the upper portion of the back panel 11, and only the tilting portion 12 tilts toward the rear of the vehicle interior around a lower end pivot portion 13 provided at the lower end of the tilting portion 12.

[0013] As shown in Fig. 1(b), the tilting portion 12 has a frame portion 41 formed in a frame shape from a metal material, and a window portion 42 formed by fitting a glass member into the frame of the frame portion 41. The window portion 42 is bonded along the inner edge of the frame portion 41. A sealant 43 is attached to the surface of the frame portion 41 facing the vehicle interior 10.

[0014] A hinge 18 is provided at the connection between the panel base 17 and the tilting portion 12. Each blade of the hinge 18 is fixed with a rivet to both the lower part of the tilting portion 12 and the upper part of the panel base 17. This allows the tilting portion 12 to rotate toward the rear of the vehicle cabin at the upper part of the panel base 17 around the pivot part (lower end pivot part 13) of the hinge 18.

[0015] As shown in Fig. 11(b), the tilting portion 12 of this embodiment is provided with a striker 44 on the upper edge thereof, and a latch 45 that can be engaged with and disengaged from the striker 44 is provided on the roof side thereof, thereby constituting a locking mechanism 92. In this embodiment, the locking mechanism 92 makes it possible to fix and release the open / closed position of the tilting portion 12 relative to the roof side of the passenger compartment 10.

[0016] In addition, a cover member 19 such as a canopy can be appropriately provided over the openings on the roof and left and right sides of the passenger compartment 10 when the seat is reclined, which can cover the openings depending on whether the tilting section 12 is opened or closed during reclining. This ensures a favorable interior environment when the seat is reclined.

[0017] In this embodiment, as shown in FIG. 1, the seat back 22 is provided with an operating lever 70 at an appropriate position on the side of the rear seat 20, and the reclining mechanism 50 and the seat slide mechanism 60 are configured so that the operating lever 70 can be reclined from the position shown by the dashed line in FIG. 1 to the position shown by the solid line by the force applied by hand to the operating lever 70.

[0018] In this embodiment, the reclining mechanism 50 and the seat slide mechanism 60 are connected to each other via an interlocking link 51 (see FIGS. 2 and 3) so that the reclining operation of the seat back 22 and the seat slide operation of the seat cushion 21 are interlocked. As a result, when the reclining mechanism 50 starts reclining the seat back 22, the seat slide mechanism 60 pushes the seat cushion 21 toward the front of the vehicle cabin by moving a four-bar link including links 61 and 62 connected to the seat cushion 21, as shown in the configuration example in Figures 2 and 3.

[0019] An example of the configuration of the sliding mechanism of the seat cushion 21 is shown in FIGS. 2, the seat cushion 21 moves upward in the vehicle cabin when moving forward in the vehicle cabin. As shown in the figure, the rear seat 20 of this embodiment is provided with a pair of left and right fixed rails 23 below the seat cushion 21, which are fixed to the floor F of the vehicle cabin 10 and extend in the fore-and-aft direction of the vehicle cabin.

[0020] As shown in Figure 2, in the rear seat 20 of this embodiment, a link support portion 24 that pivots the lower end of the front link 61 is provided on the front side of a pair of left and right fixed rails 23, and a link support portion 25 that pivots the lower end of the rear link 62 is provided on the rear side of each fixed rail 23. Side frames 26 that support the seat cushion 21 are attached to the pivotal portions at the upper ends of the links 61, 62 at the front and rear of the vehicle cabin, and seat backs 22 are connected to the left and right side frames 26 via reclining mechanisms 50 so that the seat backs 22 can be tilted toward the rear of the vehicle cabin.

[0021] A seat slide mechanism 60 including a four-bar link configured to move the seat cushion 21 toward the front of the vehicle cabin is provided on the rear side of the side frame 26. As a result, the seat cushion 21 can be moved toward the front of the vehicle cabin by rotating the front and rear links 61, 62 toward the front of the vehicle cabin, as shown in the figure.

[0022] That is, in the seat slide mechanism 60 of this embodiment, the operation of the operating lever 70 operates the interlocking link 51, which in turn swings the four-bar link of the seat slide mechanism 60. As a result, the entire seat cushion 21 can move toward the front of the vehicle cabin, as shown in the drawing, along a swing path centered on the pivot part on the lower side of the four-bar link.

