Hammock device for vehicle

The hammock device extends deployment within the vehicle cabin by utilizing a tiltable seatback and sliding seats, enhancing usability and space efficiency.

JP2025142933APending Publication Date: 2025-10-01NHK SPRING CO LTD
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Patent Information

Application Number
JP2024042566
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Filing Date
2024-03-18
Publication Date
2025-10-01

AI Technical Summary

Technical Problem

Existing hammock devices for vehicles do not allow for extended deployment within the vehicle cabin, limiting their usability for longer periods.

Method used

A hammock device that utilizes a vehicle seat with a tiltable seatback and a forward tilt holding mechanism, allowing the hammock to be hung in the front-to-rear direction, and optionally includes a vehicle body-side locking member for additional support, with the option to expand the deployment area by sliding seats and using a vehicle body fastening point.

Benefits of technology

Enables the hammock to be deployed for a longer duration within the vehicle, providing a flatter sleeping surface and allowing for increased space utilization.

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Abstract

To provide a hammock device that can make longer deployment of a hammock in a cabin.SOLUTION: A hammock device 10 for vehicle comprises a front seat 12 including a seat cushion 12A for supporting a hip of a seated crewman from a lower side, a seat back 12B which supports a back part of the seated crewman from a rear side, and is so supported as to be tiltable in a cross direction, and a forward tilt supporting part 20 which holds an attitude of the seat back in the state of being tilted to a front side with respect to an angle capable of supporting the back part of the seated crewman. Further, the hammock device 10 for vehicle comprises a hammock 16 which is formed into a long shape by use of a sheet-like component, of which an end on one side in a longer direction is locked to the seat back 12B, and which is hung in the cross direction in a cabin 18 on a rear side of the front seat 12.SELECTED DRAWING: Figure 1
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Description

[Technical Field]

[0001] The present invention relates to a hammock device for a vehicle. [Background technology]

[0002] The following Patent Documents 1 and 2 disclose hammock devices that can be used in vehicles. One end of the hammock (vehicle resting device) of the hammock device described in Patent Document 1 is fastened to a headrest stay of the front seat of the vehicle, and the other end of the hammock is fastened to the rear seat of the vehicle. This makes it possible for the legs of an occupant seated in the rear seat of the vehicle to be supported by the hammock. Also, the following Patent Document 2 describes one end of the hammock of the hammock device that is fastened to the rear seat of the vehicle, and the other end of the hammock is fastened to the back door that is deployed toward the rear of the vehicle. This makes it possible for the body of an occupant seated in the rear seat of the vehicle to be supported by the hammock. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Publication No. 2022-179152 [Patent Document 2] Jikko No. 60-56329 Summary of the Invention [Problem to be solved by the invention]

[0004] However, depending on the application when a vehicle occupant uses a hammock, it may be desirable for the hammock to be deployed for a longer period of time within the vehicle cabin. However, the hammock devices described in Patent Documents 1 and 2 above have room for improvement in this regard.

[0005] SUMMARY OF THE INVENTION In consideration of the above, an object of the present invention is to provide a hammock device that can extend the length of a hammock in a vehicle interior. [Means for solving the problem]

[0006] The vehicle hammock device of the first aspect comprises a vehicle seat including a seat cushion that supports the buttocks of a seated occupant from below, a seat back that supports the back of the seated occupant from the rear side and is supported so that it can tilt in the fore-and-aft direction, and a forward tilt holding portion that maintains the position of the seat back in a state where it is tilted forward to an angle that can support the back of the seated occupant, and a hammock that is formed in an elongated shape using a sheet-like member, one end of which in the longitudinal direction is engaged with the seat back, and is hung in the fore-and-aft direction within the vehicle compartment behind the vehicle seat.

