Tray

Abstract

To disclose a technology that allows luggage to be loaded onto a tray using a forklift.SOLUTION: A tray 10 of the present disclosure includes a plurality of support base portions 20 and 30 that protrude upward and can support a luggage 90 from below, arranged in three rows, with a pair of fork receiving portions 101, into which forks can be inserted below the luggage 90, formed between the rows. In addition, the tray includes first restricting protrusions 60 and 61 for restricting displacement of the luggage 90 in a first horizontal direction H1, which is a fork insertion / removal direction into / from the pair of fork receiving portions 101, and a second restricting protrusion 63 for restricting displacement of the luggage 90 in a second horizontal direction H2 orthogonal to the first horizontal direction H1. Furthermore, the first restricting protrusions 60 and 61 include: an inlet-side first restricting protrusion 60 that protrudes upward from a support base portion 20 in the center row on a fork insertion / removal opening side, and a back-side first restricting protrusion 61 that protrudes upward from the support base portion 20 in the center row at a position away from the fork insertion / removal opening and is higher than the inlet-side first restricting protrusion 60.SELECTED DRAWING: Figure 3

Description

[Technical field]

[0001] The present disclosure relates to a tray having a restricting portion that restricts horizontal movement of luggage. [Background technology]

[0002] A known conventional tray of this kind has a recessed regulating portion capable of receiving luggage (see, for example, Patent Document 1). [Prior art documents] [Patent documents]

[0003] [Patent Document 1] JP-A-7-41077 (Figs. 1 and 2) Summary of the Invention [Problem to be solved by the invention]

[0004] However, the above-mentioned conventional trays cannot meet the demand for loading cargo onto the trays using a forklift. Therefore, this application discloses a technique that enables loading cargo onto the trays using a forklift. [Means for solving the problem]

[0005] One aspect of the invention disclosed herein is a tray comprising three rows of support base sections that protrude upward and can support luggage from below, with a pair of fork receiving sections between each row allowing forks to be inserted beneath the luggage, and a first regulating protrusion that regulates displacement of the luggage in a first horizontal direction which is the direction in which forks are inserted and removed from the pair of fork receiving sections, and a second regulating protrusion that regulates displacement of the luggage in a second horizontal direction perpendicular to the first horizontal direction, wherein the first regulating protrusions include an entrance-side first regulating protrusion that protrudes upward from the support base sections in the central row on the side of the fork insertion / removal opening for the pair of fork receiving sections in the first horizontal direction, and a rear-side first regulating protrusion that protrudes upward from the support base sections in the central row at a position away from the fork insertion / removal opening and is higher than the entrance-side first regulating protrusion. Effect of the Invention

[0006] The tray according to one embodiment of the present disclosure includes three rows of support bases that protrude upward and can support cargo from below, and a pair of fork receiving sections are provided between the rows. This allows a pair of forks carrying cargo to be lowered from above the tray, and the cargo can be placed across the three rows of support bases, and then the pair of forks can be lowered into the pair of fork receiving sections to be removed. That is, the cargo can be placed on the tray by a forklift. The cargo placed on the support bases is restricted by the first regulating protrusion from displacing in a first horizontal direction, which is the direction in which the forks are inserted into and removed from the fork receiving sections, and is restricted by the second regulating protrusion from displacing in a second horizontal direction perpendicular thereto. Here, when the cargo is placed, a tilt operation may be performed to move the pair of forks from a tip-up inclined position to a horizontal position. In contrast, the rear first restricting protrusion located away from the fork insertion / removal opening among the first restricting protrusions is higher than the entrance first restricting protrusion located on the fork insertion / removal opening side, so even if a load is placed on the support base by tilting the tray, the load fits smoothly between the rear first restricting protrusion and the entrance first restricting protrusion. In other words, according to the tray of one aspect of the invention disclosed herein, it is easy to operate a forklift when placing loads on the tray. [Brief description of the drawings]

[0007] [Figure 1] Perspective view of pallets, trays and luggage [Diagram 2] Perspective view of a pallet [Diagram 3] Perspective view of the tray [Figure 4] A perspective view of the bottom side of the tray [Diagram 5] Enlarged perspective view of a portion of the tray [Figure 6] A perspective view of the center row support base [Figure 7] Side cross-sectional view of the center row support base [Figure 8] A perspective view of the support base of the end row [Figure 9] FIG. 9A is a side view of the tray as viewed from a first horizontal direction, and FIG. 9B is a side view of the tray as viewed from a second horizontal direction. [Figure 10] Side cross-sectional view of the pallet, tray and cargo from the second horizontal direction [Figure 11] A cross-sectional side view of a pallet, tray and cargo from a first horizontal direction. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0008] A tray 10 according to an embodiment of the present disclosure will be described below with reference to Figures 1 to 11. Figure 1 shows a state in which a pair of packages 90 are placed on the tray 10 stacked on a pallet 70.

