JP2000110122A - Mark device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To contrive sharing on a vehicle and a road by providing a fixed arm detachable from a mark display part and the bed of a truck on a pedestal and specifying the whole weight. SOLUTION: A mark device is composed of a pedestal 1, a mark display part 2 and a fixed arm 3, and the pedestal 1 is formed of a support 4 for attaching the mark display part 2, a power source housing part 5 and an attaching base 6. The arm 3 comprises the frame and flapping of the bed of a truck and detachable fixed arms 3a, 3b, the arm 3a comprises a link mechanism, and the arms 3b comprises a slide mechanism and the link mechanism. A power source housing part 5 can lead out a power source from a leading-out part, and maintainability is improved. Casters 51 are provided on the lower parts of the four corners of the base 6, in addition, slide parts 52 for before and behind are provided on the four corners, and leg parts 54 are height- adjustably provided on the edges. Furthermore, the device weight is made 50-250 kg, and can be loaded to and unloaded from a bed by hand working of several persons. Thereby it can be also used on the bed and on a road.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sign device which is temporarily installed at a road construction site or the like to display road conditions, driving instructions, and the like.

[0002]

2. Description of the Related Art Generally, at a road construction site or the like, a sign device for displaying road conditions, driving instructions and the like is temporarily installed. This sign device is either dedicated to on-vehicle use or only on the road, and includes a sign display unit for displaying road conditions and the like, and a support for fixing the sign display unit.
In the case of the vehicle-dedicated type, the pillars are firmly fixed to the truck bed by bolts, nuts, and welding, and at road construction sites, etc., the above-mentioned truck is parked so that the sign device is installed together with the truck. It has become.
On the other hand, those dedicated to the road are provided with mounting stands for fixing the above-mentioned columns, fixed to the truck bed with ropes and transported to the road construction site, etc., where they are removed from the truck bed and installed. It has become so.

The sign display section displays signs such as "under construction" and "slow", signs with arrows, road signs, and the like. Further, some of the above-mentioned struts are provided with a device for raising and lowering the sign display unit in order to improve the visibility of the sign display unit from a distance.

[0004]

However, in the case of a marking device exclusively for use on a vehicle, the truck is used only as a vehicle exclusively used for the marking device, and cannot be used for other purposes. In addition, since the service life of the truck is shorter than that of the marking device, after a certain period of time, it is necessary to transfer the marking device to a new truck, which requires a complicated operation. On the other hand, in the case of a road marking device, the marking device cannot be used on a truck bed.

The present invention has been made in view of such circumstances, and an object of the present invention is to provide a sign device that can be used in a state where it is mounted on a vehicle or installed on a road.

[0006]

In order to achieve the above object, a sign device according to the present invention comprises: a base mounted on a truck bed; a sign display mounted on the base;
A fixed arm extending laterally from the base, wherein a tip of the fixed arm can be detachably fixed to at least one of a swing and a handle of a truck bed, and the total weight is 50 kg. The configuration is set so as to be 250 kg or less.

That is, the marking device of the present invention includes a fixed arm extending laterally from a base placed on a truck bed, and the distal end of the fixed arm has at least one of a tilt and a handle of the truck bed. It can be detachably fixed to one side, and the total weight is set to be 50 kg or more and 250 kg or less. For this reason, the sign device of the present invention can be manually unloaded and loaded by several adults, and can be used in a state where it is placed on a truck bed or in a state where it is installed on a road. Note that, in the present invention, the term “tilt” refers to a portion of an enclosure of a truck bed, and the term “rail” refers to a frame in front of the truck bed (rear of the cab).

Further, in the marking device of the present invention, the fixed arm has at least one of a slide mechanism and a link mechanism, so that the fixed position of the truck with respect to at least one of the tilt and the take-up can be arbitrarily selected. If so, the marking device can be secured to a bed of various sizes.