[0007] In the vehicle hammock device of the first aspect, the seatback of the vehicle seat can be tilted forward, and the forward tilt holding portion can maintain the seatback in a state tilted forward relative to an angle that can support the back of a seated occupant. The hammock is then hung in the front-to-rear direction in the vehicle cabin behind the vehicle seat with one longitudinal end portion thereof engaged with the seatback of the vehicle seat. With this configuration, the dimension of the space in the vehicle cabin behind the vehicle seat where the hammock is hung can be increased in the front-to-rear direction compared to a configuration in which the seatback cannot be maintained in a state tilted forward relative to an angle that can support the back of a seated occupant. This allows the hammock to be deployed for a longer distance in the vehicle cabin.

[0008] The vehicle hammock device of the second aspect is the vehicle hammock device of the first aspect, in which a second vehicle seat is provided on the rear side of the vehicle seat, the second vehicle seat including a seat cushion that supports the buttocks of the seated occupant from below, and a seat back that supports the back of the seated occupant from the rear and is supported so as to be tiltable in the fore-and-aft direction, and the other longitudinal end of the hammock is engaged with the seat back of the second vehicle seat.

[0009] In the vehicle hammock device of the second aspect, the hammock is hung in the front-to-rear direction in the passenger compartment behind the vehicle seat, with one longitudinal end of the hammock fastened to the seat back of the vehicle seat and the other longitudinal end fastened to the seat back of a second vehicle seat. In this configuration, the front-to-rear dimension of the space in the passenger compartment behind the vehicle seat where the hammock is hung can be expanded by tilting the seat back of the second vehicle seat rearward.

[0010] A vehicle hammock device of a third aspect is the vehicle hammock device of the second aspect, wherein the vehicle seat and the second vehicle seat are supported so as to be slidable in the front-rear direction.

[0011] In the vehicle hammock device of the third aspect, by sliding the vehicle seat forward and also sliding the second vehicle seat rearward, the dimension in the front-to-rear direction of the space in the vehicle interior behind the vehicle seat where the hammock is hung can be expanded.

[0012] The fourth aspect of the vehicle hammock device is the vehicle hammock device of the first aspect, further comprising a vehicle body side locking member attached to the vehicle body side, and the other longitudinal end of the hammock is locked to the vehicle body side locking member.

[0013] In the fourth aspect of the vehicle hammock device, the hammock is hung in the front-to-rear direction in the passenger compartment behind the vehicle seat, with one longitudinal end of the hammock fastened to the seat back of the vehicle seat and the other longitudinal end fastened to a vehicle body fastening member attached to the vehicle body. In this configuration, the other longitudinal end of the hammock can be supported by the vehicle body via the vehicle body fastening member.

[0014] A fifth aspect of the vehicle hammock device is the vehicle hammock device of any one of the first to fourth aspects, wherein the hammock is storable in the seat back of the vehicle seat.

[0015] In the vehicle hammock device of the fifth aspect, the hammock can be stored in the seat back of the vehicle seat when not in use. [Effects of the Invention]

[0016] The vehicle hammock device according to the present invention has the excellent effect of allowing the hammock to be deployed for a longer period of time within the vehicle interior. [Brief explanation of the drawings]

[0017] [Figure 1] 1 is a perspective view showing the interior of a vehicle cabin equipped with a vehicle hammock device according to a first embodiment. [Figure 2] FIG. 2 is a side view schematically showing the left front seat. [Figure 3] 3 is a side view schematically showing the left front seat, showing a state in which the seat back is tilted forward from the state shown in FIG. 2. FIG. [Figure 4] FIG. [Figure 5] 5 is a cross-sectional view showing a cross section of the operation unit taken along line 5-5 shown in FIG. 3, showing a state in which the sliding plate is slid upward. FIG. [Figure 6]1 is a perspective view showing the interior of a vehicle equipped with a vehicle hammock device according to a first embodiment, showing a state in which the seat back is tilted rearward relative to the state shown in FIG. 1. [Figure 7] FIG. 10 is a perspective view showing the interior of a vehicle equipped with a vehicle hammock device according to a second embodiment. [Figure 8] FIG. 10 is a side view schematically showing a front seat provided with a storage section for storing a hammock. DETAILED DESCRIPTION OF THE INVENTION

