JP2022025232A - Truck cover - Google Patents

Abstract

To provide a truck cover that can be easily and quickly folded while remaining to be attached to a pair of side frames provided at the front and rear of the truck using attaching means, and does not interfere with the combination of a plurality of trucks.SOLUTION: A truck cover 1 includes: a cover body that has a substantially rectangular parallelepiped shape in an unfolded state and has front and rear side surfaces facing a pair of side frames, left and right side surfaces, and a top surface and a bottom surface; first attachment means to be attached to the pair of side frames; and folding means that can fold the front and rear sides and the top and bottom sides so that the left and right sides come closer to each other. When the first attachment means, which are attached to the pair of side frames and are provided on a front upper part and a rear upper part of the cover body in a folded state, are moved in a lateral direction of a loading space, the front end and the rear end of the cover body can be arranged at diagonal positions of a substantially rectangular truck in a plan view.SELECTED DRAWING: Figure 8

Description

The present invention relates to a trolley cover that is attached to a trolley and can store the transported object inside.

Conventionally, a substantially plate-shaped loading platform, a pair of front and rear side frames extending upward in front of and behind the loading platform, a trolley having a plurality of wheels provided below the loading platform, and a pair of side frames of the trolley. There is known a cover that is attached to the container and keeps the transported object warm or cold, or prevents dust from adhering to the transported object.

Such a cover includes a cover body having a substantially rectangular parallelepiped shape and a means for attaching to a pair of side frames such as a string and a hook-and-loop fastener, and the cover body has an upper surface of a loading platform, that is, an object to be transported. It is configured according to the width and depth of the surface and the height of the pair of side frames, and is provided between the pair of side frames.

On the other hand, the loading platform of the bogie is configured to swing around a horizontal support shaft provided below one of the front and rear side frames, and the upper surface of the loading platform faces the inner surface of one side frame (facing the other side frame). By being fixed in contact with the surface), it becomes possible to combine a plurality of bogies so that some of them overlap each other in a plan view when not in use.

When combining a plurality of trolleys in this way, the covers attached to the pair of side frames come into contact with the adjacent trolleys and their covers, and the multiple trolleys cannot be combined, so the cover is removed from the trolleys. It was troublesome because it was necessary to reattach the cover to the dolly when combining the dolly with each other and then using each dolly.

In order to solve the above problems, for example, in Patent Document 1, after removing the cover body from one of the front and rear side frames of the carriage, the cover body is folded and fixed to the other front and rear side frames by using a mounting means. By doing so, a cover capable of combining a plurality of bogies with the cover main body attached to the bogie is disclosed.

JP 2013-233970

However, in the cover described in Patent Document 1, it is necessary to remove the cover main body from one of the front and rear side frames of the carriage, and then roll up and fold each surface of the cover main body having a substantially rectangular parallelepiped shape in different directions. Therefore, it took a lot of time and effort to combine multiple bogies.

Furthermore, if each surface of the cover body has a certain thickness, such as a heat insulating cover for keeping food cold or warm, the thickness in the front-rear direction becomes too large when folded. As a result, the cover body attached to the trolley may come into contact with the side frames of the adjacent trolleys, which may cause a problem in combining a plurality of trolleys.

In view of such a situation, the present invention allows the cover body to be easily and quickly folded while being attached to the pair of side frames provided on the front and rear of the carriage by using the attachment means. Furthermore, it is an object of the present invention to provide a trolley cover that does not interfere with the combination of a plurality of trolleys.

Such an object of the present invention is
In a plan view, a loading platform that is substantially rectangular and has a short side and a long side,
A pair of side frames provided in front of and behind the loading platform along the short sides of the loading platform.
A foldable trolley cover that is attached between the pair of side frames of a substantially rectangular trolley with a plurality of wheels provided at the lower end and has a substantially rectangular parallelepiped shape in an unfolded state. ,
A cover body having front and rear side surfaces facing the pair of side frames, left and right side surfaces not facing the pair of side frames, and a top surface and a bottom surface.
In order to attach the cover main body to the pair of side frames, a first mounting means provided on the front upper portion and the rear upper portion of the cover main body, and
Folding that allows the front and rear side surfaces, the top surface, and the bottom surface to be folded so that the left and right side surfaces are brought close to each other while being attached to the pair of side frames by the first attachment means. Equipped with means,
At least a part of at least one of the left and right sides can be opened and closed.
The first mounting means provided on the front upper portion and the rear upper portion of the cover main body in a state of being mounted on the pair of side frames by the first mounting means and folded by the folding means is the loading platform. By moving in the lateral direction of the cover body, the front end portion and the rear end portion of the cover body can be arranged at diagonal positions of a substantially rectangular trolley in a plan view. Achieved.

According to the present invention, it is possible to fold the front and rear side surfaces, the top surface and the bottom surface facing the pair of side frames so that the left and right sides not facing the pair of front and rear side frames are brought close to each other by the folding means. Therefore, the cover body can be folded with the cover body attached to the pair of front and rear side frames of the carriage by using the first mounting means.

Further, with such a configuration, the folding process of the cover body can be completed only by folding the cover body so as to crush it in one direction, so that the cover body can be folded easily and in a short time.

Further, according to the present invention, since the cover main body is completely folded in one direction, there are few overlapping surfaces, and therefore the cover main body can be folded thinly.

Further, according to the present invention, after the cover main body is folded, the front end portion and the rear end portion of the cover main body are arranged at diagonal positions of the bogie in a plan view while being attached to a pair of side frames of the bogie. However, since the cover body can be arranged diagonally with respect to the bogie, when combining multiple bogies, the cover body attached to the adjacent bogie does not interfere with one of the front and rear side frames of the bogie, therefore. , Does not interfere with the work of combining multiple trolleys.

In a preferred embodiment of the invention
Further, the front lower portion and the rear lower portion of the cover main body are provided with a second attachment means for attaching the cover main body to the pair of side frames.
The second mounting means functions as the folding means for folding the front and rear side surfaces.

According to this preferred embodiment of the present invention, since the lower portion of the cover can be attached to the carriage by the second attachment means, the cover can be fixed to the carriage more stably.

Further, since the front side surface and the rear side surface of the cover body can be folded by the second mounting means for attaching to the pair of side frames of the trolley, it is not necessary to separately provide a means for folding the two side surfaces, and the number of parts is large. Can be reduced and the configuration can be simplified.

In a preferred embodiment of the invention
The folding means is a crease line formed on the front and rear side surfaces and the top surface and the bottom surface.

According to this preferred embodiment of the present invention, the cover body can be easily folded so that the left and right sides are brought close to each other.

In a more preferred embodiment of the invention
The first mounting means is attached to the pair of side frames so that the front end portion and the rear end portion of the cover body can be arranged at the diagonal positions of the trolley while being folded by the folding means. It is configured so that a space can be provided between the cover body and the cover body.

In a more preferred embodiment of the invention
Further, a reinforcing plate member that is removable from the top surface and prevents the top surface from hanging downward is provided inside the cover body.
The reinforcing plate member is configured to be removable from the top surface without opening the cover body.