Further, in the marking device of the present invention, a member constituting at least one of the sliding mechanism and the link mechanism of the fixed arm is detachable, and instead of this component, the height can be adjusted and the marking device is supported. When the supporting leg to be attached can be attached, the marking device can be stably installed on the road.

In the marker device of the present invention, the base is provided with a drawer that can be pulled out, and when the power is accommodated inside the drawer, maintenance of the power is performed. Becomes better.

Further, in the sign device according to the present invention, an elevating mechanism using a worm gear, a sprocket interlocked with the worm gear, and a chain engaged with the sprocket allows the sign display unit to perform an elevating operation. In such a case, since the worm gear also functions as a brake mechanism, the sign display unit can be stopped and fixed at an arbitrary position, and the weight of the sign display unit that moves up and down is not directly transmitted to the lifting power. Then, the weight and the space occupied by the lifting mechanism can be reduced, and the weight of the marking device can be reduced.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments of the present invention will be described in detail with reference to the drawings.

FIG. 1 to FIG. 8 show an embodiment of the marker device of the present invention. In this embodiment, as shown in FIG. 1, a sign device includes a base 1, a sign display unit 2 mounted on the base 1, and a fixed extending from the base 1 to the front and left and right sides. Arm 3. The base 1 includes two support columns 4 on which the sign display unit 2 is mounted, a power supply storage unit 5 located behind the support columns 4 for storing a generator, a battery, and the like; And a mounting base 6 for fixing the mounting base 5. Further, a rotating light 7a is attached to the upper part of the sign display unit 2, and an illumination light (halogen lamp) 7b
A flashing light 8 is mounted on the upper part of the power supply housing 5. A hook 9 for hooking a rope or the like is provided on a side surface of the support 4.

As shown in FIGS. 2 and 3, the fixed arm 3 is for fixing the marker device to the bed of the truck T, and a fixed arm 3a extending forward is attached to the bed A of the bed of the truck T. Fixed arm 3 that is fixed and extends left and right
b is fixed to the tilt B.

The fixed arm 3a extending forward has a structure shown in FIG.
As shown in FIG. 1, the arm body 21 and the holding body 10 rotatably provided at the tip of the arm body 21 and enabling the fixing. The rear end of the arm 21 is rotatably attached to a horizontal shaft 23 passed between pillars 22 provided at left and right ends in front of the mounting table 6 (see FIG. 1). Have been. As described above, the fixed arm 3a extending forward forms a link mechanism with the rotatable arm body 21 and the rotatable holding body 10 at the tip thereof. For this reason,
The fixed arm 3a extending forward has various heights A
Can be fixed.

More specifically, the fixed arm 3 (3
A holding body 10 as shown in FIG. 5 is provided at the tip of a, 3b). In the holding body 10, a female screw 12 is formed near the center of one surface 11a of two opposing surfaces of a concave strip member 11 having a U-shaped cross section, and a male screw 13 is engaged with the female screw 12. It is configured. A mounting member 14 is provided on the outer surface of the concave member 11 to be rotatably connected to the tip of the fixed arm 3. At the end of the male screw 13, there is provided a plate piece 15 that is idle with respect to the rotation of the male screw 13, and the other surface 11 b of the two opposing surfaces of the concave strip member 11 on which the female screw 12 is not formed. A tilt B or a take A is inserted between the plate piece 15 and the plate piece 15, and the male screw 13 is tightened so that the fixing is performed. And the above male screw 1
By loosening 3, the holding body 10 can be detached from the tilt B or the grip A.