[0018] (First embodiment) A vehicle hammock device 10 according to a first embodiment of the present invention will be described with reference to Figures 1 to 6. In the drawings, the arrow FR indicates the front side of the seat, the arrow UP indicates the upper side of the seat, the arrow LH indicates the left side in the width direction of the seat, and the arrow RH indicates the right side in the width direction of the seat. In the following description, unless otherwise specified, when referring to front-rear, up-down, and left-right directions, they refer to front-rear in the front-rear direction of the seat, up-down in the up-down direction of the seat, and left-right in the width direction of the seat. Furthermore, the front-rear direction of the seat, up-down in the up-down direction of the seat, and left-right in the width direction of the seat correspond to the front-rear direction of the vehicle, up-down in the up-down direction of the vehicle, and left-right in the width direction of the vehicle, respectively.

[0019] As shown in FIG. 1, the vehicle hammock device 10 of this embodiment includes a front seat 12 serving as a vehicle seat such as a driver's seat or a passenger seat, a rear seat 14 serving as a second vehicle seat arranged rearward of the front seat 12, and a hammock 16 stretched between the front seat 12 and the rear seat 14. The vehicle interior 18 of this embodiment is provided with two front seats 12 arranged side by side in the left-right direction, two rear seats 14 arranged side by side in the left-right direction, and two hammocks 16 stretched between the left front seat 12 and the left rear seat 14, and between the right front seat 12 and the right rear seat 14, respectively. In other words, the vehicle interior 18 of this embodiment is provided with two vehicle hammock devices 10. The two vehicle hammock devices 10 have the same configuration. Therefore, in the following, the vehicle hammock device 10 provided on the left side of the vehicle interior 18 will be described, and a description of the vehicle hammock device 10 provided on the right side of the vehicle interior 18 will be omitted.

[0020] As shown in FIGS. 1, 2, and 3, the front seat 12 includes a seat cushion 12A that supports the seated occupant's buttocks from below, a seatback 12B that supports the seated occupant's back from the rear, and a headrest 12C that supports the seated occupant's head from the rear. The lower end of the seatback 12B is supported by the rear end of the seat cushion 12A so that it can tilt (recline) in the front-rear direction. A reclining mechanism (not shown) is provided on the left side (outside the vehicle width direction) of the lower end of the seatback 12B and the rear end of the seat cushion 12A. Operating this reclining mechanism allows the seatback 12B to tilt in the front-rear direction. When the reclining mechanism is not operated, the seatback 12B can be maintained at a desired angle within a range that can support the seated occupant's back. The front seat 12 is supported on the vehicle floor via a seat slide rail (not shown). This allows the front seat 12 to slide forward and backward. A pair of left and right latching portions 12D, to which the front end of a hammock 16 (described later) is latched, are fixed to both the left and right sides of the upper end of the seat back 12B.

[0021] 2, 3, 4, and 5, a forward tilt holding portion 20 is provided on the right side (inner side in the vehicle width direction) of the lower end of the seat back 12B and the rear end of the seat cushion 12A to hold the seat back 12B in a state where it is tilted forward at an angle that can support the back of a seated occupant. This forward tilt holding portion 20 includes a pin 22 fixed to the seat back 12B side, a latch 24 fixed to the seat back 12B side, and an operating portion 26 connected to the reclining mechanism and the latch 24.

[0022] 2 and 3, the pin 22 is formed, for example, in a cylindrical shape with its axis extending in the left-right direction. The pin 22 is fixed to the lower end of a right side frame that constitutes part of the framework of the seat back 12B. The latch 24 is configured to be able to engage the pin 22, and the latch 24 is fixed to the rear end of the right side frame that constitutes part of the framework of the seat cushion 12A. When the pin 22 moves toward the latch 24 and is engaged with the latch 24, the pin 22 cannot be released from the latch 24. When the latch 24 is released, the pin 22 can be released from the latch 24.

