JP7443637B2 - slider board - Google Patents

Description

The present invention relates to a slider board.

BACKGROUND ART Conventionally, a slider board is known, as disclosed in Patent Document 1, on which a load is placed on the upper side and slid when the load is transported. The entire slider board of Patent Document 1 is plate-shaped, and a plurality of protruding ribs that protrude upward are provided on the upper part of the slider board so as to extend along the cargo conveyance direction in plan view. There is. Further, the protruding ribs are arranged in parallel with each other with a gap between them.

In the case of Patent Document 1, when the load is placed on the protruding rib, the frictional resistance between the load and the slider board is smaller than that of a simple flat plate without the protruding rib structure. , the load can be easily slid even with a relatively small force. Therefore, it becomes possible to reduce the burden of transport work.

JP2017-197340A

However, in recent years, for example, due to the expansion of order transactions via the Internet, the number of packages delivered to customers has increased, and the amount of transportation work such as loading, unloading, and moving by delivery companies has also tended to increase. There is. For this reason, there has been a need for a new technique that can further reduce the burden on workers engaged in transport work.

The present invention has been made in view of the above-mentioned problems, and an object of the present invention is to provide a slider board that can further reduce the human labor burden on workers involved in conveyance work.

The slider board according to claim 1 includes a plurality of resin-made first protruding ribs extending along the cargo conveyance direction and provided parallel to each other with a gap therebetween, and a length of the first protruding ribs. The slider board has recesses that are formed at intervals in the direction and lower the height of the first protruding ribs, and a connecting part that connects the adjacent first protruding ribs to each other.

According to the above configuration, since the first protruding rib is provided with the recessed portions at intervals in the length direction, the cargo does not come into contact with the first protruding rib at the position of the recessed portion. Therefore, compared to a slider board in which the first projecting rib is not provided with a recess and the cargo contacts the entire upper surface of the first projecting rib, the frictional resistance between the cargo and the slider board can be reduced. .

In the slider board according to the second aspect, the connecting portion is a plurality of second protruding ribs provided in parallel with each other with a gap therebetween so as to intersect with the first protruding rib. According to the above configuration, since the slider board has the second protruding rib, when manufacturing the slider board by resin molding, it is possible to suppress warping of the resin that occurs in the molded product when the molten resin cools. Furthermore, if the second protruding rib is integrally molded with the first protruding rib, the second protruding rib also serves as the connecting part, which makes it possible to prepare the connecting part separately and assemble it with the first protruding rib. In comparison, the burden of production can be reduced.

In the slider board according to claim 3, the height of the second projecting rib is the same as the height of the first projecting rib. According to the above configuration, since the lower surface of the load simultaneously contacts the upper surface of the second protruding rib, it is easier to rotate the load on the slider board than in the case of a slider board having only the first protruding rib. becomes easier.

In the slider board according to the fourth aspect, the second projecting rib supports the first projecting rib from below. According to the above configuration, the second protruding rib supports the first protruding rib from below without placing the filling member on the entire lower side of the first protruding rib, which reduces the burden of manufacturing the slider unit. can be reduced.

According to the slider board according to the present invention, it is possible to further reduce the human labor burden on workers involved in conveyance work.