[0009] The pair of luggage 90 are, for example, identical, have an overall rectangular parallelepiped shape, and have an overhanging portion 91 at the lower end. The overhanging portion 91 is, for example, a horizontally long rectangle, and both ends of the long side of the rectangle overhang the side surface of the entire luggage 90, while both ends in the direction of the short side overhang slightly from the side surface of the entire luggage 90.

[0010] 2 shows the pallet 70 in a standalone state with the tray 10 removed. The pallet 70 is, for example, a resin injection-molded product with a rail structure, and a deck board 71 having a luggage placement surface 71A on its upper surface has a plurality of upper surface openings 72 formed therethrough in the vertical direction. The planar shape of the deck board 71 is a rectangle whose first horizontal direction H1 is larger than the second horizontal direction H2, and a plurality of beams 73 protruding downward from the deck board 71 are provided at the four corners, the centroid, and the center of each outer edge of the rectangle. The spaces between the beams 73 form fork receiving portions 74 into which a pair of forks F (see FIG. 9A) can be inserted from the first horizontal direction H1 and the second horizontal direction H2.

[0011] The pallet 70 of the present embodiment is not manufactured for the tray 10, but is a general-purpose pallet that can be used by itself, but may be a pallet dedicated to the tray 10. The pallet 70 may be made of wood or metal.

[0012] 3 shows the tray 10 in a separate state removed from the pallet 70. The tray 10 is, for example, a vacuum-formed resin product, and is formed by placing a resin sheet on a heated mold (not shown) and sucking the resin sheet through multiple holes in the mold. The planar shape of the tray 10 is a rectangle with a first horizontal direction H1 longer than a second horizontal direction H2, and is slightly smaller than the cargo placement surface 71A of the pallet 70.

[0013] An outer edge protrusion 14 protrudes from the entire outer edge of the tray 10. As shown in FIG. 4, the outer edge protrusion 14 has a groove structure with an open bottom surface. Also, as shown in FIG. 3, the outer edge protrusion 14 is divided into a plurality of lower step portions 15 and a plurality of upper step portions 16 by lowering a plurality of positions of the tray 10. By adopting such a stepped structure, the strength against the load that expands the outer edge protrusion 14 in the width direction is increased compared to a case without a stepped structure. More specifically, the lower step portions 15 are arranged at intervals at, for example, four positions excluding both ends on the outer edge of a pair of long sides of the tray 10, and the lower step portion 15 is arranged at one central position on the outer edge of a pair of short sides of the tray 10. Also, the step portion 14D between the lower step portion 15 and the upper step portion 16 is inclined with respect to the longitudinal direction of the outer edge protrusion 14.

[0014] A joint 17 is formed at each upper step 16 of the outer edge protrusion 14. As shown in FIG. 5, the joint 17 is formed by bending a part of a pair of opposing walls of the outer edge protrusion 14 facing each other in the width direction into a square groove shape toward each other, and bending the center of the bottom surface of the square groove into a V-groove shape so that they are fixed to each other. In addition, a plurality of square grooves 18 are formed at the upper step 16 of the outer edge protrusion 14 on the pair of short sides of the tray 10. The square grooves 18 are simply formed by bending the outer opposing walls of the pair of opposing walls of the outer edge protrusion 14 into a square groove shape. The joints 17 and the square grooves 18 increase the bending strength of the pair of opposing walls of the outer edge protrusion 14, and the joints 17 prevent the pair of opposing walls at the upper step 16 of the outer edge protrusion 14 from opening. In addition, a step portion 14D between the lower stage 15 and the upper stage 16 of the outer edge protrusions 14 on a pair of short sides of the tray 10 also functions as a marker for the fork insertion / removal opening for a pair of fork receiving portions 101 described later.

[0015] As shown in Fig. 3, the tray 10 is provided on the inner side of the outer edge protrusion 14 with a horizontal plate-like base wall 11 and support base parts 20, 30 that protrude upward from the base wall 11 and are arranged in three rows at intervals in the second horizontal direction H2. As shown in Fig. 4, the support base parts 20, 30 have a bag structure with an open bottom, and as shown in Fig. 3, they have a plurality of luggage placement surfaces 50 included in a common imaginary horizontal plane and a plurality of regulating protrusions 60, 61, 63 that protrude upward from the imaginary horizontal plane. The plurality of luggage placement surfaces 50 are divided into two groups in the first horizontal direction H1, and the luggage placement surfaces 50 of each group are surrounded by the plurality of regulating protrusions 60, 61, 63 from all four sides in the first horizontal direction H1 and the second horizontal direction H2 to form a pair of work receiving parts 100 (see Figs. 9A and 9B). Then, as shown in FIG. 1, the protruding portion 91 of each load 90 is received in the work receiving portion 100 and placed in a state in which it straddles the multiple support base portions 20, 30.