[0023] In contrast, in the configuration example of the seat cushion 21 shown in Fig. 3, the seat cushion 21 is configured to move downward in the vehicle cabin when it moves forward in the vehicle cabin. As shown in the figure, the seat back 22 and the seat cushion 21 are connected by an interlocking link 51 including links 51a and 51b configured to interlock with each other. In the seat slide mechanism 60 shown in the figure, when the seat back 22 reclines, the seat cushion 21 is pushed diagonally forward in the vehicle cabin by a four-bar link including links 61 and 62 connected to the seat cushion 21. Note that other configurations are the same as those in Figure 2, and therefore corresponding explanations will be omitted.

[0024] Next, the effects of the pickup truck 100 of this embodiment will be described. As described above, in the pickup truck 100 of this embodiment, the seat back 22 of the rear seat 20 is configured to be reclined toward the rear of the passenger compartment 10, and as the seat back 22 is reclined, the seat cushion 21 of the rear seat 20 moves toward the front of the passenger compartment 10, and the upper portion 12 of the back panel 11 moves toward the rear of the passenger compartment 10.

[0025] As a result, according to the pickup truck 100 of this embodiment, even in the pickup truck 100 having the partition wall 31 of the cargo bed 30 behind the back panel 11 at the rear of the passenger compartment 10, separate from the back panel 11, as shown in Fig. 1, interference between the partition wall 31 of the cargo bed 30 and the tilting portion 12 of the back panel 11 is prevented. Therefore, a pickup truck with excellent reclining capabilities for the rear seats 20 can be provided [Invention 1].

[0026] In addition, when the seat cushion 21 moves toward the front of the vehicle cabin, the seat cushion 21 can be configured to also move toward the top of the vehicle cabin as it moves toward the front of the vehicle cabin, as shown in Figure 2. This configuration is suitable for ensuring ample space around the feet when reclining [Invention 2]. Furthermore, when the seat cushion 21 moves toward the front of the vehicle cabin, the seat cushion 21 can also be configured to move downward in the vehicle cabin as it moves toward the front of the vehicle cabin, as shown in Figure 3. This configuration is suitable for ensuring a large space on the ceiling side when reclining [Invention 3].

[0027] In addition, as a configuration for moving the back panel 11 toward the rear of the vehicle cabin, as shown in Figure 1, the tilting portion 12, which is the upper part of the back panel 11 that can move toward the rear of the vehicle cabin, can be configured so that only the tilting portion 12 tilts toward the rear of the vehicle cabin around a lower end pivot portion 13 provided at the lower end of the tilting portion 12. With this configuration, the back panel 11 does not intrude into the vehicle interior, which is preferable in terms of avoiding a fight over space in the vehicle interior [Invention 4].

[0028] As described above, according to the pickup truck 100 of this embodiment, a pickup truck with excellent reclining capabilities for the rear seat 20 can be provided. The pickup truck according to the present invention is not limited to the above-described embodiment, and various modifications are possible without departing from the spirit of the present invention.

[0029] For example, in the above embodiment, an example was shown in which the back panel 11 is configured to move rearward in the vehicle interior 10 without entering the vehicle interior 10, but this is not limitative and other configurations may be adopted. Other examples of movement of the back panel 11 are shown below in Figures 4 and 5. 4 shows an example of movement of the back panel 11, in which the back panel 11 moves into the vehicle interior 10. That is, as shown in the figure, the back panel 11 rotates around a mid-way pivot 14 provided in the mid-way portion of the back panel 11, and an upper portion 12 of the back panel 11 (for example, a portion above the upper edge 32 of the partition wall) moves toward the rear of the vehicle interior 10. With this configuration, the lower part of the back panel 11 is recessed into the vehicle interior 10, which is suitable for linking with the movement of the seat cushion 21 toward the front of the vehicle interior [Invention 5].

[0030] 5 shows an example of movement of the back panel 11 in which a portion of the back panel 11 slides toward the rear of the vehicle compartment 10. In other words, as shown in the figure, the upper portion 12 of the back panel 11 (for example, the portion above the upper edge 32 of the partition wall) can be configured as a four-bar link mechanism that moves toward the rear of the vehicle compartment in approximately parallel fashion by upper and lower links 15, 16, both ends of which are pivotally supported. Such a configuration is suitable for opening and closing a part of the back panel 11 by sliding it toward the rear of the vehicle interior 10 [Invention 6].