Next, as shown in FIG. 6, the fixed arm 3b extending left and right includes a rail 31 made of a square pipe and a sliding arm 32 sliding along the longitudinal direction of the rail. The sliding arm 32 includes a rotating arm 33 rotatably provided at the tip of the sliding arm 32, and the holding body 10 rotatably provided at the tip of the rotating arm 33. And the rail body 31 is integrated left and right,
With its longitudinal direction horizontal, the front side wall 5a of the power supply housing 5
Buried in As described above, the fixed arm 3b extending to the left and right constitutes a slide mechanism by the rail body 31 and the sliding arm body 32 sliding along the longitudinal direction of the rail body 31. The link mechanism is constituted by the body 33 and the rotatable holding body 10 at the tip of the rotating arm 33. For this reason, the fixed arm 3b extending to the left and right can be fixed to a carrier having various widths and a tilt B having various heights. Further, a lock mechanism for stopping the sliding of the sliding arm 32 is formed in the slide mechanism. In this locking mechanism, as shown in FIG. 7, a through hole 34 penetrating vertically is formed at a tip end of a rail body 31, and a sliding arm body 32 is formed.
A long through hole 35 is formed in the longitudinal direction (sliding direction) corresponding to the through hole 34, and the sliding arm 32 and the rail 31
A plate 37 on which a female screw 36 corresponding to the through hole 34 is formed is provided between the rail body 31 and a bottom surface of the rail body 31.
And through the sliding arm 32. The plate piece 37 does not rotate in response to the rotation of the male screw 38. When the male screw 38 is tightened, the sliding arm 32 is sandwiched between the plate piece 37 and the ceiling surface of the rail body 31, and the sliding arm Body 3
2 stops sliding. Conversely, when the male screw 38 is loosened, the clamping is loosened and the sliding arm 32 can slide. A handle 39 is formed at the upper end of the male screw 38 so that the male screw 38 can be easily tightened or loosened.

As shown in FIG. 8, the power supply accommodating section 5 has a box shape and includes a mounting table 41 on which the power supply 40 is mounted in order to improve the maintainability of the power supply 40. The drawn-out part 42 can be pulled out to the near side. By doing so, it is easy to put the power supply 40 in and out. In particular, when the power source 40 is an engine generator,
Refueling becomes easy. The front plate 42 of the drawer 42
a is indicated by a chain line.

Further, a power supply 40 is
In order to facilitate the operation of the power supply 40, an operation door 43 that opens and closes a portion corresponding to the operation surface 40a of the power supply 40 is formed.
An opening / closing door 48 is also formed in a portion located on the left side of the truck T, and a switch board 49 to which operation switches for electric devices such as the rotating light 7a and the blinking light 8 are attached is provided slightly behind the opening / closing door 48. I have. And the operation surface 4
Illumination lamps (not shown) for illuminating Oa and the switch board 49 are also provided. The operation surface 4 of the power supply 40
The position of the switch board 49a and the switch board 49 is within a range where an adult can reach without having to get on the carrier while the marker device is placed on the carrier of the truck T.

The drawer 42 has a power supply 40
In order to facilitate positioning, a plurality of positioning guides 44 are provided so as to surround a position where the power supply 40 is to be mounted. The positioning guide 44 is an L-shaped member, one surface of which is fixed to the mounting table 41 and the other surface of which is the mounting table 41.
From the vertical. Accordingly, the movement of the power supply 40 can be prevented without fixing the power supply 40 with bolts or the like, and the attachment and detachment of the power supply 40 becomes easy.

When the power source 40 is an engine generator,
As shown in the figure, an extension exhaust pipe 46 is attached to an exhaust pipe inside the main body via an extension exhaust pipe attachment adapter 45, and the end of the extension exhaust pipe 46 is inserted into the power supply accommodating section 5 by pulling out the drawer 42. It is preferable to bend in the pushing direction and attach the connection flange 47 to the tip. Further, another connection flange provided with a duct communicating with the outside of the power supply housing 5 is provided at the back of the power supply housing 5, and the drawer 4
By completely pushing in 2, the two connection flanges are crimped, so that the exhaust can be taken out of the power supply housing 5. This prevents the inside of the power supply housing unit 5 from being filled with the exhaust gas, and prevents the power supply housing unit 5 from being stained with soot. When the power supply 40 is an engine generator, it is preferable to form a ventilation hole such as a slit on the side wall of the power supply housing 5.