According to this preferred embodiment of the present invention, since the reinforcing plate member is provided inside the cover main body, it is possible to prevent the central portion of the top surface, particularly the central portion in the left-right direction, from hanging downward.

Further, when the cover body is folded, the reinforcing plate member that may hinder the folding of the top surface can be removed from the top surface without opening the cover body, so that the cover body can be folded in a short time.

In a more preferred embodiment of the invention
On the front and rear side surfaces, there are openings for passing the front end and the rear end of the shelves spanning the pair of side frames of the bogie, respectively.
A bag is provided that covers the opening and can accommodate the front end and the rear end of the shelf.

According to this preferred embodiment of the present invention, even if shelves are to be hung on a trolley, the front and rear ends of the shelves are placed in bags provided on the front and rear sides facing the pair of side frames. Since the shelves can be hung on a pair of side frames in the put state, it is possible to keep the contents to be kept cold or warm, or to prevent the invasion of dust.

According to the present invention, the front and rear side surfaces, the top surface and the bottom surface facing the pair of side frames are brought close to each other so that the left and right sides of the cover body not facing the pair of front and rear side frames provided on the front and rear portions of the bogie are brought close to each other. Since it is configured to be foldable, the cover body can be easily and quickly folded while being attached to the pair of side frames by using the first mounting means, and further, the front end of the cover body can be folded. Since the portion and the rear end portion can be arranged at diagonal positions of a substantially rectangular carriage in a plan view, the cover body can be arranged diagonally with respect to the carriage, and therefore, a plurality of portions can be arranged. It will be possible to provide a dolly cover that does not interfere with the combination of the dolly.

FIG. 1 is a schematic perspective view of a cover according to a preferred embodiment of the present invention. FIG. 2 is a vertical cross-sectional view of the vicinity of the perforation on the top surface as seen from the direction of the arrow α shown in FIG. FIG. 3 is a drawing showing a reinforcing plate member provided inside and above the cover main body shown in FIG. 1. FIG. 4 is a schematic perspective view of a dolly to which the cover according to the present embodiment is attached. FIG. 5 is a schematic perspective view showing a state in which the cover is attached to the trolley. FIG. 6 is a schematic partial cross-sectional view of the vicinity of the rear upper end portion of the cover as viewed from the direction of the arrow β shown in FIG. FIG. 7 is a schematic perspective view showing a state in which the lower portion of the cover main body is folded. FIG. 8 is a schematic perspective view showing a state in which the upper part and the lower part of the cover main body are folded. FIG. 9 is a schematic plan view before and after the combination of four bogies to which covers are attached. FIG. 10 is a drawing of a cover according to another preferred embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 shows a schematic perspective view of the cover 1 according to a preferred embodiment of the present invention, and FIG. 1A is a schematic perspective view showing a state in which one side surface of the cover 1 is closed. FIG. 1B is a schematic perspective view showing a state in which one side surface of the cover 1 is opened.

The cover 1 according to the present embodiment is configured as a cold insulation cover for keeping the contents to be contained inside cold.

As shown in FIGS. 1A and 1B, the cover 1 includes a cover body 31 having a top surface 2, a bottom surface 3, a front side surface 4, a rear side surface 6, a left side surface 8 and a right side surface 9. A reinforcing plate member (not shown in FIG. 1) provided inside and above the cover body 31 to prevent the central portion of the top surface 2 in the left-right direction from hanging downward, and as a first mounting means to the trolley. It includes two pairs of front and rear mounting belts 12 that function, and two pairs of front and rear mounting and folding belts 16 that are provided at the bottom of the front side surface 4 and the bottom of the rear side surface 6 and function as a second mounting means. .. In all perspective views, the cover 1 is in a state where the rear side surface 6 is arranged on the right front side of the drawing and the left side surface 8 is arranged on the left front side of the drawing, as in FIGS. 1 (a) and 1 (b). It is shown.

The cover body 31 is mounted on the loading platform of the bogie so that the front side surface 4 and the rear side surface 6 face the pair of front and rear side frames of the bogie, which will be described in detail later, and the front and rear two pairs of upper mounting belts 12 and It is attached to a pair of front and rear side frames by using two pairs of front and rear mounting and folding belts 16. In this way, the cover main body 31 can accommodate the transported object of the trolley and keep it cool while it is attached to the trolley.

As shown in FIGS. 1A and 1B, the top surface 2, the bottom surface 3, the front side surface 4 and the rear side surface 6 of the cover body 31 are each folded mainly in the central portion in the left-right direction. Perforations 22, 23, 24 or 25 that function as crease lines are provided.

In FIG. 1A, since all the positions of the perforations 22, 23, 24 and 25 are shown, the perforations to be hidden by the left side surface 8 and the rear side surface 6 are also shown without being hidden.

On the other hand, in FIG. 1B, the hidden portions of the perforations 22, 23, 24 and 25 are not shown.

Further, in FIG. 1A, each boundary between the right side surface 9, the front side surface 4, and the bottom surface 3 is shown by a alternate long and short dash line.

FIG. 2 is a vertical sectional view of the vicinity of the perforation 22 of the top surface 2 as viewed from the direction of the arrow α shown in FIG. 1, and FIG. 2A shows a state where the top surface 2 is substantially horizontal. 2 is a vertical cross-sectional view in the vicinity of the perforation 22 of No. 2, and FIG. 2B is a vertical cross-sectional view showing how the top surface 2 is folded so that the perforation 22 descends downward.

As shown in FIG. 2A, the top surface 2 is composed of a middle material 26 made of foamed polyethylene forming a horizontal substantially plate shape and polyester when the top surface 2 is in a substantially horizontal state. , A packaging material 27 for wrapping the middle material 26 is provided.

The middle material 26 and the packaging material 27 are sewn together at the central portion in the left-right direction of the top surface 2 so that the needle penetrates in the vertical direction, and the perforations 22 are as shown in FIGS. 1 and 2 (a). Is formed.

Therefore, the operator presses the top surface 2 downward so that the perforations 22 formed on the top surface 2 move downward, that is, toward the inside of the cover body 31 (in other words, the top surface). In 2, the top surface 2 can be easily folded so that the portion close to the perforation 22 in the left-right direction is located below the portion separated from the perforation 22 in the left-right direction).

Although the configuration of the top surface 2 and its folding have been described above, the bottom surface 3, the front side surface 4 and the rear side surface 6 are also configured in the same manner as the top surface 2, and the perforations 23, 24 and 25 are the cover main body. It is possible to fold the bottom surface 3, the front surface 4 and the rear surface 6 so as to move inward of the 31 (in other words, the left side surface 8 and the right side surface 9 are close to each other).

As shown in FIG. 1A, fasteners 7 extending in the vertical direction are provided at both front and rear ends of the left side surface 8, and the pull tab 20 shown at the lower end of the fastener 7 is slid upward. , The left side surface 8 can be opened as shown in FIG. 1 (b).

As shown in FIG. 1 (b), the bottom surface 3 includes a pair of left and right wing portions 21 having a substantially flat plate shape extending upward from the left and right end portions thereof, and the pair of left and right wing portions 21 have the bottom surface 3 and the left side. It covers the boundary with the surface 8 and the boundary between the bottom surface 3 and the right side surface 9, and plays a role of preventing the cold air of the contained object from leaking to the outside of the cover main body 31.