[0016] 6, the support base 20 in the center row generally has a groove structure extending linearly in the first horizontal direction H1, and includes regulating protrusions 60, 61 at both ends and the center in the longitudinal direction. Between the central regulating protrusion 61 and the regulating protrusions 60 at each end, the luggage placement surface 50 extends in the first horizontal direction H1, and a horizontal groove 21 is formed in the center of the longitudinal direction of each luggage placement surface 50, crossing the support base 20 in the second horizontal direction H2. The inner surface of each horizontal groove 21 has a saddle shape that is rounded in the first horizontal direction H1 and the second horizontal direction H2, and the height of the bottom surface of the horizontal groove 21 from the base wall 11 is, for example, about half the height from the base wall 11 to the luggage placement surface 50. The support base portion 20 has a structure in which the luggage placement surface 50 is divided by the horizontal groove portion 21 and the regulating protrusion portion 61, and four support base main body portions 22 each having a luggage placement surface 50 are arranged in a row in the first horizontal direction H1.

[0017] As shown in Fig. 4, the regulating protrusions 60, 61 have a bag structure with an opening inside the groove structure of the entire support base 20, and as shown in Fig. 6, for example, in the first horizontal direction H1, the regulating protrusions 60, 61 are flat and gradually narrower in both the first horizontal direction H1 and the second horizontal direction H2 as they go upward. In addition, the portion of the upper surface of the support base 20 from which the regulating protrusions 60, 61 protrude forms a protrusion standing surface 28 that is slightly lower than the luggage placement surface 50. The central regulating protrusion 61 and the regulating protrusions 60 at each end sandwich the luggage 90 in the first horizontal direction H1 to regulate the displacement (movement) of the luggage 90 in the first horizontal direction H1.

[0018] The restricting protrusion 63 described below restricts the displacement (movement) of the luggage 90 in the second horizontal direction H2, and when distinguishing between the restricting protrusions 60, 61, 63, the restricting protrusions 60, 61 that restrict the movement of the luggage 90 in the first horizontal direction H1 will be referred to as the "first restricting protrusions 60, 61," and the restricting protrusion 63 that restricts the movement of the luggage 90 in the second horizontal direction H2 will be referred to as the "second restricting protrusion 63." When distinguishing between the restricting protrusions 60, 61, the central restricting protrusion 61 in the first horizontal direction H1 will be referred to as the "rear-side first restricting protrusion 61," and the restricting protrusions 60 at both ends will be referred to as the "entrance-side first restricting protrusion 60."

[0019] 7, the lower portion of both surfaces of the rear first restricting protrusion 61 facing the first horizontal direction H1 from a position that is approximately the center in the vertical direction forms a vertical surface 61C that is a flat surface perpendicular to the first horizontal direction H1, and the upper portion forms an inclined surface 61B that is slightly inclined with respect to the vertical direction and parallel to the second horizontal direction H2. Also, the upper end surface 61A of the rear first restricting protrusion 61 is horizontal, and the portions between the upper end surface 61A and the inclined surface 61B and between the inclined surface 61B and the vertical surface 61C are chamfered in an arc shape.

[0020] The surface of the entrance-side first restricting protrusion 60 facing the rear-side first restricting protrusion 61 has a vertical surface 60C, which is a flat surface perpendicular to the first horizontal direction H1, from the upper end to the lower portion, and an upper portion has an inclined surface 60B which is inclined at an angle steeper than the inclined surface 61B and is parallel to the second horizontal direction H2. The upper end surface 60A of the entrance-side first restricting protrusion 60 is horizontal, and the portions between the upper end surface 60A and the inclined surface 60B, and between the inclined surface 60B and the vertical surface 60C are chamfered in an arc shape.

[0021] The rear-side first regulating protrusion 61 protrudes higher from the support base 20 than the entrance-side first regulating protrusion 60. Specifically, the lower end of the inclined surface 60B of the entrance-side first regulating protrusion 60 and the lower end of the inclined surface 61B of the rear-side first regulating protrusion 61 are disposed at approximately the same height, and the inclined surface 60B of the entrance-side first regulating protrusion 60 is smaller than the inclined surface 61B of the rear-side first regulating protrusion 61 in the vertical direction.

[0022] The surface of the inlet-side first restricting protrusion 60 facing the opposite side to the rear-side first restricting protrusion 61 is continuous from the upper end of the inlet-side first restricting protrusion 60 to the base wall 11, and forms an inclined surface 60D that is slightly inclined in the vertical direction. As shown in Fig. 6, a vertical groove portion 24 having a square groove structure is formed in the horizontal center of the inclined surface 60D, and the inclined surface 60D is reinforced by the vertical groove portion 24. The vertical groove portion 24 extends linearly from the base wall 11 to the upper end surface 60A of the inlet-side first restricting protrusion 60, and its upper end opens to the upper end surface 60A.