As shown in FIG. 1, the mounting base 6 of the marking device is formed by assembling and fixing a square pipe in a substantially rectangular shape in a plan view.
Each caster 51 is attached, and a slide portion 52 that slides in the front-rear direction is provided from each corner. At the end of the slide portion 52, a leg portion 54 whose height can be adjusted by turning an upper handle 53 is provided. This can be achieved by forming a male screw on the shaft of the handle 53, making the leg portion 54 vertically movable, and forming a female screw on the upper portion thereof that engages with the male screw, but may be achieved by other configurations. .

The two right and left columns 4 standing upright from the mounting table 6 are extendable and contractable, and are fixed to the mounting table 6 to face each other.
It comprises a lifting column 62 attached to each fixed column 61 so as to be able to move up and down. And this lifting column part 6
2 is provided with the above-mentioned sign display unit 2. The lifting mechanism uses a circulation mechanism of the chain 67 in the first stage,
In conjunction with this, a stroke doubling mechanism using a chain 68 is used in the second stage. The worm gear 63 is used for the elevation. That is, the rotating rod 6 is moved along the rotation axis of the sprocket 64 used in the circulation mechanism.
5 is fixed, and a worm wheel 63a whose rotation axis coincides with its own rotation axis is fixed to the rotation rod 65,
A worm 63b is fitted to the worm wheel 63a. Therefore, by rotating the worm 63b, the elevating column 62 and the sign display 2 are rotated.
Goes up and down. The rotation of the worm 63b may be performed by turning a handle 66 attached to the worm 63b as shown in FIG. 1, or a motor may be attached instead of the handle 66. The position of the handle 66 is set in a state where the marker device is placed on the bed of the truck T.
It is within reach of adults without having to get on the carrier. Even when a motor is mounted in place of the handle 66, the operation switch may be provided at the same position as the operation switch of the rotary light 7a or the like so that an adult can reach the vehicle without getting on the carrier. preferable.

As described above, when the worm gear 63 is used for lifting and lowering, the worm gear 63 also serves as a brake mechanism, so that the sign display unit 2 can be stopped and fixed at an arbitrary position. Part 2
Weight is not directly transmitted to the lifting power. And since no counterbalance or gas spring is required for lifting,
The weight and space occupied by the lifting mechanism are reduced, the weight of the sign device is reduced, and the lifting operation is smooth because no uneven load is applied.

The sign display section 2 thus moved up and down is provided with sign display plates 71 on the front side and the rear side. Therefore, the sign display board 71 can be shown not only to the driver of the vehicle traveling in the lane under construction but also to the driver of the vehicle traveling in the opposite lane. In addition, it is preferable that the sign display plate 71 be attached and detached easily using a magnet or the like. This is because the display content can be changed at any time by replacing the sign display plate 71. Further, the sign display plate 71 is provided in a plurality of stages, and the company name, the construction name,
Characters, arrows, road signs, etc. can also be displayed. In addition, an illumination lamp such as a fluorescent lamp is provided in the sign display unit 2 so that the display on the sign display plate can be checked even at night. The rotating light 7a and the flashing light 8 are for inviting the driver of the vehicle to pay attention to the construction, and the illumination light (halogen lamp) 7b is for illuminating the construction site.

Such a marking device can be used in a state where it is placed on the bed of the truck T or on a road.

When the above-mentioned marker device is used in a state where the marker device is placed on the bed of the truck T, the marker device is first placed on the bed of the truck T as shown in FIGS. At this time, the support column 4 is in a contracted state, the sign display unit 2 is also below, and the height protruding from the upper part of the driver's cab C is 3 max.
It is about 0 cm to ensure safety during running. Also,
The height of the legs 54 of the mounting table 6 is adjusted so that the casters 51 are separated from the loading platform. Next, the sign device is fixed to the swing B and the take A of the bed of the truck T by the fixed arm 3 and transported to a road construction site or the like, and the truck T is parked at an appropriate position. Finally, the opening / closing door 48 of the power supply housing unit 5 is opened, and an operation switch is operated to turn on an electric device such as the rotating light 7a and the blinking light 8, and the worm 63b is rotated to turn the sign display unit 2 on. To rise. The height when the sign display unit 2 has risen to the maximum is 3.5 m or more from the ground. According to this height, even if the car is congested, the sign display unit 2 is sufficiently provided from behind.
Can be confirmed.