[0031] Furthermore, for example, the modified examples of the present invention are not limited to the above-described examples, and various modes can be set for the movement of the seat cushion 21 and the back panel 11 when the seat back 22 is reclined. Examples of combinations of movement modes are shown below in Table 1-3.

[0032] [Table 1]

[0033] [Table 2]

[0034] [Table 3]

[0035] Based on the examples shown in Tables 1 to 3 above (corresponding Figures 6 to 8), 275 combinations (= 11 (Table 1 (Figure 6)) x 5 (Table 2 (Figure 7)) x 5 (Table 3 (Figure 8))) can be exemplified (including comparative examples). Figure 6 shows examples ((a) to (k)) of the seat cushion movements corresponding to Table 1. In Figure 6 and Table 1, (a) is an example in which the seat cushion 21 moves both toward the front of the vehicle cabin and toward the top of the vehicle cabin when moving toward the front of the vehicle cabin (see Figure 2 for details), (b) is an example in which the seat cushion 21 moves horizontally toward the front of the vehicle cabin (the height does not change), and (c) is an example in which the seat cushion 21 moves both toward the front of the vehicle cabin and toward the bottom of the vehicle cabin (see Figure 3 for details). As a link mechanism for performing such an operation, a four-bar link can be suitably adopted as shown in Figures 2 and 3. A well-known lifter mechanism can also be combined. The seating surface length of the seat cushion 21 can also be made variable.

[0036] 6(d), (e), and (f), there may be other configurations (comparisons to the present invention) in which the seat cushion 21 does not move in the fore-and-aft direction of the vehicle cabin. (d) is a comparison example in which the seat height of the seat cushion 21 increases when the vehicle is reclined, (e) is a comparison example in which the seat height of the seat cushion 21 does not change when the vehicle is reclined, and (f) is a comparison example in which the seat height of the seat cushion 21 decreases when the vehicle is reclined.

[0037] 6(g), (h), and (i), a configuration (comparison example to the present invention) in which the seat cushion 21 moves toward the rear of the vehicle cabin may be used. (g) is a comparison example in which the seat cushion 21 moves toward both the rear and upper parts of the vehicle cabin when moving toward the rear of the vehicle cabin, (h) is a comparison example in which the height of the seat surface of the seat cushion 21 does not change when the seat cushion 21 moves toward the rear of the vehicle cabin, and (i) is a comparison example in which the seat cushion 21 moves toward both the rear and lower parts of the vehicle cabin.

[0038] 6(j) and 6(k), the seat cushion 21 can also be configured to rotate when reclined. (j) is an example in which the seat cushion 21 rotates around a predetermined rotation center, and (k) is an example in which the seat cushion 21 rotates around a virtual center.

[0039] Also, examples of the operation of the back panel corresponding to Table 2 ((a) to (e)) are shown in FIG. 7 and Table 2, the back panel 11 according to the present invention can be configured so that part or all of the back panel 11 can be moved toward the rear of the vehicle cabin. In addition, the movement toward the rear of the vehicle cabin can be configured to be rotational, translational, or a combination of these.

[0040] Specifically, the example in Figure 7(a) is a configuration example in which the tilting section 12, as part of the back panel 11, can be moved rearward by rotating at a lower end pivoting section 13 at the lower end of the tilting section 12 (see Figure 1 for details). In this figure, the lower end pivoting section 13 is provided at a position higher than the upper edge 32 of a partition wall 31 of a loading platform 30 behind the back panel 11.

[0041] The example in (b) is an example in which the entire back panel 11 is configured to be movable toward the rear of the vehicle cabin. As shown in (b), a pivotal support part 14 is provided in the middle of the back panel 11, and the back panel can be moved rearward by rotating at the pivotal support part 14 (see FIG. 4 for details). In (b), the intermediate pivot support portion 14 is also provided at a position higher than the upper edge 32 of the partition wall. Also, Fig. 7(c) shows an example in which the lower end pivot support portion 13 is provided at a position lower than the upper edge 32 of the partition wall, and Fig. 7(d) shows an example in which the intermediate pivot support portion 14 is provided at a position lower than the upper edge 32 of the partition wall.