[0023] A corrugated portion 23 is formed on both side surfaces of the support base portion 20. The corrugated portion 23 is formed by connecting a pair of arc grooves 23A formed on both side surfaces of each support base main body portion 22 and extending in the vertical direction, and an arc groove 23B curved with a larger radius of curvature than the arc groove 23A on both sides of the horizontal groove portion 21, side by side. The corrugated portions 23 reinforce the pair of side walls of the support base portion 20 so as to increase the buckling strength.

[0024] A pair of reinforcing ridges 29 extend from both ends of the support base 20 on both sides in the second horizontal direction H2. The pair of reinforcing ridges 29 protrude upward from the base wall 11 lower than the outer edge ridges 14 and have a groove structure with an open bottom. These reinforcing ridges 29 increase the strength of the support base 20 against a load that tends to tilt the entire support base 20 in the second horizontal direction H2. Similar to the step portions 14D of the outer edge ridges 14 described above, the reinforcing ridges 29 also function as markers for the fork insertion / removal openings of the pair of fork receiving portions 101.

[0025] 3, the support base portions 30 at both end rows in the second horizontal direction H2 generally have a groove structure that meanders and extends in the first horizontal direction H1. Two of the support base portions 30 that protrude toward the support base portion 20 due to the meandering form a pair of support base main body portions 32 having a luggage placement surface 50. Second restricting protrusions 63 are arranged at four locations, including both end portions in the first horizontal direction H1, on the side of the support base portion 30 away from the support base portion 20.

[0026] 8, the planar shape of each support platform main body 32 is generally T-shaped, and has a first side 32A extending in the first horizontal direction H1 and a second side 32B extending from the center of the longitudinal direction toward the support platform 20 in the central row. In addition, support auxiliary parts 31 extend from both ends of the first side 32A of each support platform main body 32 on the opposite side to the support platform 20 in the central row, and second regulating protrusions 63 protrude from positions of the support auxiliary parts 31 away from the support platform main body 32. In addition, the upper surface of the portion of the support auxiliary part 31 between the second regulating protrusion 63 and the support platform main body 32 forms a protrusion upright surface 38 that is slightly lower than the luggage placement surface 50.

[0027] Each second regulating protrusion 63 has an L-shaped planar shape, and has a reinforcing portion 64 corresponding to a side of the L-shape parallel to the first horizontal direction H1 and a luggage abutment portion 65 corresponding to a side parallel to the second horizontal direction H2. The second regulating protrusions 63 are paired with two second regulating protrusions 63 at one end side in the first horizontal direction H1 and two second regulating protrusions 63 at the other end side, and the luggage abutment portions 65 of each pair of second regulating protrusions 63 are disposed on the edge portions on the sides apart from each other of the pair of support auxiliary portions 31 from which they stand. The surface of the luggage abutment portion 65 facing the support base portion 20 side is, for example, such that approximately 1 / 3 of the lower side in the vertical direction forms a vertical surface 63C that is a flat surface perpendicular to the second horizontal direction H2, and approximately 2 / 3 of the upper side forms an inclined surface 63B that is slightly inclined with respect to the vertical direction and parallel to the first horizontal direction H1. Additionally, the upper end surface 63A of the second restricting protrusion 63 is horizontal, and the portions between the upper end surface 63A and the inclined surface 63B, and between the inclined surface 63B and the vertical surface 63C are chamfered in an arc shape.

[0028] Also, as shown in FIG. 9B, when the tray 10 is viewed from the second horizontal direction H2, the second regulating protrusion 63 of one pair is located midway between the rear first regulating protrusion 61 and one of the entrance side first regulating protrusions 60, and the second regulating protrusion 63 of the other pair is located midway between the rear first regulating protrusion 61 and the other entrance side first regulating protrusion 60.

[0029] As shown in Fig. 8, the ends of a pair of support auxiliary parts 31 facing each other in the center of the first horizontal direction H1, which are far from the support base part 20, are connected by a connecting rib 34, and a triangular rib 36 is provided on the opposite side of the connecting rib 34 of the central pair of support auxiliary parts 31. The connecting rib 34 and the triangular rib 36 have a hollow structure (a groove structure with an open bottom). As shown in Fig. 9B, the connecting rib 34 is lower than the support base main body part 32, and the triangular rib 36 is even lower than the connecting rib 34. A pair of triangular ribs 36 are provided in both directions of the first horizontal direction H1 from the ends of the support auxiliary parts 31 at both ends, which are far from the support base part 20.