FIG. 1 is a perspective view illustrating the configuration of a slider board according to a first embodiment of the present invention. FIG. 2 is a plan view illustrating the configuration of the slider board according to the first embodiment. 3(A) is a front view of the slider board according to the first embodiment, FIG. 3(B) is a sectional view taken along line 3B-3B in FIG. 4, and FIG. 3(C) is a front view of the slider board according to the first embodiment. It is a sectional view taken along line 3C-3C inside. 4(A) is a side view of the slider board according to the first embodiment, FIG. 4(B) is a sectional view taken along the line 4B-4B in FIG. 2, and FIG. 4(C) is a side view of the slider board according to the first embodiment. It is a sectional view taken along line 4C-4C inside. FIG. 2 is a partially enlarged cross-sectional view illustrating a state in which luggage is placed on the slider board according to the first embodiment. It is a top view explaining the structure of the slider board concerning a 2nd embodiment of the present invention. 7A is a sectional view taken along line 7A-7A in FIG. 6, and FIG. 7C is a sectional view taken along line 7A-7A in FIG. 6 in a slider board according to a modification (first modification) of the second embodiment. FIG. 7 is a cross-sectional view corresponding to the position of line -7A. It is a side view of the slider board concerning a 2nd embodiment. It is a top view explaining the composition of the slider board concerning the modification (the 2nd modification) of a 2nd embodiment. FIG. 10(A) is a cross-sectional view of the slider board according to the third modification, corresponding to the position of line 4C-4C in FIG. 2, and FIG. 10(B) is a sectional view of the slider board according to the fourth modification. 3 is a sectional view corresponding to the position of line 4C-4C in FIG. 2. FIG. FIG. 11(A) is a cross-sectional view of the slider board according to the fifth modification, corresponding to the position of line 4C-4C in FIG. 2, and FIG. 11(B) is a sectional view of the slider board according to the sixth modification. 3 is a sectional view corresponding to the position of line 4C-4C in FIG. 2. FIG.

The first and second embodiments will be described below. In the description of the drawings below, the same or similar parts are denoted by the same or similar symbols. However, the drawings are schematic, and the relationship between thickness and planar dimensions, the ratio of the thickness of each device and each member, etc. are different from the reality. Therefore, specific thickness and dimensions should be determined with reference to the following explanation. Furthermore, the drawings include portions that differ in dimensional relationships and ratios.

-First embodiment-
<Slider board configuration>
First, a slider board 10 according to a first embodiment will be described with reference to FIGS. 1 to 5. As shown in FIG. 1, the slider board 10 of the first embodiment is laid on the ground G in a facility such as a distribution warehouse, and carries the cargo 20 placed on the upper side along the transport direction D. This is a conveyance auxiliary device used for sliding.

The slider board 10 has a plurality of first protruding ribs 12 and a connecting portion 16. The slider board 10 is made of resin, and can be manufactured by integral molding using a resin material such as polyacetal (POM), for example. In addition, in the present invention, the slider board is not limited to integral molding, but may be constructed by joining the separately molded first protruding rib 12 and connecting portion 16 with an adhesive or the like. Further, the connecting portion is not limited to being made of resin, and for example, a glass material or a metal material may be used as the connecting portion.

As shown in FIG. 2, the first protruding ribs 12 extend along the transport direction D of the cargo 20 and are provided parallel to each other with a gap between them. In the first embodiment, the widths of the gaps between the 12 adjacent first protruding ribs 12 (the lengths in the left-right direction in FIG. 2) are approximately equal, but in the present invention, the widths of the gaps are They may be different from each other. Further, the number of first protruding ribs 12 can also be changed as appropriate.

A plurality of recesses 14 are formed in the first protruding rib 12 at intervals in the lengthwise direction (conveying direction D) of the first protruding rib 12 . In the first embodiment, a case is illustrated in which three recesses 14 are provided at approximately equal intervals for one first protruding rib 12, but in the present invention, for one first protruding rib 12, three recesses 14 are provided at approximately equal intervals. The number and spacing of the recesses 14 can be changed as appropriate. Further, in FIG. 2, the positions of the recesses 14 of each of the twelve first protruding ribs 12 are aligned in a horizontal straight line in plan view, but the present invention is not limited to this. Can be placed in any position.

The connecting portion 16 is a rectangular plate member in plan view, and is provided below the 12 first protruding ribs 12 as shown in FIG. 3(A). While supporting the shaped ribs 12, the adjacent first protruding ribs 12 are integrally connected to each other.

As shown in FIGS. 3(A) and 3(B), the first protruding rib 12 protrudes upward from the upper surface of the connecting portion 16, and when viewed in cross section, the first protruding rib 12 protrudes upward from the top surface at least at the tip. It is thinner and more pointed. Furthermore, as shown in FIG. 3C, the first protruding rib 12 is not present at the position of the recess 14 of the slider board 10, and the upper surface of the connecting portion 16 is exposed. In addition, the tip of the first projecting rib has an appropriately rounded shape to prevent it from digging into the bottom of the load being placed and to prevent the tip from becoming too sharp and becoming easily damaged. You can also do this.