[0042] 7(e) shows an example in which the upper portion 12s of the back panel 11 is configured as a separate component, and the rear portion of the vehicle interior 10 and the upper portion 12s are connected by upper and lower links 15, 16 to form a four-bar link mechanism (see FIG. 5 for details). With this configuration, the four-bar link mechanism allows the upper portion 12s to slide substantially parallel to the rear of the vehicle interior 10.

[0043] Next, examples ((a) to (e)) of the lock mechanism 92 of the back panel 11 corresponding to Table 3 are shown in FIG. 8 and Table 3 show examples in which the locking mechanism 92 can be individually operated manually or electrically, or in conjunction with a combination of these. In other words, the movement of the seat cushion 21 can be configured to be slidable in accordance with the electric power seat or manual operation, and the locking mechanism 92 can be operated in conjunction with the movement of the seat cushion 21, or can be operated individually electrically or manually without being linked.

[0044] Specifically, the example in Fig. 1(a) is an example in which the locking mechanism 92 is individually electrically driven, the example in Fig. 1(b) is an example in which the locking mechanism 92 is operated via the wire 71 by operating the operating lever 70 in an individual operation, and the example in Fig. 1(c) is an example in which the locking mechanism 92 is directly operated by the operating lever 70 in an individual operation. The example (d) is a configuration example in which the locking mechanism 92 is electrically interlocked, in which a signal is transmitted to the switch 80 via the harness 90, and the locking mechanism 92 is actuated by the drive of the drive unit 91. The example (e) is a configuration example in which the locking mechanism 92 is mechanically interlocked, in which the operation is transmitted to the operating lever 70 via the wire 71, and the locking mechanism 92 is actuated.

[0045] As shown above in Tables 1-3 and Figures 6-8, in the pickup truck 100 of this embodiment, for example, it is preferable that the upper portion 12 of the back panel 11 (e.g., the portion above the upper edge 32 of the partition wall) can be tilted independently about the lower end pivot portion 13 provided at the lower end of the upper portion 12 and moved toward the rear of the vehicle compartment even when the seat back 22 of the rear seat 20 is not reclined. With this configuration, the upper portion 12 of the back panel 11 can be used as a loading surface for placing luggage, etc. [Invention 7].

[0046] In addition, in the configuration examples shown in Tables 1-3 and Figures 6-8 above, for example, when reclining the rear seat 20, first, the operating lever 70 of the seat back 22 shown in Figure 1 is manually tilted toward the switch 80, and an activation signal generated by pressing the switch 80 activates a well-known electric reclining mechanism (not shown), causing the seat back 22 to recline toward the rear of the vehicle cabin. Furthermore, when the seat back 22 is reclined by the reclining mechanism 50, the interlocking link 51 connected to the seat cushion 21, as shown in Figures 2 and 3, allows the seat slide mechanism 60 to push the seat cushion 21 toward the front of the vehicle cabin.

[0047] At the same time, if the configuration example of Figure 8(a) is adopted, when the switch 80 is pressed in response to the tilting of the operating lever 70, a signal can be output to the drive unit 91 of the locking mechanism 92 via the harness 90. This opens the striker 44, releasing the latch 45, unlocking the roof portion of the passenger compartment 10 and the tilting portion 12 at the top of the back panel 11, allowing the tilting portion 12 to be moved toward the rear of the passenger compartment around the pivot point of the hinge 18 at the lower end of the tilting portion 12.

[0048] Also, for example, by operating the switch 80, the seat back 22 of the rear seat 20 can be configured to be electrically reclined, and the locked state of the back panel 11 can be electrically released. With this configuration, when the switch 80 is pressed, the seat back 22 of the rear seat 20 is electrically reclined, and the signal from the pressed switch 80 is transmitted via the harness 90 to a drive unit 91 provided in the roof portion of the passenger compartment 10, thereby electrically releasing the lock on the roof portion [Invention 8].

[0049] Furthermore, in the pickup truck 100 of this embodiment, for example, the seat back 22 of the rear seat 20 can be configured to be manually reclined in response to manual operation of the operating lever 70, and the locking mechanism 92 of the back panel 11, which is mechanically connected to the operating lever 70, can be linked to release the locked state. With this configuration, when the operating lever 70 is manually operated, the wire 71 is pulled as the operating lever 70 rotates, and the pulling action of the wire 71 linked to the operating lever 70 is transmitted to the roof portion, mechanically releasing the lock on the roof portion [Invention 9].