[0030] 8, the triangular ribs 36 at both ends in the longitudinal direction of the end row of support base 30 are larger than the other triangular ribs 36. Reinforcing ribs 37 extend from the lower ends of the triangular ribs 36 at both ends toward the center row of support base 20. Similar to the reinforcing ribs 29 described above, the reinforcing ribs 37 protrude upward from the base wall 11 lower than the outer edge ribs 14 and have a groove structure with an open bottom.

[0031] 3, the surface of each second regulating protrusion 63 facing away from the support base 20 in the center row is formed with a vertical groove 24, similar to the regulating protrusions 60 of the support base 20 in the center row. Furthermore, a corrugated portion 33 is formed on the entire side surface of the support base main body 32. The corrugated portion 33 is composed of a plurality of arc grooves 33A extending in the vertical direction lined up side by side.

[0032] 4, a plurality of fitting protrusions 13 protruding downward are provided near the support base portions 20 and 30 of the base wall 11. Specifically, in a region of the base wall 11 between the support base portion 20 and each support base portion 30, a plurality of fitting protrusions 13 are arranged in two rows extending in the first horizontal direction H1, and are arranged such that the distance between one row and the entire support base portion 20 and the distance between the other row and the entire support base portion 30 are narrower than the distance between the rows.

[0033] As for the fitting protrusions 13 near the support base 30, as shown in Fig. 8, the second side 32B of the support base main body 32 is located midway in the row of the fitting protrusions 13. Furthermore, in the region of the base wall 11 on the opposite side of the support base 20 with respect to each support base 30, the fitting protrusions 13 are disposed between a pair of second restricting protrusions 63. As shown in Fig. 11, these fitting protrusions 13 fit into a plurality of upper surface opening holes 72 of the deck board 71 of the pallet 70, and the tray 10 is positioned at a position where it fits exactly on the deck board 71. As shown in Fig. 11, the fitting protrusions 13 have a bag structure with an open upper surface.

[0034] As shown in FIG. 3, the base wall 11 is formed with a plurality of through holes 12. The plurality of through holes 12 are, for example, substantially rectangular, and are formed in three places, namely, the center and both ends, in the first horizontal direction H1 in a portion of the base wall 11 sandwiched between the support base portion 20 in the center row and the support base portions 30 in each end row. The center through hole 12 in the first horizontal direction H1 is disposed at a position sandwiched between the second side portions 32B of the pair of support base main body portions 32 of the support base portions 30 in the end row in the first horizontal direction H1, and the through holes 12 at both ends are disposed at positions sandwiching the second side portions 32B of the support base main body portion 32 (support base portion 30) between the center through hole 12. These through holes 12 are exactly overlapped with a plurality of upper surface opening holes 72 of the deck board 71 of the pallet 70.

[0035] The structure of the tray 10 of this embodiment has been described above. Next, the effects of the tray 10 will be described.

[0036] As shown in FIG. 3, the tray 10 of this embodiment includes three rows of support base parts 20, 30 that protrude upward and can support the cargo 90 from below, and between the rows are a pair of fork receiving parts 101 as shown in FIG. 9A. As a result, a pair of forks F carrying the cargo 90 is lowered from above the tray 10, and as shown in FIG. 1, the cargo 90 is placed so as to straddle the three rows of support base parts 20, 30, and then the pair of forks F alone can be lowered into the pair of fork receiving parts 101 and removed as shown in FIG. 9A. That is, the cargo 90 can be placed on the tray 10 by a forklift. The cargo 90 placed on the support base parts 20, 30 is restricted by the first restricting protrusions 60, 61 from displacement in the first horizontal direction H1, which is the direction in which the forks are inserted and removed from the fork receiving parts 101, and is restricted by the second restricting protrusion 63 from displacement in the second horizontal direction H2 perpendicular to the first horizontal direction H1. In detail, the vertical surfaces 60C, 61C (see Figure 6) of the first regulating protrusions 60, 61 and the vertical surface 63C (see Figure 8) of the second regulating protrusion 63 are adjacent to the four side surfaces of the protrusion 91 (see Figure 1) of the luggage 90, thereby regulating the displacement (movement) of the luggage 90 in the first horizontal direction H1 and the second horizontal direction H2.

[0037] Here, as shown in Fig. 10, when the luggage 90 is placed, a tilt operation may be performed to move the pair of forks F from a tip-up inclined position to a horizontal position. In contrast, in the tray 10 of this embodiment, the rear first restricting protrusion 61, which is disposed at a position away from the fork insertion / removal opening, among the first restricting protrusions 60, 61, is higher than the entrance side first restricting protrusion 60 disposed on the fork insertion / removal opening side. Therefore, even if the luggage 90 is placed on the support base parts 20, 30 by a tilt operation, the luggage 90 fits smoothly between the rear first restricting protrusion 61 and the entrance side first restricting protrusion 60. That is, according to the tray 10 of this embodiment, it is easy to operate a forklift when placing the luggage 90 on the tray 10.