As shown in FIG. 4(A), in a side view, four arches are formed at the upper end of the first protruding rib 12 along the length direction of the first protruding rib 12 by the contour of the upper end. has been done. As shown in FIG. 4(B), in the four arches, the central portion in the conveyance direction D has the highest height and forms the top of the first protruding rib 12. Further, the heights of the tops of the four arches are approximately equal. The lower surfaces of the loaded luggage 20 come into contact with the tops of the four arches.

On the other hand, in the recessed portion 14 located at the boundary between adjacent arches, the height of the first protruding rib 12 is the lowest. That is, in the first embodiment, the height of the first protruding rib 12 is lowered by the recess 14 . Note that, as shown in FIGS. 2 and 4(C), at the position of the gap between the first protruding ribs 12 adjacent in the direction perpendicular to the conveyance direction D, the first protruding ribs 12 are not present. The upper surface of the connecting portion 16 is exposed. In other words, the height of the upper surface at the position of the gap between adjacent first protruding ribs 12 and the height of the upper surface at the position of the concave portions 14 of adjacent arches of the first protruding ribs 12 are approximately equal.

Note that the method for reducing the height of the first protruding rib 12 is not limited to a method in which the height of the end portion is lowered from the center. In addition, even if the upper surface of the first protruding rib is flat and the height of the end portion and the height of the center are almost the same, a gap is left between the first protruding ribs along the conveyance direction D to connect the first protruding ribs. The recess can also be realized by providing a recess in the upper part of the portion 16. In other words, the method for defining the recess is that even if the height of the rib itself is lowered, there is a member below the rib that acts as a base, such as the connecting part 16, and that member has the height of the rib. This also includes cases where a recess is provided to lower the height.

In the first embodiment, for example, in the vertical direction in FIG. 4, the thickness of the connecting portion 16 is about 0.2 mm, the thickness at the top of the first protruding rib 12 is about 1.4 mm, and The depth of the recess 14 can be set to about 1.4 mm. Note that in the present invention, the thickness, height, and depth of each part of the slider board 10 are not limited to fixed values, and may vary depending on the weight of the target baggage 20, the size of the place where the slider board 10 is placed, etc. It can be set as appropriate depending on the situation.

When transporting the load 20 using the slider board 10, the load 20 can be manually pushed out or pulled along the transport direction D by a worker, for example. Alternatively, the cargo 20 may be transported mechanically using a traction device or the like.

(effect)
When using the slider board 10, as shown in FIGS. 1 and 5, when a load 20 is placed on the upper side, the lower surface of the load 20 comes into contact with the top position of the arch of the first projecting rib 12. On the other hand, at the position of the recess 14, the cargo 20 does not come into contact with the first protruding rib 12. Therefore, according to the first embodiment, compared to a slider board in which the first projecting rib 12 is not provided with the recess 14 and the cargo 20 contacts the entire upper surface of the first projecting rib 12, the cargo 20 and the slider Frictional resistance between the board 10 and the board 10 can be reduced. Therefore, the human labor burden on workers involved in transport work can be further reduced compared to the conventional method.

Further, in the first embodiment, the arch of the first protruding rib 12 is arcuate in side view. Therefore, during actual manufacturing, even if the heights of adjacent arches are slightly uneven, or if the slider board 10 bends slightly due to the load of the cargo 20 and the cargo 20 tilts back and forth, the cargo 20 and Since the contact is generally concentrated at one point on the arc, the contact area can be kept small. Further, compared to a triangular pyramid shape or the like that ensures one-point contact, it is possible to reduce the amount of biting into the baggage 20.

