Triangular display board

The triangular display board automatically deploys on a vehicle using elastic members and locking mechanisms, addressing the need for manual installation by enabling safe, autonomous deployment.

JP2025154708AInactive Publication Date: 2025-10-10TOYOTA JIDOSHA KK
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Patent Information

Application Number
JP2024057856
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Filing Date
2024-03-29
Publication Date
2025-10-10
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

Existing warning triangles require manual deployment, which can be dangerous or impossible when the driver is unable to exit the vehicle.

Method used

A triangular display board mounted on a vehicle with elastic members and locking mechanisms that allow automatic deployment, enabling the triangle to unfold or deploy without human intervention.

Benefits of technology

Enables the warning triangle to be installed automatically, even when a person is unable to work outside the vehicle, enhancing safety by preventing accidents when the vehicle is stationary.

✦ Generated by Eureka AI based on patent content.

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  • Figure 2025154708000001_ABST
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Abstract

To provide a triangular display board capable of being installed even when a person cannot work outside a vehicle.SOLUTION: A triangular display board 1 includes a first display member 10, a second display member 20, a third display member 30, an elastic member 50 and a locking member 60. The elastic member 50 makes an elastic force act so as to separate a non-connected end between the first display member 10 and the second display member 20 in the turning direction. The third display member 30 forms three sides of a triangle with the first display member 10 and the second display member 20 when the first display member 10 and the second display member 20 are separated in the turning direction. The locking member 60 is mounted so as to prevent the non-connected end between the first display member 10 and the second display member 20 from being separated in the turning direction by an elastic force in a state that the triangular display board 1 is folded. The first display member 10 and the second display member 20 are turned so as to be separated due to that the locking member 60 is removed, and the triangular display board 1 is expanded.SELECTED DRAWING: Figure 1
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Description

[Technical Field]

[0001] The present disclosure relates to warning triangles. [Background technology]

[0002] As described in Patent Document 1, a warning triangle is known that slides and unfolds on a rear spoiler to display information. Also, as described in Patent Document 2, a warning triangle is known that is made up of two support members and a connecting member, and that folds so that the connecting members overlap with the support members. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Publication No. 8-48186 [Patent Document 2] Utility Model Registration No. 3202422 Summary of the Invention [Problem to be solved by the invention]

[0004] The warning triangles described in Patent Documents 1 and 2 both need to be deployed manually. Even when the driver is not present or it is dangerous for the driver to exit the vehicle, the warning triangle must still be installed.

[0005] The purpose of the present disclosure, made in consideration of such circumstances, is to enable installation of a warning triangle even when a person is unable to work outside the vehicle. [Means for solving the problem]

[0006] A triangular display board according to one embodiment of the present disclosure is mounted on a vehicle. The triangular display board includes a first display member, a second display member, and a third display member, each corresponding to one of three sides of a triangle; an elastic member that applies an elastic force between the first display member and the second display member; and a locking member that locks the first display member and the second display member together to prevent them from moving relative to each other using the elastic force of the elastic member. The first display member and the second display member are plate-shaped members having a connected end that is rotatably connected to each other and an unconnected end opposite the connected end. The elastic member applies an elastic force so that the unconnected ends of the first display member and the second plate-shaped member move apart in the rotational direction. The third display member is connected to the unconnected ends of the first display member and the second display member, and forms three sides of a triangle together with the first display member and the second display member when the unconnected ends of the first display member and the second display member move apart in the rotational direction. The locking member is attached so as to lock the first and second display members together when the warning triangle is folded, preventing the unconnected ends of the first and second display members from moving apart in the rotational direction. When the locking member is released, the unconnected ends of the first and second display members rotate apart, and the warning triangle is unfolded. [Effects of the Invention]

[0007] According to an embodiment of the warning triangle of the present disclosure, the warning triangle can be installed even when a person is unable to work outside the vehicle. [Brief explanation of the drawings]