[0038] Once the cargo 90 has been placed on the tray 10, the tray 10, the pallet 70, and the cargo 90 can be connected together by passing a connecting member 95 such as a belt or string shown in FIG. 1 through the through hole 12 of the tray 10 shown in FIG. 3 and the top opening hole 72 of the pallet 70 shown in FIG. 2.

[0039] When a load 90 is placed on the tray 10, the weight of the load 90 acts as a load that widens the lower end openings of the support base parts 20, 30. In response to this, the underside of the tray 10 is provided with a plurality of fitting protrusions 13 that fit into the upper surface opening holes 72 of the pallet 70, preventing the tray 10 from shifting relative to the pallet 70 and suppressing deformation that would widen the openings of the support base parts 20, 30. Moreover, as shown in Fig. 3, the plurality of fitting protrusions 13 are disposed near the support base parts 20, 30, which enhances the effect of suppressing the widening of the openings of the support base parts 20, 30.

[0040] As shown in Figs. 6 and 8, the side surface of the support base 20, 30 has a plurality of arc grooves 23A, 23B, 33A extending in the vertical direction arranged side by side to form the corrugated portions 23, 33, and the side walls of the support base 20, 30 are reinforced by the corrugated portions 23, 33, increasing the buckling strength. This stably supports the load 90. Furthermore, as shown in Fig. 3, the outer side surface of the regulating protrusion 60, 63 is provided with a vertically extending vertical groove 24, so that a pair of groove side walls of the vertical groove 24 play the role of a reinforcing rib, increasing the bending strength of the wall of the first regulating protrusion 60, 63, and improving the function of preventing the load 90 from shifting sideways. This also stably supports the load 90. The vertical groove 24 may be provided on the side surface of the regulating protrusion 61 (for example, the side surface facing the regulating protrusion 60 or the side surface facing the support base 30).

[0041] Furthermore, as shown in FIG. 6, the support base portion 20 in the central row has a groove structure with an open underside, but by providing a lateral groove portion 21 that crosses the support base portion 20, a pair of groove side walls of the lateral groove portion 21 act as reinforcing ribs, suppressing deformation such as an increase in the groove width of the groove structure of the support base portion 20.

[0042] Furthermore, as shown in FIG. 3, the support base portions 30 of the end rows have a structure that extends in a serpentine manner in the first horizontal direction H1, so that both ends of the tray 10 in the second horizontal direction H2 are reinforced in both the first horizontal direction H1 and the second horizontal direction H2 by the support base portions 30.

[0043] In addition, a pair of step portions 14D of outer edge protrusions 14 on a pair of short sides of tray 10 shown in FIG. 9A and a pair of reinforcing protrusions 29 that protrude from base wall 11 lower than support base portions 20, 30 serve as markers for the positions of the fork insertion / removal openings of the pair of fork receiving portions 101, making it easier to insert forks into the pair of fork receiving portions 101.

[0044] [Other embodiments] In the above embodiment, the multiple upper surface opening holes 72 of the pallet 70 were through holes, but the upper surface opening holes 72 that engage with the mating protrusions 13 of the tray 10 do not have to be through holes and may instead be recesses with closed lower ends.

[0045] In the above embodiment, the three rows of support base parts 20, 30 of the tray 10 extend continuously in the first horizontal direction H1, but they may be divided along the way. Also, for example, the three rows of support base parts 20, 30 may be divided at positions near both ends to allow a pair of forks to be inserted from the second horizontal direction H2.

[0046] In the tray 10 of the embodiment, the first regulating protrusions 60, 61 and the second regulating protrusion 63 are provided apart from each other, but they may be provided next to each other. Specifically, for example, a structure may be used in which a portion corresponding to one side of a regulating protrusion having an L-shaped planar shape forms the first regulating protrusion, and a portion corresponding to the other side forms the second regulating protrusion.

[0047] <Additional Notes>

[0048] The following describes the feature groups extracted from the above-described embodiments, while indicating their effects, etc., as necessary. Note that, in the following, for ease of understanding, the corresponding configurations in the above-described embodiments are appropriately indicated in parentheses, but these feature groups are not limited to the specific configurations indicated in parentheses.

[0049] [Feature 1] The tray (10) has three rows of support base portions (20, 30) that protrude upward and can support luggage (90) from below, and between the rows are a pair of fork receiving portions (101) that allow forks to be inserted below the luggage (90). The tray (10) has first regulating protrusions (60, 61) that regulate the displacement of the luggage (90) in a first horizontal direction (H1), which is the direction in which forks are inserted and removed from the pair of fork receiving portions (101), and a second regulating protrusion (63) that regulates the displacement of the luggage (90) in a second horizontal direction (H2) perpendicular to the first horizontal direction (H1).