-Second embodiment-
<Slider board configuration>
Next, a slider board 10A according to a second embodiment will be described with reference to FIGS. 6 and 7(A). As shown in FIG. 6, the slider board 10A according to the second embodiment differs from the first embodiment in that it further includes a second protruding rib 18. Therefore, the second protruding rib 18 will be mainly described below. do. In addition, other members of the slider board 10A according to the second embodiment other than the second protruding rib 18 are equivalent to the members with the same names in the slider board 10 according to the first embodiment, so duplicate explanations will be omitted. do.

A plurality of second protruding ribs 18 are provided in parallel with each other with gaps between them so as to be orthogonal to the first protruding ribs 12 in plan view. In the second embodiment, the widths of the gaps between the 12 adjacent second projecting ribs 18 (the lengths in the vertical direction in FIG. 6) are approximately equal, but in the present invention, the widths of the gaps are They may be different from each other. Further, the number of second protruding ribs 18 can also be changed as appropriate.

Further, although not shown, in a position where the first protruding rib 12 is not present on the upper side, the second protruding rib 18 also extends upward from the upper surface of the connecting portion 16, similarly to the first protruding rib 12. It is thinner and more pointed. On the other hand, when viewed from the side (perpendicular) to the direction in which the second protruding rib 18 extends, the upper edge of the second protruding rib 18 does not have an arch shape like the first protruding rib 12. It extends horizontally. That is, the height of the top of the second protruding rib 18 is constant.

FIG. 7(A) is a cross-sectional view at the top position of the first protruding rib 12 between adjacent recesses 14 along the conveyance direction D. FIG. As shown in FIG. 7A, the height of the top of the second protruding rib 18 is approximately the same as the height of the top of the first protruding rib 12. As shown in FIG. Therefore, when the load is slid, the lower surface of the load also comes into contact with the top of the second protruding rib 18.

As shown in FIG. 8, the second protruding ribs 18 are arranged not only in the position of the interval between the first protruding ribs 12 adjacent in the width direction (the left-right direction in FIG. 7), but also in It is also provided at a position between the bottom part and the connecting part 16. That is, the second protruding rib 18 has a portion that supports the first protruding rib 12 from below, like a pier for the arch of the first protruding rib 12 .

(effect)
Also in the slider board 10A according to the second embodiment, the frictional resistance between the cargo and the slider board 10 can be reduced, so that the human labor burden on the worker involved in the conveyance work can be further reduced compared to the conventional method. In addition, in the second embodiment, since the slider board 10A has the second protruding rib 18, when the slider board 10A is manufactured using resin molding, resin warpage occurs in the molded product when the molten resin cools. can be suppressed. For example, when the overall thickness is as thin as about 2 mm, the second embodiment is particularly effective because integral molding using resin causes significant warpage of the resin.

Further, in the second embodiment, since the second protruding rib 18 is provided to intersect with the first protruding rib 12, the rigidity of the slider board 10A can be improved.

Furthermore, in the second embodiment, since the lower surface of the luggage 20 contacts the upper surface of the second protruding rib 18, the luggage 20 can be easily rotated on the slider board 10. Here, in the plan view of FIG. 6, while the cargo 20 is being slid upward along the conveyance direction D, the sliding of the cargo 20 is temporarily stopped, and the cargo 20 is slid downward in the opposite direction. Consider the case where you want to do so. For example, if a member such as a hook for towing is provided on the baggage 20 side, and the hook or other member is provided only in the upper area of the baggage 20 in FIG. 6, the baggage 20 may be rotated approximately 180 degrees. Then, it becomes necessary to turn the hook or other member downward.

However, in the second embodiment, not only the top of the first protruding rib 12 but also the top of the second protruding rib 18 is in contact with the lower surface of the cargo 20 . Furthermore, the first protruding ribs 12 extend along the conveyance direction D, while the second protruding ribs 18 extend perpendicularly to the first protruding ribs 12. Therefore, rotation of the cargo 20 in a direction other than the direction in which the first protruding rib 12 extends is smoothly promoted by the second protruding rib 18 . As a result, in the second embodiment, the work of rotating the cargo 20 on the slider board 10A becomes easier than in the case of the slider board 10 having only the first protruding rib 12 as in the first embodiment.