[0023] As shown in FIGS. 4 and 5 , the operation unit 26 includes a base 28 that forms an outer shell of the operation unit 26, and a first button 30, a second button 32, and a slide plate 34 supported by the base 28. A first button arrangement hole 28A that penetrates the base 28 in the left-right direction is formed in an upper portion of the base 28. The first button 30 is supported by the base 28 while being disposed within the first button arrangement hole 28A and while being displaceable in the left-right direction. The first button 30 is connected to the latch 24 (see FIG. 2 , etc.). This allows the latch 24 to be operated by pressing the first button 30. A second button arrangement hole (not shown) that penetrates the base 28 in the left-right direction is formed in a lower portion of the base 28. The second button 32 is supported by the base 28 while being disposed within the second button arrangement hole and while being displaceable in the left-right direction. The second button 32 is connected to the reclining mechanism. This allows the reclining mechanism to be operated by pressing the second button 32. The slide plate 34 is formed in a rectangular plate shape with its longitudinal direction extending vertically. The slide plate 34 is supported on the right end of the base 28 so as to be slidable vertically. A through-hole 34A penetrating the slide plate 34 in the left-right direction is formed in the vertical center of the slide plate 34. A biasing member (not shown) is provided between the slide plate 34 and the base 28. When no external force is applied to the slide plate 34, the through-hole 34A is located between the first button 30 and the second button 32 in a right side view. In this state, the first button 30 and the second button 32 are covered from the right side by an upper portion 34B and a lower portion 34C of the slide plate 34, respectively. In contrast, when the slide plate 34 is slid upward against the biasing force of the biasing member, the first button 30 is exposed through the through-hole 34A formed in the slide plate 34. This makes it possible to operate (press) first button 30 through through-hole 34A formed in slide plate 34. Furthermore, when slide plate 34 is slid downward against the biasing force of the biasing member, second button 32 is exposed through through-hole 34A formed in slide plate 34.This makes it possible to operate (press) second button 32 through through-hole 34A formed in slide plate 34.

[0024] As shown in FIG. 1 , the rear seat 14 has the same configuration as the front seat 12, except that it does not include the forward tilt support portion 20. That is, the rear seat 14 includes a seat cushion 14A that supports the buttocks of the seated occupant from below, a seatback 14B that supports the back of the seated occupant from the rear side, and a headrest 14C that supports the head of the seated occupant from the rear side. The lower end of the seatback 14B is supported by the rear end of the seat cushion 14A so as to be tiltable (reclinable) in the front-rear direction. In addition, a reclining mechanism (not shown) is provided on the left side (outside in the vehicle width direction) of the lower end of the seatback 14B and the rear end of the seat cushion 14A. By operating this reclining mechanism, the seatback 14B can be tilted in the front-rear direction. In addition, when the reclining mechanism is not operated, the seatback 14B can be maintained at a desired angle within a range that can support the back of the seated occupant. The rear seat 14 is supported on the vehicle floor via a seat slide rail (not shown), allowing the rear seat 14 to slide forward and backward. A pair of left and right latching portions 14D, to which the rear end of a hammock 16 (described later) is latched, are fixed to both the left and right sides of the upper end of the seat back 14B.

[0025] The hammock 16 is formed into an elongated shape using a sheet-like member. Specifically, when viewed from above with the hammock 16 unfolded in the front-rear and left-right directions, the hammock 16 has a rectangular shape with the front-rear direction as the longitudinal direction. A pair of left and right locking portions (not shown) are fixed to both left and right ends of the front end of the hammock 16. The left and right ends are respectively locked to a pair of left and right locking portions 12D fixed to the seat back 12B of the front seat 12. Furthermore, a pair of left and right locking portions (not shown) are fixed to both left and right ends of the rear end of the hammock 16. The left and right ends are respectively locked to a pair of left and right locking portions 14D fixed to the seat back 14B of the rear seat 14.

[0026] (Actions and Effects of This Embodiment) Next, the operation and effects of this embodiment will be described.