[0008] [Figure 1] 1 is a schematic diagram illustrating a configuration example of a warning triangle according to the present disclosure in a folded state. FIG. [Figure 2] 1 is a schematic diagram showing a configuration example of a warning triangle according to the present disclosure in an unfolded state; [Figure 3] 1A and 1B are schematic diagrams showing examples of the configuration of a triangular display panel having a tetrahedron structure. DETAILED DESCRIPTION OF THE INVENTION

[0009] 1, a display triangle 1 according to an embodiment of the present disclosure includes a first display member 10, a second display member 20, a third display member 30, an elastic member 50, and a locking member 60. The first display member 10 and the second display member 20 are plate-shaped members. The third display member 30 is a flexible or foldable member.

[0010] The first display member 10 has a first end 11 and a second end 12. The second display member 20 has a third end 21 and a fourth end 22. The first end 11 of the first display member 10 and the third end 21 of the second display member 20 are rotatably connected to each other by a pivot portion 52. The first end 11 and the third end 21 are also referred to as connected ends. The second end 12 of the first display member 10 and the fourth end 22 of the second display member 20 are ends opposite the connected ends and are also referred to as non-connected ends. Both ends of the third display member 30 are connected to the non-connected ends of the first display member 10 and the second display member 20.

[0011] The elastic member 50 is located between the first display member 10 and the second display member 20 and applies an elastic force to move the first display member 10 and the second display member 20 apart in the rotation direction. In the example shown in FIG. 1 , the elastic member 50 is a compression coil spring, but it may be replaced with a torsion coil spring that generates an elastic force acting in the rotation direction at the rotation portion 52. The elastic member 50 is not limited to these examples and may be configured in various other ways as long as it applies an elastic force to move the first display member 10 and the second display member 20 apart in the rotation direction. Furthermore, the elastic member 50 may be replaced with another member as long as it can apply a force to move the first display member 10 and the second display member 20 apart in the rotation direction.

[0012] The locking member 60 locks the first display member 10 and the second display member 20 together by the elastic force exerted by the elastic member 50, preventing the first display member 10 and the second display member 20 from moving relative to each other. In other words, the locking member 60 is attached so as to prevent the unconnected ends of the first display member 10 and the second display member 20 from separating in the rotational direction. The state shown in FIG. 1 in which the first display member 10 and the second display member 20 are locked by the locking member 60 corresponds to the folded state of the warning triangle 1. The locking member 60 may be configured as, for example, a pin. The locking member 60 may also be configured as a clamp. The locking member 60 may be configured in various other ways as long as it can lock the first display member 10 and the second display member 20 together. The locking member 60 may be configured to be released by moving at least a portion of it in a predetermined direction. The locking member 60 may be configured to be released by receiving an external force such as an impact.

[0013] The warning triangle 1 is mounted on the vehicle in a folded state. The vehicle may be provided with a storage section for storing the warning triangle 1. The vehicle may mount the warning triangle 1 in a position where the warning triangle 1 in the folded state is visible from outside the vehicle. The warning triangle 1 may be configured so that the first display member 10 and the second display member 20 overlap in the folded state to appear as a single reflector. The vehicle may mount the warning triangle 1 in a position where it can be used as a reflector in the folded state.

[0014] When the locking member 60 is released from the display triangle 1 in the folded state shown in Fig. 1, the elastic force of the elastic member 50 causes the unconnected ends of the first display member 10 and the second display member 20 to move apart in the rotation direction, as shown in Fig. 2. The state shown in Fig. 2, in which the unconnected ends of the first display member 10 and the second display member 20 move apart in the rotation direction, is the unfolded state of the display triangle 1. When the display triangle 1 is unfolded, the third display member 30 unfolds to connect the unconnected ends of the first display member 10 and the second display member 20, and together with the first display member 10 and the second display member 20, forms three sides of a triangle.