In addition, in the case of the second protruding rib 18 described in the second embodiment, the height of the uppermost part is almost the same, but the height of the second protruding rib 18 is changed depending on the position. The shape of the rib can be changed as appropriate. For example, the shape of the second protruding rib may be arched in side view like the first protruding rib 12 so that the second protruding rib contacts the cargo 20 in a dotted manner. Here, the second protruding rib intersects with the first protruding rib. Therefore, when the second protruding rib contacts the cargo 20 in a linear manner, the direction in which the second protruding rib extends is shifted from the extending direction (conveying direction D) of the first protruding rib that contacts the cargo 20 in a dotted manner. The slidability of the cargo 20 along the transport direction D may be reduced. In this regard, if the area where the second protruding rib contacts the cargo 20 is adjusted by appropriately changing the shape of the uppermost part of the second protruding rib, the effect of rotatability of the cargo 20 and the conveying direction D This can be balanced against the effect of reducing the slippage of the load 20 along the .

Furthermore, if the ground G on which the slider board 10A is laid is, for example, concrete with minute irregularities or grooves formed on the surface, the conveyance surface of the slider board 10A may be Partial bending may prevent smooth conveyance. However, in the second embodiment, the lower end of the first protruding rib 12 and the lower end of the second protruding rib 18 are arranged such that both the first protruding rib 12 and the second protruding rib 18 contact the ground G. are arranged. Therefore, even if minute irregularities or grooves are formed on the ground G, the contact area between the slider board 10A and the ground G is secured, so the influence of bending is suppressed, and smooth conveyance can be achieved.

Furthermore, in the second embodiment, the second protruding rib 18 supports the first protruding rib 12 like a bridge pier without placing a filling member such as resin on the entire lower side of the first protruding rib 12. Support from the side. Therefore, it is possible to reduce the burden of manufacturing, such as reducing the amount of materials required when manufacturing the slider board 10A. Other effects of the slider board 10A according to the second embodiment are the same as those of the first embodiment.

<First modification example>
In the case of the slider board 10A according to the second embodiment shown in FIG. 6, the height of the second protruding rib 18 at the top position of the first protruding rib 12 is approximately It was the same. However, in the present invention, the height of the second protruding rib 18A at the top position of the first protruding rib 12 is lower than the height of the first protruding rib 18A, as in the slider board 10B illustrated in FIG. 7(B). It can also be lower than the height of 12.

In the first modification, the lower surface of the cargo 20 does not contact the upper surface of the second protruding rib 18A, so the contact area becomes smaller. Therefore, when the cargo 20 is slid along the transport direction D, the second protruding rib 18A does not affect the sliding, so the cargo 20 can be smoothly slid on the first protruding rib 12. can. Other effects of the slider board 10B according to the first modification are the same as those of the slider boards 10 and 10A shown in FIGS. 1 to 7.

<Second modification example>
In the case of the slider board 10A according to the second embodiment shown in FIG. The extending direction is not limited to the orthogonal direction. Like the slider board 10C illustrated in FIG. 9, the second protruding rib 18B may be provided so as to intersect the first protruding rib at an angle of approximately 45 degrees in plan view. That is, in the present invention, as long as the second protruding rib intersects with the first protruding rib, the intersecting angle between the first protruding rib and the second protruding rib can be set arbitrarily. Further, in the second modification, a connecting portion that connects the plurality of first protruding ribs 12 is not provided, and the second protruding rib 18B functions as a connecting portion.

Also in the second modification, the lower surface of the item 20 comes into contact with the top of the second protruding rib 18B, making it easier to rotate the item 20 on the slider board 10C. In addition, in the second modification, since the second protruding rib 18B also serves as a connecting portion, there is no need to separately prepare a connecting portion, so that it is possible to reduce the amount of materials required when manufacturing the slider board 10C, etc. It can reduce the burden. Other effects of the slider board 10C according to the second modification are the same as those of the slider boards 10, 10A, and 10B shown in FIGS. 1 to 7.