[0027] As shown in FIG. 1, to use the vehicle hammock device 10 described above, for example, first, the pair of left and right locking portions fixed to the front end of the hammock 16 are locked to the pair of left and right locking portions 12D fixed to the seat back 12B of the front seat 12. Next, the pair of left and right locking portions fixed to the rear end of the hammock 16 are locked to the pair of left and right locking portions 12D fixed to the seat back 14B of the rear seat 14. Next, as shown in FIGS. 1 and 4, the operating unit 26 is operated to operate the reclining mechanism of the front seat 12. That is, the sliding plate 34 is slid downward to press the second button 32 through the through-hole 34A formed in the sliding plate 34. Next, with the second button 32 pressed, the seat back 12B is tilted forward as shown in FIG. 3. When the seat back 12B is tilted forward, the pin 22 moves toward the latch 24 and is locked by the latch 24. This maintains the seat back 12B in a position tilted forward at an angle that can support the back of the seated occupant. Also, as shown in Figure 1, tilting the seat back 12B forward removes slack from the hammock 16. Through the above steps, the hammock 16 is stretched across the front seat 12 and the rear seat 14.

[0028] In this embodiment, the seat back 12B is maintained in a state where it is tilted forward to an angle at which it can support the back of the seated occupant. In this configuration, compared to a configuration in which the seat back 12B cannot be maintained in a state where it is tilted forward to an angle at which it can support the back of the seated occupant, the dimension in the front-to-rear direction of the space in the vehicle interior 18 behind the front seat 12 where the hammock 16 is hung can be increased. This allows the hammock 16 to be deployed over a longer distance in the vehicle interior 18. As a result, the vehicle occupant can sleep in a flatter position on the hammock 16.

[0029] In this embodiment, the hammock 16 is hung between the front seat 12 and the rear seat 14. In this configuration, as shown in Fig. 6, the dimension in the front-to-rear direction of the space in the vehicle interior 18 behind the front seat 12 where the hammock 16 is hung can be expanded by tilting the seat back 14B of the rear seat 14 rearward.

[0030] In addition, in this embodiment, by sliding the front seat 12 forward and the rear seat 14 rearward, the dimension in the front-to-rear direction of the space in the passenger compartment 18 behind the front seat 12 where the hammock 16 is hung can be expanded.

[0031] When the use of the vehicle hammock device 10 is finished, for example, the latch 24 is operated by operating the operating unit 26 as shown in FIGS. 1 to 4. That is, the slide plate 34 is slid upward, and the first button 30 is pressed through the through-hole 34A formed in the slide plate 34. Next, with the first button 30 pressed, the seat back 12B is tilted rearward as shown in FIG. 2. When the seat back 12B is tilted rearward, the pin 22 moves rearward relative to the latch 24, and the pin 22 is released from the latch 24. This causes the seat back 12B to tilt to an angle that can support the back of the seated occupant, and the hammock 16 becomes loose. Next, the hammock 16 is removed from the front seat 12 and the rear seat 14. Using the vehicle hammock device 10 can be finished through the above-described procedures.

[0032] (Second embodiment) Next, a vehicle hammock device 36 according to a second embodiment of the present invention will be described with reference to Figure 7. Note that components and parts of the vehicle hammock device 36 of the second embodiment that correspond to those of the vehicle hammock device 10 of the first embodiment described above will be assigned the same reference numerals as those of the vehicle hammock device 10 of the first embodiment, and their description may be omitted.

[0033] As shown in FIG. 7, the vehicle hammock device 36 of this embodiment has the same configuration as the vehicle hammock device 10, except that it includes a vehicle-side locking member 38 attached to the vehicle body. The vehicle-side locking member 38 is formed in an elongated shape extending in the vehicle width direction. Both left and right ends of the vehicle-side locking member 38 are supported by a pair of left and right support portions (not shown) provided on the vehicle body behind the rear seat 14. The vehicle-side locking member 38 may be detachable from or fixed to the pair of left and right support portions. The vehicle-side locking member 38 also has a pair of left and right latched portions 38A to which a pair of left and right latching portions provided at the rear end of the hammock 16 latch.