[0015] The warning triangle 1 may be deployed while mounted on a vehicle. If the locking member 60 is configured to be released by moving at least a portion of the locking member 60 in a predetermined direction, and the warning triangle 1 is deployed while mounted on a vehicle, the warning triangle 1 may further include a drive unit that moves the locking member 60 in the predetermined direction to release it. The vehicle may also include a drive unit that moves the locking member 60 in the predetermined direction to release it. The drive unit may operate in response to an operation signal from a vehicle occupant, such as the driver or a passenger. The drive unit may operate in response to a stop signal due to a vehicle problem. The drive unit may operate in response to various control signals, without being limited to these examples.

[0016] When the warning triangle 1 falls from the vehicle, the impact of the fall may cause the locking members 60 to come off, causing the warning triangle 1 to unfold on the road surface, etc. In other words, the locking members 60 may be configured to come off due to the impact of falling from the vehicle.

[0017] The vehicle may be equipped with a dropping unit for dropping the warning triangle 1 onto the road surface or the like. The warning triangle 1 may be deployed by the impact of being dropped from the vehicle and falling onto the road surface or the like. The dropping unit may be configured to allow the warning triangle 1 to fall naturally from the vehicle. The dropping unit may be configured to drop the warning triangle 1 from the vehicle by opening a storage unit that stores the warning triangle 1. The dropping unit may be configured to drop the warning triangle 1 from the vehicle by firing it from the vehicle. The dropping unit may operate in response to an operation signal from a vehicle occupant, such as the driver or a passenger. The dropping unit may operate in response to a stop signal due to a vehicle problem. The dropping unit may operate in response to various control signals, without being limited to these examples.

[0018] The warning triangle 1 may further include a release unit that applies a repulsive force to the vehicle so that the warning triangle 1 releases itself from the vehicle. The release unit may operate in response to an operation signal from a vehicle occupant, such as the driver or a passenger. The release unit may also operate in response to a stop signal due to a vehicle problem. The release unit is not limited to these examples and may operate in response to various control signals.

[0019] 2, the warning triangle 1 performs a display function stipulated by laws, regulations, etc., to notify other vehicles that the vehicle has stopped. The first, second, and third warning triangles 10, 20, and 30 may be made of reflective or luminous materials so that they are easily visible to other vehicles.

[0020] The warning triangle 1 is configured to stand upright when unfolded so that it can be seen by other vehicles. The first warning triangle 10 may be provided with a stand that allows the unfolded warning triangle 1 to stand upright. The first warning triangle 10 may be made of a heavier material than the second warning triangle 20 so that the stand of the first warning triangle 10 comes into contact with the road surface or the like.

[0021] The third display member 30 may be in a folded or rolled state when the warning triangle 1 is folded. The third display member 30 may be configured to contract when the warning triangle 1 is folded and expand when the warning triangle 1 is unfolded. The third display member 30 may restrict the rotational movement of the first display member 10 and the second display member 20 so that the unconnected ends of the first display member 10 and the second display member 20 do not become separated by more than a predetermined distance when the warning triangle 1 is unfolded. The predetermined distance may be the same as the length of the first display member 10 and the second display member 20 so that the warning triangle 1 forms an equilateral triangle when unfolded. The third display member 30 may be configured in a cloth-like, ribbon-like, belt-like, string-like, or other form.

[0022] 3, a display triangle 2 according to another embodiment further includes a fourth display member 40. The fourth display member 40 has a fifth end 41 and a sixth end 42. In the example of FIG. 3, the fourth display member 40 is connected to a rotation portion 52 at the fifth end 41 together with the first end 11 of the first display member 10 and the third end 21 of the second display member 20, and is rotatably connected to each of the first display member 10 and the second display member 20.

[0023] 3, the display triangle 2 includes an elastic member that applies an elastic force to the first display member 10, the second display member 20, and the fourth display member 40 at the rotation portion 52 so that the first display member 10, the second display member 20, and the fourth display member 40 move apart in the rotation direction. The elastic member may be installed between the first display member 10, the second display member 20, and the fourth display member 40, respectively.