Specifically, as shown in FIG. 1 (b), the left wing portion 21 is provided with a hook-and-loop fastener 19 on the outer surface in the left-right direction, and the left side surface 8 is on the lower end portion of the inner surface in the left-right direction. , A hook-and-loop fastener 18. Therefore, when the left side surface 8 is closed, the surface fastener 19 and the surface fastener 18 come into contact with each other, and the lower end portion of the left side surface 8 is fixed to the left side wing portion 21, so that the cold air of the contained object is on the left side surface. It does not leak to the outside of the cover body 31 from the boundary between the 8 and the bottom surface 3.

On the other hand, hook-and-loop fasteners are also provided on the lower ends of the left-right outer surface of the right wing portion 21 and the left-right inner surface of the right side surface 9, respectively, to cover the cold air of the contained object. It can be held inside 31.

In this embodiment, all the hook-and-loop fasteners are the type of hook-and-loop fasteners in which hooks and loops are mixed on the same surface.

FIG. 3 is a drawing showing a reinforcing plate member provided inside and above the cover main body 31 shown in FIG. 1, and FIG. 3A is a schematic perspective view of the reinforcing plate member.

Further, FIG. 3B is a partial cross-sectional view of the upper part of the cover main body 31, and FIG. 3C is a partial cross-sectional view of the upper part of the cover main body 31 showing how the top surface 2 is pressed from above.

3 (b) and 3 (c) show a state in which the upper portion of the cover main body 31 is viewed from the direction of the arrow α shown in FIG.

The reinforcing plate member 13 is a plate-shaped member, and is arranged inside and above the cover main body 31 so that its longitudinal direction is substantially parallel to the longitudinal direction of the top surface 2, and is located on the right side of the reinforcing plate member 13. Only the end portion, that is, the long side on the right side, is sewn integrally with the top surface 2 and the right side surface 9 at the boundary between the top surface 2 and the right side surface 9.

Therefore, the reinforcing plate member 13 has a posture in which the reinforcing plate member 13 extends substantially parallel to the top surface 2 as shown by a solid line in FIG. 3 (b) and a broken line as shown by a broken line in FIG. 3 (b). It is possible to switch between the posture in which the reinforcing plate member 13 extends substantially parallel to the right side surface 9.

In the present embodiment, when the reinforcing plate member 13 takes a posture extending substantially parallel to the top surface 2, the rear end portion, the front end portion, and the left end portion of the reinforcing plate member 13 are the rear side surface 6 and the front side surface 4, respectively. And the size is such that it does not come into contact with the left side surface 8, and therefore, when the posture of the reinforcing plate member 13 is switched, the posture can be smoothly switched.

As shown in FIG. 3A, three hook-and-loop fasteners 15 are attached in the vicinity of the left side of the upper surface of the reinforcing plate member 13, and as shown in FIGS. 3B and 3C, On the left side of the lower surface of the top surface 2, three fixing surface fasteners 30 corresponding to the surface fastener 15 are attached (only one is shown).

Therefore, when the reinforcing plate member 13 is brought into contact with the top surface 2, each of the three surface fasteners 15 engages with each fixing surface fastener 30, and the reinforcing plate member 13 is brought into close contact with the top surface 2. It is possible to prevent the vicinity of the perforation 22 on the top surface 2 shown in 3 (b) from hanging downward.

Further, when the top surface 2 is folded so that the perforations 22 face the inside of the cover 1, the top surface 2 can be folded by removing the reinforcing plate member 13 from the top surface 2 in advance.

Here, in the present embodiment, the reinforcing plate member 13 is provided with three surface fasteners 15 provided at the left end thereof and three fixing surface fasteners 30 provided on the lower surface of the top surface 2. It is configured so that it can be fixed to the surface 2, and the upper surface of the reinforcing plate member 13 is not fixed to the lower surface of the top surface 2 over the entire surface.

Therefore, as shown in FIG. 3C, the reinforcing plate member 13 can be easily removed from the top surface 2 by pushing the top surface 2 in the vicinity of the perforation 22 downward. Therefore, in order to remove the reinforcing plate member 13 from the top surface 2, it is not necessary to bother to open the pair of front and rear fasteners 7 shown in FIG. 1 and reach inside the cover main body 31.

FIG. 4 is a schematic perspective view of the trolley 5 to which the cover 1 according to the present embodiment is attached, and FIG. 4A is a schematic perspective view showing a state in which the loading platform of the trolley 5 is arranged substantially horizontally. FIG. 4B is a schematic perspective view showing a state in which the loading platform of the carriage 5 is arranged substantially vertically.

As shown in FIGS. 4A and 4B, the carriage 5 includes a loading platform 52, a pair of side frames 51, and a carriage body 50.

The loading platform 52 is configured to swing up and down around a rotation axis (not shown), and as a result, the substantially horizontal posture shown in FIG. 4 (a) and the substantially horizontal posture shown in FIG. 4 (b). As described above, it is possible to switch to a posture supported by one side frame 51 in a substantially vertical state.

In the following description of the carriage 5, when the loading platform 52 takes a substantially vertical posture, the side of the side frame 51 that supports the loading platform 52 is referred to as "front" with respect to the side frame 51 that does not support the loading platform 52. Good, the other side is called "after". In addition, the left side when looking at the front side from the rear side of the dolly is called "left", and the opposite side is called "right".

The dolly 5 is configured to be able to accommodate the transported object in the accommodation space defined by the inner surface of the pair of side frames 51 and the upper surface of the loading platform 52, and the cover main body 31 of the cover 1 keeps the transported object cold. Therefore, it is placed in such a containment space.

The pair of side frames 51 connect the upper pillar 29 extending in the left-right direction, the pair of left-right side pillars 28 extending downward from the left-right end of the upper pillar 29, and the pair of left-right side pillars 28, respectively, at the upper part. , It is provided with four shelf support members 56 having different height positions.

The four shelf support members 56 of the front side frame 51 and the four shelf support members 56 of the rear side frame 51 are configured to have the same height position, and the height positions of the four shelf support members 56 are the same. A shelf (a so-called intermediate shelf, which is not shown in FIGS. 1 to 4) can be bridged substantially horizontally to any of the four pairs of front and rear shelf support members 56. The cover 1 according to the present embodiment is not configured so that the shelves can be erected on the pair of front and rear side frames 51 in a state of being attached to the carriage 5.

As shown in FIG. 4B, the bogie main body 50 is fixed to a pillar member 53 extending in the front-rear direction and front end portions and rear end portions of the pillar member 53, and supports a pair of front-rear side frames 51. A total of three wheel support portions 54 fixed to the lower end portions of the pair of front and rear side frame support portions 55 or the lower end portions of the central portion in the front-rear direction of the pillar material 53 are provided.

Each of the three wheel support portions 54 is a plate-shaped member extending in the left-right direction, and rotatably supports a pair of left and right wheels 58 arranged below the plate-shaped member.