[0034] As shown in FIG. 7, to use the vehicle hammock device 36 described above, for example, first, the seat back 14B of the rear seat 14 is folded backward. Note that the headrest 14C (see FIG. 1) of the rear seat 14 may be removed as shown in FIG. 7. Next, the pair of left and right locking portions fixed to the front end of the hammock 16 are locked to the pair of left and right locked portions 12D fixed to the seat back 12B of the front seat 12. Next, the pair of left and right locking portions fixed to the rear end of the hammock 16 are locked to the pair of left and right locked portions 38A provided on the vehicle body locking member 38. Next, the front seat 12 is folded forward in the same manner as in the vehicle hammock device 10 of the first embodiment, and after going through the above procedures, the hammock 16 is suspended between the front seat 12 and the vehicle body locking member 38.

[0035] Here, in the vehicle hammock apparatus 36 of this embodiment, as in the vehicle hammock apparatus 10 of the first embodiment, the dimension in the front-to-rear direction of the space in the vehicle interior 18 behind the front seat 12 in which the hammock 16 is suspended can be expanded. This allows the hammock 16 to be deployed over a longer distance in the vehicle interior 18. Furthermore, in the vehicle hammock apparatus 36 of this embodiment, the rear end of the hammock 16 can be supported on the vehicle body side via a vehicle body-side locking member 38.

[0036] The hammock 16 of the vehicle hammock device 10, 36 of each of the above-described embodiments may be folded and stored in the trunk of the vehicle, etc. Also, for example, as shown in Figure 8, a storage compartment 42 that can be opened and closed by a lid 40 may be provided at the rear of the seat back 12B of the front seat 12, so that the folded hammock 16 can be stored in the storage compartment 42.

[0037] Furthermore, luggage can be placed on or under the hammock 16 of the vehicle hammock devices 10, 36 of the above-described embodiments when sleeping in the vehicle. The hammock 16 can be used not only when it is fully slackened, but also when it is loosely slackened. Furthermore, a single hammock that is wider in the left-right direction than the above-described hammock 16 can be draped between the pair of left and right front seats 12 and the pair of left and right rear seats 14.

[0038] The above describes one embodiment of the present invention, but the present invention is not limited to the above, and it goes without saying that it can be implemented in various other modified forms within the scope of the gist of the present invention. [Explanation of symbols]

[0039] 10. Hammock device for vehicle 12 Front seats (vehicle seats) 12A Seat cushion 12B seat back 14 Rear seat (second vehicle seat) 14A Seat cushion 14B seat back 16. Hammock 20 Forward tilt holding part and 36 Hammock device for vehicle 38 Vehicle body side locking member

Claims

1. a vehicle seat including a seat cushion that supports the buttocks of a seated occupant from below, a seat back that supports the back of the seated occupant from the rear side and is supported so as to be tiltable in the front-to-rear direction, and a forward tilt holding portion that holds the position of the seat back in a state where it is tilted forward at an angle that can support the back of the seated occupant; a hammock formed in an elongated shape using a sheet-like member, one end of which in the longitudinal direction is fastened to the seat back, and which is hung in the front-rear direction in the vehicle compartment behind the vehicle seat; A vehicle hammock device comprising:

2. a second vehicle seat is provided on the rear side of the vehicle seat, the second vehicle seat including a seat cushion that supports the buttocks of the seated occupant from below, and a seat back that supports the back of the seated occupant from the rear and is supported so as to be tiltable in the front-rear direction; 2. The vehicle hammock apparatus according to claim 1, wherein the other longitudinal end of the hammock is anchored to the seat back of the second vehicle seat.

3. 3. The vehicle hammock device according to claim 2, wherein the vehicle seat and the second vehicle seat are supported so as to be slidable in the front-rear direction.

4. Further provided is a vehicle body side locking member attached to the vehicle body side, 2. The vehicle hammock device according to claim 1, wherein the other longitudinal end of the hammock is fastened to the vehicle body-side fastening member.

5. 2. The vehicle hammock device according to claim 1, wherein the hammock is storable in the seat back of the vehicle seat.

Citation Information

Patent Citations

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    JP1985056329U

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