[0050] Furthermore, in the pickup truck 100 of this embodiment, for example, the seat switch 80 is pressed in response to manual operation of the operating lever 70, thereby making it possible to electrically recline the seat back 22 of the rear seat 20, and also to mechanically interlock and release the locking mechanism 92 of the back panel 11, which is mechanically coupled to the operating lever 70. With this configuration, when the operating lever 70 is manually operated, the switch 80 is pressed, electrically reclining the seat back 22, and the pulling action of the wire 71 linked to the operating lever 70 is transmitted to the roof portion, mechanically releasing the lock on the roof portion [Invention 10].

[0051] Furthermore, in the pickup truck 100 of this embodiment, for example, the seat back 22 of the rear seat 20 can be configured to be manually reclined by manually operating the operating lever 70, and the locking mechanism 92 of the back panel 11 can be configured to be electrically releasable. With this configuration, the seat back 22 of the rear seat 20 can be mechanically reclined by manually operating the operating lever 70. Then, the manual operation of the operating lever 70 presses the switch 80, and the signal from the pressed switch 80 is transmitted via the harness 90 to the drive unit 91 provided in the roof portion, thereby electrically releasing the lock in the roof portion [Invention 11]. [Explanation of symbols]

[0052] 10 Cabin 11 Back Panel 12 Tilt section (upper part of back panel) 13 Lower end pivot 14 Central Branch 15 Links 16 Links 17 Panel base 18 Hinge 19 Cover member 20 Rear seats 21 Seat cushion 22 Seat back 23 Fixed rail 24, 25 Link support 26 Side frame 30 Cargo bed 31 Bulkhead 32 Upper edge of bulkhead 41 Frame 42 Window 43 Sealing material 44 Striker 45 Latch 50 Reclining mechanism 51 Related Links 60 Seat slide mechanism 61 Previous Link 62 Next Link 70 Operating lever (lever) 71 Wire 80 Switch 90 Harness 91 Drive unit 92 Locking mechanism 100 pickup truck F Floor

Claims

1. A pickup truck having a cargo bed bulkhead behind a back panel at the rear of the passenger compartment, separate from the back panel, The rear seat in front of the back panel is configured so that the seat back of the rear seat can be reclined rearward, and as the seat back is reclined, the seat cushion of the rear seat moves toward the front of the vehicle cabin and an upper portion of the back panel can move toward the rear of the vehicle cabin.

2. 2. The pickup truck according to claim 1, wherein the seat cushion also moves upward in the vehicle cabin when moving toward the front of the vehicle cabin.

3. 2. The pickup truck according to claim 1, wherein the seat cushion also moves downward in the vehicle cabin when moving toward the front of the vehicle cabin.

4. The pickup truck according to any one of claims 1 to 3, wherein the upper portion of the back panel is configured so that only the upper portion tilts rearwardly in the vehicle cabin about a lower end pivot portion provided at a lower end of the upper portion.

5. The pickup truck according to any one of claims 1 to 3, wherein the back panel rotates around a mid-portion provided in a mid-portion of the back panel, and an upper portion of the back panel moves to protrude rearward of the vehicle compartment.

6. 4. The pickup truck according to claim 1, wherein an upper portion of the back panel moves rearward in the vehicle cabin by pivoting a link using a hinge.

7. 5. The pickup truck according to claim 4, wherein the upper portion of the back panel is tiltable about the lower end pivot portion and movable toward the rear of the vehicle compartment even when the seat back of the rear seat is not reclined.

8. The rear seat is configured to be electrically reclined by operating a switch, 2. The pickup truck according to claim 1, wherein the back panel is configured so that the locked state of the posture of the back panel can be electrically released.

9. The rear seat is configured to be manually reclined by operating a lever, 2. The pickup truck according to claim 1, wherein the back panel is configured so that the locked state of the posture of the back panel can be mechanically released by a locking mechanism mechanically coupled to the lever.

10. The rear seat is configured to be electrically reclined when a switch of the rear seat is pressed in response to manual operation of a lever, 2. The pickup truck according to claim 1, wherein the back panel is configured so that the locked state of the posture of the back panel can be mechanically released by a locking mechanism mechanically coupled to the lever.

11. The rear seat is configured to be manually reclined by operating a lever, The pickup truck according to claim 1 , wherein the back panel is configured so that the locked state of the posture of the back panel can be electrically released.

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