As shown in FIG. 4B, a lower gap 57 is formed between the three wheel support portions 54, respectively.

The trolley 5 to which the cover 1 according to the present embodiment is attached is configured so that a total of four trolleys 5 can be combined (so-called nesting) so that some of the trolleys 5 overlap each other in a plan view.

Specifically, the wheel support portion 54 located at the front of the other three bogies 5 is inserted into the lower gap 57 on the front side of any one of the four bogies 5, and the rear side. By inserting the wheel support portion 54 located at the center of the other three bogies 5 in the front-rear direction into the lower gap 57, a total of four bogies 5 can be combined.

The operator attaches the cover 1 according to the present embodiment to two pairs of front and rear upper mounting belts 12 that function as the first mounting means and two pairs of front and rear mounting and folding belts 16 that function as the second mounting means. Can be attached to the pair of side frames 51 of the trolley 5 configured as described above, and the pair of front and rear upper mounting belts 12 functioning as the first attachment means of the trolley 5. Can be folded while still attached to the side frame 51, and four covers 1 are attached to each pair of side frames 51 of each of the four carriages 5, and in the folded state, the four covers 1 are attached. The carts 5 can be combined so as to overlap each other in a plan view. First, a detailed description of how to attach the cover 1 to the carriage 5 will be added below.

FIG. 5 is a schematic perspective view showing a state in which the cover 1 is attached to the carriage 5.

Further, FIG. 6 is a schematic partial cross-sectional view of the vicinity of the rear upper end portion of the cover 1 as viewed from the direction of the arrow β shown in FIG. 5, and FIG. 6A is a rear side frame. FIG. 6B is a schematic partial cross-sectional view showing how to attach the upper mounting belt 12 of the cover 1 to the upper pillar 29 of 51. FIG. 6B shows a side frame 51 on which the upper mounting belt 12 of the cover 1 is rearward. It is a schematic partial cross-sectional view which shows the state attached to the upper pillar 29 of.

On the other hand, FIG. 6 (c) is a schematic partial cross-sectional view showing a state in which the tension belt of the cover 1 is attached to the upper mounting belt 12, and FIG. 6 (d) is a schematic partial cross-sectional view of the cover main body 31 in a plan view. It is a schematic partial cross-sectional view which shows the state in the vicinity of the rear upper end part of the cover 1 when the front and rear end parts are arranged in the diagonal position of the trolley 5.

In addition, in FIG. 5 and each of the following drawings, for convenience, the front side surface 4 of the cover 1 (see FIG. 1B) faces the front side frame 51 of the pair of front and rear side frames 51, and the cover 1 The state in which the cover 1 is attached to the trolley 5 is shown so that the rear side surface 6 of the cover 1 faces the rear side surface 51.

In this embodiment, the dimensions of the cover body 31 in the left-right direction, the front-back direction, and the up-down direction are the left-right direction, the front-back direction, and the front-back direction of the accommodation space defined by the inner surface of the pair of front-rear side frames 51 of the trolley 5 and the upper surface of the loading platform 52, respectively. It is configured to be slightly smaller than the directional and vertical dimensions. Therefore, when the cover main body 31 is simply placed on the loading platform 52 of the carriage 5, the top surface 2 of the cover main body 31 is located slightly below the upper surface of the upper pillar 29 of the rear side frame 51. ..

As shown in FIG. 1, a pair of left and right upper mounting belts 12 are provided on the upper portion of the rear side surface 6 of the cover main body 31, and only the lower portion of the pair of upper mounting belts 12 is the rear side surface 6. It is fixed at a position slightly lower than the upper end portion of the cover body 31 and is not fixed to the upper end portion of the rear side surface 6 of the cover main body 31 as shown in FIGS. 1 and 6A.

A hook-and-loop fastener (not shown) is provided on the rear surface of the pair of left and right upper mounting belts 12 over the entire length in the vertical direction. Therefore, as shown in FIGS. 5, 6 (a) and 6 (b), the operator winds the pair of upper mounting belts 12 around the upper pillar 29 of the rear side frame 51, respectively. The free ends (upper parts) of the pair of upper mounting belts 12 can be brought into contact with the lower parts thereof, and the rear upper portion of the cover main body 31 can be fixed to the upper portion of the rear side frame 51.

Further, on the front side surface 4 of the cover main body 31, only the lower portion of the pair of left and right upper mounting belts 12 is fixed to the front side surface 4 as in the rear side surface 6, and therefore, similarly, the pair of upper mounting belts. The cover body 31 can also be fixed to the upper part of the front side frame 51 by winding the 12 around the upper pillar 29 of the front side frame 51 from above.

In this way, the cover main body 31 is attached to the front or rear side frame 51 by using the surface fasteners of the pair of left and right upper mounting belts 12, respectively, so that the cover main body 31 and the rear upper portion can be attached to the cover main body 31. The distance between the pair of side frames 51 and the upper pillars 29 can be easily adjusted. The pair of left and right upper mounting belts 12 provided on the front side surface 4 are not fixed to the upper end portion of the front side surface 4, like the pair of left and right upper mounting belts 12 provided on the rear side surface 6. ..

On the other hand, as shown in FIGS. 1A and 5, a pair of left and right mounting / folding belts 16 are fixed to the lower part of the rear side surface 6 of the cover body 31, and the lower part of the back side of the cover body 31 is attached. It can be attached to the lower part of the side frame 51 on the rear side.

Specifically, as shown in FIG. 1, each of the pair of mounting / folding belts 16 has only the inner portion in the left-right direction fixed to the rear side surface 6, and is rear of the pair of mounting / folding belts 16. A hook-and-loop fastener (not shown) is provided on the side surface over the entire length in the left-right direction.

When fixing the lower part of the cover main body 31 to the lower part of the rear side frame 51 by using the pair of mounting / folding belts 16, the operator first uses the pair of mounting / folding belts 16 on the rear side. The free ends of the pair of mounting and folding belts 16, that is, the left and right outer ends, are pulled backward so that the surfaces of the two are covered on the left and right outer surfaces of the pair of left and right side pillars 28, respectively. ..

Next, as shown in FIG. 5, a pair of mounting / folding belts so as to wind the outer left and right end portions of the pair of mounting / folding belts 16 around the pair of left / right side pillars 28 of the side frame 51, respectively. The lower rear portion of the cover main body 31 can be attached to the lower portion of the rear side frame 51 by abutting on the inner portion in the left-right direction of 16.

Further, the front side surface 4 of the cover 1 is also provided with a pair of left and right mounting / folding belts 16 as in the rear side surface 6, and the front surface of the pair of left / right mounting / folding belts 16 has a total length in the left-right direction. A hook-and-loop fastener (not shown) is attached over the entire area.

Therefore, in the same manner, the left and right outer portions of the pair of mounting / folding belts 16 are engaged with the left and right inner portions of the front side frame 51 so as to involve the pair of left and right side pillars 28, respectively. The cover body 31 can also be attached to the lower part of the front side frame 51.

Further, as described above, the cover main body 31 whose front and rear portions are fixed to the pair of front and rear side frames 51 is positioned above the top surface 2 as follows, depending on the situation. As described above, the top surface 2 can be tautly stretched in the front-rear direction by fixing to the pair of front and rear side frames 51.