[0050] [Feature 2] The tray (10) according to Feature 1, wherein the first regulating protrusions (60, 61) include an entrance-side first regulating protrusion (60) protruding upward from the central row of the support base portion (20) on the side of the fork insertion / removal opening to the pair of fork receiving portions (101) in the first horizontal direction (H1), and a rear-side first regulating protrusion (61) protruding upward from the central row of the support base portion (20) at a position away from the fork insertion / removal opening and higher than the entrance-side first regulating protrusion (60).

[0051] [Feature 3] The tray (10) according to feature 2, wherein the inlet-side first regulating protrusions (60) are provided on both ends of the central row of the support base portions (20) in the first horizontal direction (H1).

[0052] [Feature 4] The tray (10) according to feature 2 or 3, wherein the rear first regulating protrusions (61) are provided on each of the three rows of support base portions (20, 30).

[0053] [Feature 5] A tray (10) according to any one of features 2 to 4, wherein the rear first regulating protrusion (61) divides the placement area of ​​the luggage (90) on the tray (10) into two in the first horizontal direction (H1).

[0054] [Feature 6] The tray (10) according to any one of Features 1 to 5, wherein the first regulating protrusions (60, 61) are provided at three separate locations in the first horizontal direction (H1) on the tray (10).

[0055] [Feature 7] The tray (10) according to any one of Features 1 to 6, wherein the first regulating protrusions (60, 61) are provided on each of the plurality of support base portions (20, 30).

[0056] [Feature 8] A tray (10) according to any one of features 1 to 7, comprising a plurality of fitting protrusions (13) that protrude downward from a plurality of positions spaced apart from one another in the first horizontal direction (H1) of the tray (10) and can fit into upper surface opening holes (72) of a pallet (70) having a batten structure, the plurality of support base portions (20, 30) having a bag structure with an opening on the lower surface of the tray (10), and the plurality of fitting protrusions (13) having a bag structure with an opening on the upper surface of the tray (10) and are disposed at positions near the support base portions (20, 30) in the pair of fork receiving portions (101).

[0057] [Feature 9] A tray (10) according to any one of features 1 to 8, wherein a mark (14D) is provided on the outer edge of the tray (10) at a position that corresponds to the fork insertion / removal opening of the pair of fork receiving portions (101).

[0058] [Feature 10] A tray (10) according to feature 9, wherein an outer edge ridge (14) is provided that protrudes from the outer edge of the tray (10) lower than the support base portion (20, 30), and the outer edge ridge (14) is provided with a step portion (14D) serving as the marker.

[0059] [Feature 11] The tray (10) according to any one of Features 1 to 10, wherein the pair of fork receiving portions (101) are not provided with any protrusions protruding upward.

[0060] [Feature 12] The tray (10) according to any one of Features 1 to 10, wherein the pair of fork receiving portions (101) are provided with protrusions that protrude upward and are lower than the support base portions (20, 30).

[0061] [Feature 13] A tray (10) according to any one of features 1 to 12, wherein a vertical groove portion (24) extending in the up-down direction is provided on an outer surface of the first regulating protrusion (60, 61) or the second regulating protrusion (63).

[0062] [Feature 14] A tray (10) according to any one of features 1 to 13, wherein at least one of the multiple support base portions (20, 30) has an opening on the underside of the tray (10) and forms a groove structure extending in the first horizontal direction (H1), and is provided with a horizontal luggage placement surface (50) extending in the first horizontal direction (H1) and abutting the underside of the luggage (90), and a horizontal groove portion (21) recessed from the luggage placement surface (50) and crossing an upper portion of the support base portion (20, 30) in the second horizontal direction (H2).

[0063] [Feature 15] A tray (10) according to any one of Features 1 to 14, wherein at least one of the plurality of support base portions (20, 30) extends in a serpentine manner in the first horizontal direction (H1).

[0064] [Feature 16] A tray (10) according to any one of features 1 to 15, wherein a corrugated portion (23, 33) in which a plurality of vertical grooves (23A, 23B, 33A) extending in the vertical direction are arranged horizontally is provided on the side of the support base portion (20, 30).

[0065] [Feature 17] The tray (10) according to any one of features 1 to 16, wherein a plurality of arcuate grooves (23A, 23B, 33A) extending in the vertical direction are provided on a side surface of the support base portion (20, 30).

[0066] [Feature 18] The support base portion (30) in the end row has a plurality of support base main body portions (32) that abut the underside of the luggage (90) distributed in the first horizontal direction (H1), and has a plurality of through holes (12) lined up on either side of the support base main body portions (32) in the first horizontal direction (H1).