On the other hand, in the case where the above-mentioned sign device is used in a state where it is placed on the road, first, the sign device is placed and fixed on the bed of the truck T in the same manner, and transported to a road construction site or the like. Then, the truck T is parked at an appropriate position. Next, when the power supply 40 is stored in the power storage unit 5,
The power supply 40 is taken out and lowered on the road. Next, the fixed arm 3 is detached from the swing B and the take A of the carrier of the truck T, and several adults lift the sign device and drop it on the road.
Next, the power supply 40 is accommodated in the power supply accommodating portion 5, and the height of the legs 54 of the mounting base 6 is adjusted so that the casters 51 are attached to the road surface, and the marker device is moved to an appropriate position. Next, the slide portion 52 of the mounting base 6 is extended, and the height of the leg portion 54 is adjusted so that the caster 51 is separated from the road surface and the marking device is horizontal and stable. Lastly, the opening / closing door 48 of the power supply storage unit 5 is opened, an operation switch is operated to turn on an electric device such as the rotating light 7a or the blinking light 8, and the worm 63b is rotated to display the sign display unit 2. To raise. And the track T
Can be provided for other uses.

As described above, according to the sign device of this embodiment, the fixed arm 3a extending forward and detachably fixed to the holding A of the bed of the truck T and the left and right detachably fixed to the tilt B are provided. Since the fixed arm 3b is provided on the truck T, the fixed arm 3b can be used in a state where it is placed on the carrier of the truck T or on a road. Also,
Since the mounting base 6 is provided with a slide part 52 that slides in the front-rear direction and has a leg part 54 whose height can be adjusted. By extending the slide part 52, the marking device is stably mounted. be able to. Further, since the hooks 9 are provided on the support columns 4, when the marker device is placed on the road, a rope or the like is tensioned between the hook 9 and a guardrail or the like, so that the marker device is further stabilized, and Can be placed on

FIG. 9 shows another embodiment of the sign device of the present invention. In this embodiment, the power supply accommodating section 5 and the blinking light 8 in the above embodiment are not provided,
A support member 75 that supports the fixed arm 3b extending in the left and right direction is fixed to a mounting position of the power supply accommodating portion 5 by a bolt, a nut, welding, or the like. The support of the fixed arm 3b extending to the left and right is performed by fixing the rail body 31 to the upper end of the support member 75 by welding or the like.
In the case of this embodiment, a power source such as a separately prepared generator or a battery of a truck is used as the power source. For this reason, wiring of the illuminating lights such as the rotating lamp 7a and the fluorescent lamp is performed in the sign display unit 2, the energizing cable for energizing this wiring is taken out of the sign display unit 2, and the end of the energizing cable is connected to the power source. A plug or the like is provided so that it can be used, and the switch board 49 provided in the above embodiment is not provided. Other parts are the same as the above embodiment,
Similar parts are denoted by the same reference numerals.

In each of the above embodiments, when the marker device is mounted on the road, a support leg 80 as shown in FIG. 10 may be used. The support leg 80 has a sliding arm 81 that slides along the longitudinal direction of the rail 31 of the fixed arm 3b extending to the left and right, and a height adjustment provided at the tip of the sliding arm 81. And legs 82 that can be formed. Then, the sliding arm 32 of the fixed arm 3b extending to the left and right is pulled out from the rail 31, and instead, the supporting leg 8 is replaced.
The zero sliding arm 81 is inserted. The sliding arm 81 of the support leg 80 also has a through-hole 83 formed in the same manner as the sliding arm 32 of the fixed arm 3b. The height adjustment of the legs 82 of the support legs 80 can be performed by turning the upper handle 84 in the same manner as the height adjustment of the legs 82 of the mounting base 6. When such a support leg 80 is used, the marker device can be more stably mounted on the road.