As shown in FIGS. 1, 5 and 6 (b), a pair of left and right tension belts 14 are attached to the boundary portion between the top surface 2 and the rear side surface 6 of the cover 1.

Each of the pair of left and right tension belts 14 is provided with a hook-and-loop fastener (not shown) on the rear surface.

Further, the upper mounting belt 12 shown in FIG. 6B is not only on the rear surface (the surface that abuts on the upper pillar 29) but also on the front surface (the surface that does not abut on the upper pillar 29). A hook-and-loop fastener (not shown) is also provided on a portion not attached to the side surface 6.

Therefore, the operator pulls each free end of the pair of tension belts 14 upwards and backwards, and as shown in FIG. 6 (c), the rear surface is attached to the pair of upper mounting belts 12. By winding the cover body 31, the top surface 2 of the cover body 31 can be held in a state of being pulled upward and backward.

On the other hand, as shown in FIGS. 1 and 5, a pair of left and right pulling fasteners are similarly provided on the outer surface in the front-rear direction at the boundary between the top surface 2 and the front side surface 4 of the cover body 31. The belt 14 is attached, and the rear side surface of the pair of left and right upper mounting belts 12 on the front side (the surface that does not abut on the upper pillar 29 while being attached to the upper pillar 29, and is a surface that does not abut on the upper pillar 29, in FIG. 1A). A hook-and-loop fastener (not shown) is also provided on the visible surface).

Therefore, the operator pulls the free ends of the pair of left and right tension belts 14 on the front side upward and forward in the same manner as the free ends of the pair of left and right tension belts 14 on the rear side, respectively, and the front side frame 51 The top surface 2 can be taut in the front-rear direction by fixing it so as to be wound around a pair of left and right upper attachment belts 12 attached to the upper pillar 29 of the above.

Further, if two pairs of front and rear upper mounting belts 12 are attached with a space between the upper pillar 29 and the rear surface 6 as shown in FIG. 6 (b), two pairs of front and rear mounting belts 12 can be attached. By simply removing the tension belt 14 from the two pairs of front and rear upper mounting belts 12, a space can be easily provided between the cover main body 31 and the upper pillar 29 of the front and rear pair of side frames 51.

Further, the cover body 31 of the cover 1 according to the present embodiment can be folded as follows while being attached to the pair of front and rear side frames 51 of the carriage 5 by the two front and rear upper mounting belts 12. can.

FIG. 7 is a schematic perspective view showing a state in which the lower portion of the cover main body 31 is folded, and FIG. 8 is a schematic perspective view showing a state in which the upper portion and the lower portion of the cover main body 31 are folded.

First, as shown in FIG. 3C, the top surface 2 is pressed from above by the operator, the reinforcing plate member 13 is removed from the lower surface of the top surface 2, and the top surface 2 is in a foldable state. Is done (step 1).

Next, as shown in FIG. 5, the left-right outer portion of the mounting / folding belt 16 attached to the left-right inner portion thereof is removed by the operator (see the state of FIG. 1), and the cover main body 31 is removed. The lower portion of the front and rear side frames 51 is removed from the side pillars 28 of the pair of front and rear side frames 51 (step 2).

After the lower part of the cover body 31 is removed from the side pillar 28, the lower part of the left side surface 8 and the lower part of the right side surface 9 are pressed by the operator from the outside to the inside in the left-right direction so that the lower part of the cover 1 is close to each other. The lower part is folded (step 3). At this time, by inserting a hand between the bottom surface 3 of the cover 1 and the loading platform 2 of the trolley 5 and pushing the central portion of the bottom surface 3 in the left-right direction from below to above, the bottom surface 3 can be easily folded.

Next, as shown in FIG. 7, with the lower portion of the cover body 31 folded, the hook-and-loop fasteners of the two right-side mounting / folding belts 16 provided on the front side surface 4 and the rear side surface 6 are on the left side, respectively. It is abutted against two folding hook-and-loop fasteners 17 (see FIG. 5) provided on the front portion and the rear portion of the surface 8, and the lower portion of the cover main body 31 is fixed in a folded state (step 4).

At this time, the free ends (left end) of the left side mounting / folding belt 16 of the front side surface 4 and the rear side surface 6 which are not used for folding are set aside between the left side surface 8 and the right side surface 9, respectively. Is desirable. By doing so, when the right end of the right side mounting / folding belt 16 is wrapped around the left side surface 8, the left side mounting / folding belt 16 provided on each of the front side surface 4 and the rear side surface 6 is provided. Does not get in the way.

In FIGS. 7 and 8, the right end of the right side mounting / folding belt 16 provided on the front side surface 4 and the rear side surface 6 is attached to the folding dedicated hook-and-loop fastener 17 provided on the left side surface 8. Although the mounted state is shown, the operator provides the left end surface fastener of the left side mounting / folding belt 16 provided on the front side surface 4 and the rear side surface 6, respectively, on the right side surface 9. It is also possible to attach it to the folded hook-and-loop fastener (not shown) and fix the lower part of the cover body 31 in a folded state.

In this way, after the lower portion of the cover main body 31 is folded, the operator presses the cover 1 from the outside to the inside in the left-right direction so that the upper portion of the left side surface 8 and the upper portion of the right side surface 9 of the cover 1 are close to each other. The upper part is folded (step 5).

Finally, the upper portion of the cover body 31 is fixed in a folded state (step 6).

In this embodiment, as shown in FIG. 7, the top center of the top surface 2 of the cover main body 31 is provided with a hook-and-loop fastener (not shown) on the left side surface at the center portion in the front-rear direction and the right end portion. The belt 10 is attached, and the upper center surface fastener 11 is attached to the front-rear center portion and the upper end portion of the left side surface 8.

Therefore, after the upper portion of the cover main body 31 is folded, the operator abuts the hook-and-loop fastener of the upper central belt 10 against the upper central surface fastener 11 and folds the upper portion of the cover 1 as shown in FIG. It can be fixed (held) in a closed state.

Further, the operator combines the four carriages 5 to which the covers 1 folded as described above are attached to the pair of front and rear side frames 51 so as to overlap each other in a plan view as follows. be able to.

FIG. 9 is a schematic plan view before and after the four carriages 5 to which the cover 1 is attached are combined, and FIG. 9A shows a state before the carriage 5 to which the cover 1 is attached is combined. It is a schematic plan view, and FIG. 9B is a schematic plan view showing a state in which four bogies 5 to which the cover 1 is attached are combined.

First, as shown in FIG. 8, the cover main body 31 of each trolley 5 and the two pairs of front and rear upper mounting belts 12 are slid to the right end of each trolley 5 by an operator, and the loading platform of each trolley 5 is loaded. 52 is lifted to form a substantially vertical posture as shown in FIG. 4 (b) (step 1).

Then, as shown in FIG. 9A, only the rear end portion of the cover 1 is moved to the left end portion of the trolley 5 by the operator (step 2). As a result, when the loading platform 52 is in a substantially horizontal posture, the front end portion and the rear end portion of the cover main body 31 are arranged at diagonal positions of the carriage 5 forming a substantially rectangular shape in a plan view.