<Third modification example>
Furthermore, although the first protruding ribs 12 described in FIGS. 1 to 9 are all curved to form an arch when viewed from the side, the present invention is not limited to this. For example, as shown in FIG. 10(A), the shape of the first protruding rib 12A may be such that the upper edge of the central region in the conveying direction D is flat, and both ends are curved.

Also in the slider board 10D according to the third modification, since the load does not come into contact with the first protruding rib 12A at the position of the recess 14, the frictional resistance between the load and the slider board 10D can be reduced. Furthermore, even if the weight of the item 20 is relatively large and the bottom surface of the item 20 is relatively soft, since the flat part exists at the upper end of the arch of the first protruding rib 12A, the first protruding rib 12A It is possible to prevent the ribs 12A from biting into the cargo 20. Other effects of the slider board 10D according to the third modification are the same as those of the slider boards 10, 10A to 10C shown in FIGS. 1 to 9.

<Fourth variation>
Further, as shown in FIG. 10(B), the shape of the first protruding rib 12B is such that the upper edge of the central region in the conveying direction D is flat, and both ends are inclined with respect to the conveying direction D. good. That is, the shape of the first protruding rib 12B is a trapezoidal shape in which the upper base is shorter than the lower base when viewed from the side.

Also in the slider board 10E according to the fourth modification, since the load does not come into contact with the first protruding rib 12B at the position of the recess 14, the frictional resistance between the load and the slider board 10E can be reduced. Other effects of the slider board 10E according to the third modification are the same as those of the slider boards 10, 10A to 10C shown in FIGS. 1 to 10.

<Fifth modification example>
In each of the slider boards 10, 10A to 10C described in FIGS. 1 to 9, the first protruding rib 12 is formed by four arches continuously provided along the conveyance direction D in a side view. However, the configuration of the first protruding rib is not limited to this. For example, as shown in FIG. 11(A), a plurality of first protruding rib units 22 may be arranged at intervals on the same straight line along the conveyance direction D.

In the case of the fifth modification, the four first protruding rib units 22 function as one first protruding rib. Note that in the present invention, the number of first projecting rib units 22 is not limited to four, and can be changed as appropriate. Further, although not shown, the first protruding rib units 22 are arranged parallel to each other with gaps in between in the direction penetrating the plane of FIG. 11(A) (direction perpendicular to the conveying direction D). Further, the arranged first protruding rib units 22 are connected by a connecting portion 16A to form a slider unit 24.

In the fifth modification, four slider units 24 are arranged at approximately equal intervals along the conveyance direction D and are integrally supported by a base member 26. The base member 26 is plate-shaped or sheet-shaped, and for example, a plastic plate, a rubber tent sheet, or the like can be used as the base member 26. The four slider units 24 and the base member 26 can be joined using adhesive, double-sided tape, or the like, for example.

In the case of the fifth modification, a recess 14 is formed between the first protruding rib units 22 adjacent in the left-right direction in FIG. 11(A). The other configurations of the slider board 10F according to the fifth modification are equivalent to the members with the same names in the slider boards 10, 10A to 10E shown in FIGS. 1 to 10, and therefore redundant explanation will be omitted.

Also in the slider board 10F according to the fifth modification, the frictional resistance between the cargo 20 and the slider board 10F can be reduced, so that the burden associated with the conveyance work can be further reduced compared to the conventional case. Other effects of the slider board 10F according to the fifth modification are the same as those of the slider boards 10, 10A to 10E shown in FIGS. 1 to 10.

<Sixth variation>
Further, the first projecting rib units 22 can be directly connected by the base member 26 without using the connecting portion 16A in FIG. 11(A) described in the fifth modification. As shown in FIG. 11(B), in a slider board 10G according to the sixth modification, a plurality of first protruding rib units 22 are arranged parallel to each other in the conveying direction D with gaps between them on the base member 26. An example is shown in which the Further, the plurality of first protruding rib units 22 are arranged parallel to each other with a gap therebetween also in the direction penetrating the plane of the paper in FIG. 11(B) (direction perpendicular to the conveying direction D). That is, in the sixth modification, four slider units 24A are configured without using a connecting portion.