In each of the above embodiments, a fixed arm 3b extending left and right may be provided instead of the fixed arm 3a extending forward. That is, one set of fixed arms 3b extending left and right is provided in the front and rear. In this way, the marking device can be fixed to the swing B of the loading platform even for the truck T having no take A. Further, when the marker device is mounted on the road, the support leg 8 is used.
0 can be attached to the front and rear of the sign device, and can be more stably mounted on the road.

The members constituting the slide mechanism and the link mechanism of the fixed arm 3 are not limited to the arm body 21 and the rail body 31 in each of the above embodiments, but may be other members. . Further, the members forming the holding body 10 of the fixed arm 3 are not limited to the above embodiments, and may be other members. The position where the fixed arm 3 is installed is not limited to the above embodiments, and may be another position.

In each of the above embodiments, the worm gear 63 is used as the elevating means of the sign display part 2 and the elevating column part 62. However, the present invention is not limited to this, and other means may be used. . Further, a chain 6 is attached to the elevating mechanism.
7 and a stroke doubling mechanism using a chain 68, but are not limited thereto.
Other means may be used.

Further, in the above-described embodiment, the flashing lamp 8 is a two-lamp type integral body as shown in FIG. 3, but is not limited thereto. It may be a retractable type that is divided into two lights on each side. The left and right flashing lights 91 and 92 are rotatable about the lower left edge of the left flashing light 91 and the lower right edge of the right flashing light 92 as axes.
Is attached to the power supply accommodating portion 5 by a hinge 93 as shown in the figure. A base 94 for supporting the left and right blinking lights 91 and 92 in an upright state is provided at the upper end of the left and right side surfaces of the power supply housing 5. Also, left and right blinking lights 91 and 92
In the state in which the two have fallen, the locking devices 95 provided on the upper surfaces of the left and right blinking lights 91 and 92 are designed to lock them to prevent rattling. A locking device 96 provided on the front or back of the left and right blinking lights 91 and 92 and the base 94 so that the left and right blinking lights 91 and 92 do not fall even in the standing state.
It is locked by. When the above-mentioned retractable blinking lights 91 and 92 are used, the left and right blinking lights 91 and 92 are used.
Can be flickered in two forms: a standing state and a falling state. When the left and right blinking lights 91 and 92 are standing up, the distance between the left and right blinking lights 91 and 92 increases, and the vehicle is driven. Attention to construction can be further promoted in the hands. In the state where the left and right blinking lights 91 and 92 have fallen,
The left and right blinking lights 91 and 92 indicate the length of the sign device in the width direction.
Can be shown as the length of one horizontal row.

In the above-described embodiment, an energizing cable (not shown) for energizing is required between the sign display unit 2 and the power supply housing unit 5 shown in FIG.
It may be mounted along a guide 97 as shown in FIG. The guide 97 is composed of a plurality of elongate rectangular plates 98, and these elongate rectangular plates 98 are connected to each other at their longitudinal edges so as to be freely bent. One end of the guide 97 is attached to the sign display unit 2 (see FIG. 1), and the other end is attached to an appropriate place on the base 1 side, such as the power supply housing 5 or the mounting base 6. By doing so, the guide 97 is extended or folded in accordance with the elevation of the sign display unit 2, and the energizing cable 99 is not shaken, so that the appearance is beautiful.

The overall weight of each component of such a marking device is 50 kg or more and 250 kg or less by using light materials or materials and taking into consideration the shape and number of parts. For this reason, the sign device can be manually loaded and unloaded by several adults. It is difficult to make the overall weight of the marking device less than 50 kg, and if it is more than 250 kg, it becomes impossible for several adults to manually unload the marking device.