Here, as shown in FIG. 6, the pair of left and right upper mounting belts 12 provided on the rear side surface 6 are located slightly below the upper end portion of the rear side surface 6 (the cover body 31 is simply on the loading platform 52). It is attached to the position below the upper pillar 29 when it is placed on the upper pillar 29). Therefore, when the pair of left and right upper mounting belts 12 are wound around the upper pillar 29 of the rear side frame 51, as shown in FIG. 6B, the upper pillar 29 and the rear of the rear side frame 51 If a space is provided between the side surface 6 (particularly the portion where the upper mounting belt 12 is attached), the upper end portion of the rear side surface 6 and the pair of side frames 51 are provided as shown in FIG. 6 (d). The upper pillar 29 can be largely separated from the upper pillar 29 in the front-rear direction.

Similarly, when the pair of left and right upper mounting belts 12 provided on the front side surface 4 are wound around the upper pillar 29 of the front side frame 51, the upper pillar 29 and the front side surface 6 of the front side frame 51 are wound. If a space is provided between (particularly the portion where the upper mounting belt 12 is attached), the upper pillar 29 of the front side frame 51 and the front side surface 4 of the cover body 31 can be largely separated in the front-rear direction. Can be done. Therefore, even when the front end portion and the rear end portion of the cover main body 31 are arranged at diagonal positions of the carriage 5 forming a substantially rectangular shape in a plan view, the two pairs of front and rear upper mounting belts 12 are smoothly moved. be able to.

Since the left and right corners of the trolley 5 are formed at right angles on the upper part of the pair of front and rear side frames 51, even if the front end and the rear end of the cover body 31 are arranged diagonally, the trolley 5 may be arranged diagonally. Since the force that pulls them in the direction of the midpoint of the diagonal line works, it is difficult for the upper mounting belt 12 located on the outer side in the left-right direction to fall outward, but if the left and right corners are rounded, the diagonal position By tightening the upper mounting belt 12 on the outer side in the left-right direction when arranged in the left-right direction, it is possible to prevent the belt 12 from falling to the outer side in the left-right direction.

Further, in FIG. 9A, after the loading platform 52 is lifted, the front portion of the cover 1 is rearranged behind the loading platform 52 by the operator, and as a result, the upper part of the front end of the cover body 31 is on the front side. A pair of left and right upper mounting belts 12 show a state in which the cover 1 is pulled to the upper side of the loading platform 52, but the front end portion of the cover 1 is located on the right side of the loading platform 52 in a substantially vertical posture. Even if it is left as it is, there is no problem in combining a plurality of carriages 5.

After the cover 1 is arranged obliquely with respect to the trolley 5, as shown in FIG. 9B, the operator puts the other three trolleys 5 in the lower gap 57 on the front side of the trolley 5. The wheel support portion 54 located at the front end of the dolly is inserted, and the wheel support portion 54 located at the center of the other three trolleys 5 in the front-rear direction is inserted into the lower gap 57 on the rear side, for a total of four trolleys. 5 are combined (step 3).

As shown in FIG. 9B, since the front and rear ends of the cover 1 are moved to diagonal positions of the carriages 5 which form a substantially rectangular shape in a plan view, and then the plurality of carriages 5 are combined. In addition, the cover 1 attached to the trolley 5 located on the left side does not interfere with the left end portion of the side frame 51 on the rear side of each trolley 5 except the trolley 5 located at the left end portion.

In this embodiment, the upper center belt 10 and the upper center surface fastener 11, the front and rear two pairs of mounting and folding belts 16, and a total of four folding surface fasteners 17 are used so as not to face the front and rear pair of side frames 51. The front side surface 4 and the rear side surface 6 facing the pair of side frames 51, and the top surface 2 and the bottom surface 3 can be folded so that the left side surface 8 and the right side surface 9 come close to each other.

Therefore, the cover main body 31 can be folded with the cover main body 31 attached to the front and rear pair of side frames 51 of the carriage 5 by using the front and rear two pairs of upper mounting belts 12.

Further, according to the present embodiment, the folding process of the cover main body 31 can be completed only by folding the cover main body 31 so as to crush it in the left-right direction, so that the cover 31 can be easily and quickly folded. ..

Further, according to the present embodiment, since the folding of the cover 1 is completed only once in the left-right direction, there are few overlapping surfaces, and therefore the cover 1 can be folded thinly.

Further, according to the present embodiment, as shown in FIG. 1, the two pairs of front and rear upper mounting belts 12 are not attached to the upper end portion of the rear side surface 6, and are attached to the upper mounting belt 12. The space between the pair of side frames 51 of the carriage 5 and the cover main body 31 can be adjusted by using the provided hook-and-loop fastener. As a result, in a state where the cover main body 31 is folded and attached to the pair of side frames 51 of the trolley 5, the operator can attach the loading platform 52 to the front end portion and the rear end portion thereof as shown in FIG. The cover main body 31 can be arranged diagonally to the dolly 5 which forms a substantially rectangular shape in a plan view when the dolly is in a substantially horizontal posture. Therefore, when the plurality of trolleys 5 are combined, the cover main body 31 attached to the adjacent trolley 5 does not interfere with the side frame 51 on the rear side of the trolley 5, which hinders the combination of the plurality of trolleys 5. There is no such thing.

Further, according to the present embodiment, the cover main body 31 is provided with two pairs of front and rear attachment / folding belts 16 for attaching the cover main body 31 to the left and right side pillars 28 of the pair of side frames 51 of the trolley 5. Since the front side surface 4 and the rear side surface 6 can be folded, it is not necessary to separately provide a dedicated belt for folding the two side surfaces 4 and 6, the number of parts can be reduced, and the configuration can be simplified.

Further, according to the present embodiment, since the reinforcing plate member 13 is provided inside the cover main body 31, it is possible to prevent a situation in which the central portion in the left-right direction particularly hangs downward on the top surface 2.

Further, according to the present embodiment, when the cover main body 31 is folded, the vicinity of the sewing machine surface 22 of the top surface 2 is moved downward from above as shown in FIG. 3C without opening the cover main body 31. Since the reinforcing plate member 13 that presses and hinders the folding of the top surface 2 can be removed from the top surface 2, the cover main body 31 can be folded in a short time.

10A and 10B are drawings of the cover 1 according to another preferred embodiment of the present invention, and FIG. 10A is a schematic perspective view of the cover 1 provided with a pair of front and rear shelf end accommodating portions 34. FIG. 10B is a schematic vertical sectional view showing a state in which a shelf 32 is hung on a pair of front and rear side frames 51 of a carriage 5 to which a cover 1 is attached.

In the present embodiment, since the cover 1 includes the pair of front and rear shelf end accommodating portions 34 shown in FIGS. 10 (a) and 10 (b), the cover 1 is attached to the trolley 5 for work. In order to improve workability, the person may hang the shelves 32 on the second pair of front and rear shelf support members 56 from the top among the four pairs of front and rear shelf support members 56 shown in FIG. 4 (a). can.