[0024] The third display member 30 connects not only between the second end 12 of the first display member 10 and the fourth end 22 of the second display member 20, but also between the sixth end 42 of the fourth display member 40 and each of the second end 12 of the first display member 20 and the fourth end 22 of the second display member 20.

[0025] When the triangular display board 2 is folded, the first display member 10, the second display member 20, and the fourth display member 40 are locked by a locking member 60 so that they do not separate in the rotation direction. When the locking member 60 is released, the triangular display board 2 unfolds as shown in Figure 3. The triangular display board 2 in the unfolded state of Figure 3 has a tetrahedron shape. The first display member 10, the second display member 20, the third display member 30, and the fourth display member 40 correspond to each side of the tetrahedron. The triangular display board 2 can easily stand up because it is a tetrahedron.

[0026] As described above, the fourth display member 40 may be connected to the connection end of the first display member 10 and the second display member 20, or may be connected to the non-connection end of the first display member 10 or the second display member 20. In other words, when the first end 11 of the first display member 10 and the third end 21 of the second display member 20 are rotatably connected, the sixth end 42 of the fourth display member 40 may be rotatably connected to either the second end 12 of the first display member 10 or the fourth end 22 of the second display member 20. In this case, the rotation portion 52 is located at two locations: a portion connecting the first end 11 of the first display member 10 and the third end 21 of the second display member 20, and a portion connecting the sixth end 42 of the fourth display member 40 and either the second end 12 of the first display member 10 or the fourth end 22 of the second display member 20.

[0027] As described above, the warning triangle 1 or 2 according to the present disclosure can be deployed without manual human intervention to function as a display indicating that the vehicle has stopped. Because it can be deployed without manual human intervention, the warning triangle 1 or 2 can be installed even when there is no driver in the vehicle, i.e., even in an autonomous vehicle. The warning triangle 1 or 2 can also be installed even when the driver or passengers, etc., are unable to get out of the vehicle. In other words, there is no need for a human to go outside the vehicle to install the warning triangle 1 or 2. By not requiring a human to go outside the vehicle to install the warning triangle 1 or 2, accidents occurring when the vehicle is stationary can be prevented.

[0028] Although the embodiments of the present disclosure have been described based on the drawings and examples, it should be noted that those skilled in the art can make various modifications and alterations based on the present disclosure. Therefore, it should be noted that these modifications and alterations are included in the scope of the present disclosure. For example, the functions included in each means or step can be rearranged so as not to be logically inconsistent, and multiple means or steps can be combined or divided into one. [Explanation of symbols]

[0029] 1, 2 Triangular display board 10 first display member (11: first end, 12: second end) 20 second display member (21: third end, 22: fourth end) 30 Third display member 40 fourth display member (41: fifth end, 42: sixth end) 50 Elastic member 52 Rotating part 60 Locking member

Claims

[Claim 1] A triangular warning sign mounted on a vehicle, a first display member, a second display member, and a third display member corresponding to three sides of the triangle, respectively; an elastic member that applies an elastic force between the first display member and the second display member; a locking member that locks the first display member and the second display member together so that the first display member and the second display member do not move relative to each other due to the elastic force of the elastic member; Equipped with the first display member and the second display member are plate-like members having a connection end rotatably connected to each other and a non-connection end opposite the connection end, the elastic member applies an elastic force to the first display member and the second display member so that the unconnected ends of the first display member and the second display member move apart in a rotation direction; the third display member is connected to the unconnected ends of the first display member and the second display member, and forms three sides of a triangle together with the first display member and the second display member when the unconnected ends of the first display member and the second display member are separated in a rotation direction; the locking member is attached so as to lock the first display member and the second display member together when the triangular display plate is folded, thereby preventing the unconnected ends of the first display member and the second display member from separating in a rotational direction; When the locking member is released, the unconnected ends of the first and second display members rotate away from each other, and the triangular display plate is expanded. Triangular display board.

Citation Information

Patent Citations

  • Triangular display board unit for automobile

    JP1996048186A

  • Improved structure of the triangular display board

    JP3202422U