According to the sixth modification, since a connecting portion for connecting the first protruding rib units 22 is not required, the burden of manufacturing can be reduced, such as by reducing the amount of materials required when manufacturing the slider board 10G. . Other effects of the slider board 10G according to the sixth modification are the same as those of the slider boards 10, 10A, and 10B shown in FIGS. 1 to 7.

<Other embodiments>
Although the present invention has been described using the embodiments disclosed above, the statements and drawings that form part of this disclosure should not be understood as limiting the present invention. For example, the first protruding rib is configured such that the arch-shaped region shown in FIG. 4(B) and the trapezoidal region shown in FIG. 10(B) are mixed in one first protruding rib. It is also possible to configure ribs.

Further, the shape of the first protruding rib between adjacent concave portions along the conveyance direction D is not limited to an arch shape or a trapezoidal shape, but as long as a concave portion that lowers the height of the first protruding rib is provided. Can be changed as appropriate. For example, when viewed from the side, any geometrical shape such as a rectangular shape or a triangular shape can be adopted as the shape of the first protruding rib.

For example, in the case of the slider board 10C shown in FIG. 9, the first protruding rib 12 that extends in the vertical direction and the upper left side that intersects with the first protruding rib 12 at about 45 degrees in plan view. A second protruding rib 18B was provided extending from the lower right side. However, in FIG. 9, another second protruding rib symmetrically with the second protruding rib 18B intersects the first protruding rib 12 at about 45 degrees and extends from the upper right side to the lower left side. Further, it may be provided. By adding another second protruding rib and intersecting the three protruding ribs, it is possible to further suppress warping and improve the rigidity of the slider board. Note that in the present invention, the intersecting state of the protruding ribs is not limited to left-right symmetry in plan view.

Further, for example, the slider board 10C shown in FIG. 9 is not provided with a connecting portion and the second protruding rib 18B functions as a connecting portion, but the slider board 10C shown in FIG. A connecting portion 16 as described above can also be provided.

Further, for example, in the first and second embodiments, the case where the luggage is placed directly on one slider board and slid is exemplified, but the method of using the slider board in the present invention However, it is not limited to this. For example, on top of a slider board (first slider board) placed on the ground, an additional slider board (second slider board) is placed on top of the slider board (second slider board) so that the protruding ribs face each other, and the upper A load may be placed on the second slider board of the vehicle. Then, the cargo may be slid along the conveyance direction together with the second slider board. By sliding the two slider boards together, cargo can be transported more smoothly.

Furthermore, the present invention may be configured by partially combining the configurations of the respective slider boards shown in FIGS. 1 to 11. The present invention includes various embodiments not described above, and the technical scope of the present invention is determined only by the matters specifying the invention in the claims that are reasonable from the above description.

10, 10A to 10G Slider board 12, 12A, 12B First protruding rib 14 Concave portion 16, 16A Connecting portion 18, 18A, 18B Second protruding rib 20 Load D Conveying direction

Claims (3)

A plurality of arches are provided extending along the conveyance direction of the cargo, parallel to each other with gaps between them, and are continuous in the conveyance direction so as to have a plurality of arch shapes when viewed from the side in a width direction perpendicular to the conveyance direction. a plurality of first protruding ribs made of resin, the plurality of arch-shaped boundary portions being recessed portions;
a plate-like member disposed between adjacent first protruding ribs, a connecting portion extending in the length direction of the first protruding ribs and connecting lower sides of the first protruding ribs; ,
has
The connecting portion is provided with a plurality of second protruding ribs parallel to each other with a gap therebetween so as to intersect with the first protruding ribs .
slider board. The height of the top of the second protruding rib is the same as the height of the top of the first protruding rib.
The slider board according to claim 1 . the second protruding rib supports the first protruding rib from below;
The slider board according to claim 1 or 2 .