Specifically, the pair of front and rear shelf end accommodating portions 34 are located at positions facing the vicinity of the second pair of front and rear shelf support members 56 from the top on each of the front side surface 4 and the rear side surface 6 of the cover 1. , The shelf 32 is provided with an opening 35 having a shape that can be inserted in the front-rear direction from the inside of the cover main body 31, and the front end portion or the rear end portion of the shelf 32 is provided from the outside in the front-rear direction of the cover 1 so as to wrap the opening 35. A bag 36 having a shape that can be accommodated is attached to the front side surface 4 and the rear side surface 6, respectively. In the present embodiment, the pair of front and rear shelf end accommodating portions 34 are each formed of a tarpaulin, and are configured to be waterproof and cool.

In other words, the pair of front and rear shelf end accommodating portions 34 expand a part of the front side surface 4 and a part of the rear side surface 6 of the cover main body 31 outward in the front-rear direction by the opening 35 and the bag 36, respectively. The cover 1 according to the present embodiment has the same cold insulation performance as the cover 1 according to the embodiment shown in FIGS. 1 to 9 by completely wrapping the opening 35 with the bag 36.

As described above, the shelves 32 can be hung on the pair of front and rear side frames 51 of the carriage 5 to which the cover 1 on which the pair of front and rear shelf end accommodating portions 34 are formed is attached. ..

First, the operator moves the pair of front and rear pull tabs 20 shown in FIG. 10 upward to open the left side surface 8. At this time, workability is good if the left side surface 8 is hung on the top surface 2. In the same way, the right side surface 9 may be opened instead of the left side surface 8.

Next, from the inside of the cover 1, the front end portion of the shelf 32 is inserted into the shelf end portion accommodating portion 34 on the front side, and placed on the second shelf support member 56 from the top of the side frame 51 on the front side (see FIG. 4). ).

Here, the shelf 32 is provided with protrusions 33 extending downward at the front end and the rear end, respectively, and as shown in FIG. 10B, supports the shelf when the shelf 32 is hung on the pair of side frames 51. By arranging the protrusions 33 on the outer side in the front-rear direction with respect to the material 56, the front end portion and the rear end portion of the shelf 32 can be stably erected on the shelf support material 56.

After placing the front end of the shelf 32 on the front shelf support 56, the operator finally inserts the rear end of the shelf 32 into the rear shelf end accommodating portion 34 and the rear side. It is placed on the second shelf support member 56 from the top of the frame 51 in the same manner as the front end portion. At this time, by pushing the rear side surface 6 of the cover 1 from the inside to the rear, the rear end portion of the shelf 32 can be easily inserted into the shelf end portion accommodating portion 34 on the rear side.

As described above, after the front end portion of the shelf 32 is inserted into the front shelf end accommodating portion 34, the rear end portion of the shelf 32 is inserted into the rear shelf end accommodating portion 34, and the shelf 32 is inserted into a pair of side frames. The method of hanging on the 51 has been described. First, the rear end portion of the shelf 32 is inserted into the rear shelf end accommodating portion 34, and then the front end portion of the shelf 32 is inserted into the front shelf end accommodating portion 34. The shelves 32 can also be hung on the pair of side frames 51 by inserting them into the shelves.

According to the present embodiment, since the shelf end accommodating portion 34 is provided on the front side surface 4 and the rear side surface 6 of the cover main body 31, respectively, the shelf 32 can be viewed from the inside of the cover main body 31 attached to the trolley 5. With the front end and the rear end inserted into the shelf end accommodating portions 34 provided on the front side surface 4 and the rear side surface 6, the shelf 32 is attached to the pair of front and rear shelf support members 56 of the pair of side frames 51. Can be hung. Therefore, the object to be transported by the trolley 5 on which the shelf 32 is hung can be kept cold by the cover 1, and dust can be prevented from adhering to the object to be transported by the trolley 5.

The present invention is not limited to the above embodiments, and various modifications can be made within the scope of the invention described in the claims, and these are also included in the scope of the present invention. Needless to say.

For example, in the embodiment shown in FIGS. 1 to 9, the front side surface 4 of the cover body 31 faces the front side frame 51 of the carriage 5, and the rear side surface 6 of the cover 1 faces the rear side frame. The state in which the cover 1 is attached to the trolley 5 is shown so as to face the trolley 51, but the front side surface 4 of the cover main body 31 faces the side frame 51 on the rear side of the trolley 5, and the cover main body 31 It is also possible to place the cover main body 31 on the loading platform 52 and attach it to the trolley 5 so that the rear side surface 6 faces the front side frame 51.

Further, in the embodiment shown in FIGS. 1 to 9, each cover 1 is moved to the right end of each trolley 5 in advance before combining the four trolleys 5 to which the cover 1 is attached. Although the explanation was added to move the rear end portion of each cover 1 to the left end portion of each trolley 5 after each loading platform 52 of 5 is placed in a substantially vertical posture, the rear end portion of each cover 1 is moved to each trolley. It is not always necessary to move to the left end of 5, and by combining the four trolleys 5 with the entire cover 1 located at the right end of each trolley 5, naturally, from the right to 2 in FIG. The rear end of the cover 1 attached to the first bogie 5 is pushed by the side frame 51 on the rear side of the first bogie 5 from the right and slid to the left, and becomes the third bogie 5 from the right. The rear end of the attached cover 1 is pushed by the side frame 51 on the rear side of the second trolley 5 from the right and slid to the left, and the rear end of the cover 1 attached to the fourth trolley 5 from the right. Since the rear end is pushed by the side frame 51 on the rear side of the third bogie 5 from the right and slid to the left (the cover 1 is arranged diagonally in a plan view with respect to the bogie 5), there are a plurality of parts. The cover 1 does not interfere with the combination of the trolleys 5.

Further, in the embodiment shown in FIGS. 1 to 9, the bogie 5 to which the cover 1 is attached is provided with a wheel support portion 54 having two wheels 58 at each of the front portion, the central portion, and the rear portion. However, the length of the cover body 31 in the front-rear direction is extended even for a bogie having wheel support portions provided only on the front and rear parts of the bogie, that is, a bogie that is shorter in the front-rear direction than the bogie 5. By making it shorter, the cover according to the present invention can be used.

Further, in the embodiment shown in FIGS. 1 to 9, two pairs of front and rear upper mounting belts 12 functioning as the first mounting means are mounted on the front side surface 4 or the rear side surface 6, but the upper surface thereof. 2. It may be attached to the left side surface 8 or the right side surface 9.

Further, in the embodiment shown in FIGS. 1 to 9, a hook-and-loop fastener is used as a means for attaching to the pair of front and rear side frames 51, but the folded cover body 31 is slanted with respect to the carriage 5. As shown in FIG. 9, if it can be attached to the pair of front and rear side frames 51 with a gap between the cover main body 31 and the upper part of the pair of front and rear side frames 51, it can be attached. As the means, an elastic member such as rubber or another attachment means such as a string may be used.