[0038]

As described above, according to the marking device of the present invention, the fixed arm extending laterally from the base mounted on the truck bed is provided, and the distal end of the fixed arm is mounted on the truck bed. It can be detachably fixed to at least one of the swing and the handle, and the total weight is set to 50 kg or more and 250 kg or less. For this reason, the sign device of the present invention can be manually unloaded and loaded by several adults, and can be used in a state where it is placed on a truck bed or in a state where it is installed on a road.

Further, in the marking device of the present invention, the fixed arm has at least one of a slide mechanism and a link mechanism, so that a fixed position of the truck with respect to at least one of the swing and the take-up can be arbitrarily selected. If so, the marking device can be secured to a bed of various sizes.

Further, in the marking device of the present invention, the members constituting at least one of the slide mechanism and the link mechanism of the fixed arm are detachable, and instead of these components, the height can be adjusted and the marking device is supported. When the supporting leg to be attached can be attached, the marking device can be stably installed on the road.

In the marking device of the present invention, the base is provided with a drawer that can be pulled out, and when the power is accommodated inside the drawer, maintenance of the power is performed. Becomes better.

Further, in the sign device of the present invention, the sign display portion can be given an ascending / descending operation by an elevating mechanism using a worm gear, a sprocket interlocked with the worm gear, and a chain engaged with the sprocket. In such a case, since the worm gear also functions as a brake mechanism, the sign display unit can be stopped and fixed at an arbitrary position, and the weight of the sign display unit that moves up and down is not directly transmitted to the lifting power. Then, the weight and the space occupied by the lifting mechanism can be reduced, and the weight of the marking device can be reduced.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of a marker device of the present invention.

FIG. 2 is a side view showing a state in which the marker device is transported while being fixed to a truck bed.

FIG. 3 is a rear view showing a state in which the marking device is fixed to a truck bed and transported.

FIG. 4 is a perspective view showing a part of a fixed arm extending forward of the marker device.

FIG. 5 is a side view showing a holding body of a fixed arm of the marking device.

FIG. 6 is a perspective view showing a part of a fixed arm extending left and right of the marker device.

FIG. 7 is a cross-sectional view showing a lock mechanism of a fixed arm extending left and right of the marker device.

FIG. 8 is a perspective view showing a power supply accommodating portion of the marker device.

FIG. 9 is a perspective view showing a part of another embodiment of the sign device of the present invention.

FIG. 10 is a perspective view showing a support leg of the marker device.

FIG. 11 is a perspective view showing a modification of the blinking light of the above-mentioned marker device.

FIG. 12 is a rear view showing a modification of the blinking light.

FIG. 13 is an explanatory view showing a guide for attaching an energizing cable of the marker device.

[Explanation of symbols]

 1 base 2 sign display section 3 fixed arm

Claims (5)

[Claims] A base mounted on a truck bed;
A sign display unit mounted on the base; and a fixed arm extending laterally from the base, and a distal end of the fixed arm can be detachably fixed to at least one of a tilt and a handle of a truck bed. And a total weight is set to be not less than 50 kg and not more than 250 kg. 2. The truck according to claim 1, wherein the fixed arm has at least one of a slide mechanism and a link mechanism, and a fixing position of the truck with respect to at least one of the swing and the handle of the bed can be arbitrarily selected. Sign device. 3. A member constituting at least one of the slide mechanism and the link mechanism of the fixed arm is detachable, and a supporting leg for adjusting the height and supporting the marking device is attached instead of the constituent member. 3. The marking device according to claim 2, wherein the marking device is enabled. 4. The base according to claim 1, wherein the base is provided with a drawer that can be pulled out, and a power supply is accommodated inside the drawer. Beacon device. 5. The sign display unit is provided with an ascending / descending operation by an elevating mechanism using a worm gear, a sprocket interlocked with the worm gear, and a chain engaged with the sprocket. The marking device according to any one of the preceding claims.