Further, in the embodiment shown in FIGS. 1 to 9, as shown in FIGS. 5 to 8, two pairs of front and rear upper mounting belts 12 provided with hook-and-loop fasteners are provided with a pair of front and rear side frames 51. The cover main body 31 can be attached to the pair of side frames 51 of the trolley 5 by being wound around the upper pillar 29, but the front and rear two pairs of upper mounting belts 12 are directly wound around the upper pillar 29. Therefore, it is not always necessary to attach the upper part (free end) of each upper attachment belt 12 by engaging the upper part (free end) with the lower part of each upper attachment belt 12 with a hook-and-loop fastener without involving the upper pillar 29. The cover body 31 can be attached to the pair of side frames 51 by attaching a hook made of metal or resin to the upper part of the upper attachment belt 12 forming a substantially ring shape and hooking the hook on the upper pillar 29. It may be configured as.

With this configuration, when the cover body 31 is attached to or removed from the pair of side frames 51, the upper and lower portions of the upper mounting belts 12 are engaged with each other by a hook-and-loop fastener. Alternatively, the cover body 31 can be easily attached to the pair of side frames 51 by simply hooking or removing the hook attached to each upper attachment belt 12 to the upper pillar 29 without the trouble of peeling it off. Can be removed. The hook can also be obtained by engaging the upper portion of each upper mounting belt 12 with the lower portion so as to involve the lower portion of the hook when the upper portion of each upper mounting belt 12 is engaged with the lower portion. A hook can be attached to the upper attachment belt 12.

Further, in the embodiment shown in FIGS. 1 to 9, in FIG. 3, three hook-and-loop fasteners 15 provided on the upper surface of the reinforcing plate member 13 are provided at corresponding positions on the lower surface of the top surface 2. The reinforcing plate member 13 can be switched to a posture substantially parallel to the top surface 2 by attaching to the three fixing surface fasteners 30, but if the reinforcing plate member 13 can be removed from the outside of the cover main body 31, the reinforcing plate member 13 can be reinforced. The method of attaching the plate member 13 to the top surface 2 is not limited to this.

Further, in each embodiment shown in FIGS. 1 to 10, the perforations 22, 23, 24 and 25 shown in FIG. 1, the upper center belt 10 and the upper center surface fastener 11 are paired with each other in the front and rear. The cover body 31 is configured to be foldable by using the attachment / folding belt 16 and the folding surface fastener 17, but when the cover body 31 is folded, perforations 22, 23, 24 and 25 are formed on each surface. It is not always necessary to do. That is, if the cover body 31 is provided with the upper center belt 10, the upper center surface fastener 11, the front and rear two pairs of attachment / folding belts 16 and the folding surface fastener 17, as folding means, the cover body 31 is folded. Can be done.

Further, in each embodiment shown in FIGS. 1 to 10, the state in which the cover 1 is attached to the trolley 5 provided with the front and rear four pairs of shelf support members 56 is described, but the cover 1 is provided on the trolley 5. The number of the shelf support members 56 of the pair of front and rear side frames 51 may be 3 pairs or less or 6 pairs or more.

Further, in the embodiment shown in FIG. 10, the pair of front and rear shelf end accommodating portions 34 are the front and rear four pairs provided on the front and rear pair of side frames 51 on the front and rear side surfaces 4 and 6 of the cover main body 31. Of the shelf support members 56, the front end and the rear end of the shelf 32 to be hung on the second pair of front and rear shelf support members 56 from the top are provided at positions that can be accommodated, but it is not always necessary to arrange them at this position. Instead, a pair of front and rear shelf end accommodating portions 34 may be formed at positions capable of accommodating the front end portion and the rear end portion of the shelf hung at a height position above or below the shelf. Further, a plurality of shelf end accommodating portions arranged in the vertical direction are provided on the front side surface 4 and the rear side surface 6 of the cover 1, respectively, and in a state where the cover main body 31 is attached to the carriage 5, a plurality of front and rear side frames 51 are provided. The shelves 32 may be configured to be erected at different height positions.

1 Cover 2 Top 3 Bottom 4 Front side 5 Carriage 6 Rear side 7 Fastener 8 Left side 9 Right side 10 Upper center belt 11 Upper center surface fastener 12 Upper mounting belt 13 Reinforcing plate member 14 Pulling belt 15 Reinforcing plate member surface Fastener 16 Mounting and folding belt 17 Folding hook-and-loop fastener 18 Face fastener 19 Face fastener 20 Puller 21 Wing 22 Perforation 23 Perforation 24 Perforation 25 Perforation 26 Middle material 27 Packaging material 28 Side pillar 29 Top pillar 30 Fixed Hook-and-loop fastener 31 Cover body 32 Shelf 33 Convex part 34 Shelf end accommodating part 35 Opening 36 Bag 50 Car body 51 Side frame 52 Loading platform 53 Pillar material 54 Wheel support 55 Side frame support 56 Shelf support 57 Lower gap 58 Wheels

Claims (6)

In a plan view, a loading platform that is substantially rectangular and has a short side and a long side,
A pair of side frames provided in front of and behind the loading platform along the short sides of the loading platform.
A foldable trolley cover that is attached between the pair of side frames of a substantially rectangular trolley with a plurality of wheels provided at the lower end and has a substantially rectangular parallelepiped shape in an unfolded state. ,
A cover body having front and rear side surfaces facing the pair of side frames, left and right side surfaces not facing the pair of side frames, and a top surface and a bottom surface.
In order to attach the cover main body to the pair of side frames, a first mounting means provided on the front upper portion and the rear upper portion of the cover main body, and
Folding that allows the front and rear side surfaces, the top surface, and the bottom surface to be folded so that the left and right side surfaces are brought close to each other while being attached to the pair of side frames by the first attachment means. Equipped with means,
At least a part of at least one of the left and right sides can be opened and closed.
The first mounting means provided on the front upper portion and the rear upper portion of the cover main body in a state of being mounted on the pair of side frames by the first mounting means and folded by the folding means is the loading platform. A cover for a bogie, characterized in that the front end portion and the rear end portion of the cover body can be arranged at diagonal positions of a substantially rectangular bogie in a plan view by being moved in the lateral direction of the cover body. Further, the front lower portion and the rear lower portion of the cover main body are provided with a second attachment means for attaching the cover main body to the pair of side frames.
The trolley cover according to claim 1, wherein the second mounting means functions as the folding means for folding the front and rear side surfaces. The trolley cover according to claim 1, wherein the folding means is a fold line formed on the front and rear side surfaces, the top surface, and the bottom surface. The first mounting means is attached to the pair of side frames so that the front end portion and the rear end portion of the cover body can be arranged at the diagonal positions of the dolly while being folded by the folding means. The trolley cover according to any one of claims 1 to 3, wherein a space can be provided between the cover body and the cover body. Further, a reinforcing plate member that is removable from the top surface and prevents the top surface from hanging downward is provided inside the cover body.
The trolley cover according to any one of claims 1 to 4, wherein the reinforcing plate member can be removed from the top surface without opening the cover main body. On the front and rear side surfaces, there are openings for passing the front end and the rear end of the shelves spanning the pair of side frames of the bogie, respectively.
The trolley cover according to any one of claims 1 to 5, wherein a bag is provided that covers the opening and can accommodate the front end portion and the rear end portion of the shelf.

Images