[0067] The tray of feature 1 has three rows of support bases that protrude upward and can support cargo from below, and a pair of fork receiving sections is provided between the rows. This allows a pair of forks carrying cargo to be lowered from above the tray, and the cargo can be placed across the three rows of support bases, and then the pair of forks alone can be lowered into the pair of fork receiving sections to remove it. In other words, cargo can be placed on the tray with a forklift. The cargo placed on the support bases is restricted by the first regulating protrusions from displacing in a first horizontal direction, which is the direction in which the forks are inserted and removed from the fork receiving sections, and is restricted by the second regulating protrusions from displacing in a second horizontal direction perpendicular to the first horizontal direction.

[0068] When a load is placed on the tray, a tilt operation may be performed to move the pair of forks from a tilted position with the tips raised to a horizontal position. In contrast, in the tray of feature 2, the rear first regulating protrusion, which is located away from the fork insertion / removal opening, is higher than the entrance first regulating protrusion, which is located on the fork insertion / removal opening side. Therefore, even if the load is placed on the support base by tilting, the load fits smoothly between the rear first regulating protrusion and the entrance first regulating protrusion. In other words, the tray of feature 2 makes it easy to operate a forklift when placing the load on the tray.

[0069] The tray may be a vacuum-molded product or an injection-molded product, and the support base may have a rib structure or a bag structure with an open bottom. Furthermore, the pair of fork receiving parts may be insertable and removable from both sides in the first horizontal direction, or may be insertable and removable from only one side in the first horizontal direction. When the pair of fork receiving parts is insertable and removable from both sides in the first horizontal direction, the midpoint in the first horizontal direction corresponds to the back side of the pair of fork receiving parts, and when the fork receiving parts is insertable and removable from only one end side in the first horizontal direction, the other end side in the first horizontal direction corresponds to the back side of the fork receiving parts. When the pair of fork receiving parts is insertable and removable from both sides in the first horizontal direction, the back first regulating protrusion is disposed midway in the first horizontal direction, and the arrangement area for the luggage is divided into two in the first horizontal direction by the back first regulating protrusion as in feature 5, or the first regulating protrusion is provided in three places in the first horizontal direction as in the tray of feature 6.

[0070] In addition, when the pair of fork receiving sections can be inserted and removed from both sides in the first horizontal direction, if the entrance-side first regulating protrusions are provided at both ends in the first horizontal direction as in the tray of feature 3, the luggage can be easily placed on the tray by performing a tilt operation whether the luggage is placed on one side or the other side in the first horizontal direction. Here, the entrance-side first regulating protrusions may be provided on each of the three rows of support base sections, or may be provided on only some of the rows. The rear-side first regulating protrusions may also be provided on each of the three rows of support base sections (feature 4), or may be provided on only some of the rows.

[0071] Furthermore, as in feature 7, the first restricting protrusion may be provided on each of the multiple support base parts, or may be provided on only some of the support base parts.

[0072] Furthermore, when the tray is formed by vacuum molding and the multiple support base parts have a bag structure with an opening on the underside of the tray, the weight of the cargo acts as a load that widens the openings of the support base parts, but if the tray is provided with multiple fitting protrusions that protrude downward from the tray and can fit into the opening holes on the top surface of the pallet, as in Feature 8, the tray is prevented from shifting relative to the pallet and deformation that widens the openings of the support base parts is suppressed. Furthermore, if the multiple fitting protrusions are positioned closer to the support base parts as in Feature 8, the effect of suppressing the widening of the openings of the support base parts is increased.

[0073] As in feature 9, by providing a mark at the position of the outer edge of the tray that is the fork insertion / removal opening of the pair of fork receiving parts, the work of inserting the forks into the pair of fork receiving parts becomes easy. The mark may be a colored part different from the whole tray, a hole or a recess, or a protrusion that protrudes from the outer edge of the tray lower than the support base part as in feature 10. Furthermore, the outer edge protrusion may be provided with a step part as a mark. Also, as in feature 11, the pair of fork receiving parts may be structured so that no protrusions protruding upward are provided, and this may be used as a mark that they are a pair of fork receiving parts. Furthermore, as in feature 12, the pair of fork receiving parts may be structured so that protrusions protruding upward are provided lower than the support base part, and this may be used as a mark that they are a pair of fork receiving parts.

[0074] As in feature 13, by providing a vertical groove extending in the up-down direction on the outer surface of the first or second regulating protrusion, a pair of groove side walls of the vertical groove function as reinforcing ribs, and the bending strength of the wall of the first or second regulating protrusion can be increased, thereby improving the function of preventing lateral shifting of luggage.

[0075] In the tray of feature 14, at least one of the multiple support base parts has a groove structure and is provided with a horizontal groove part crossing it, so that a pair of groove side walls of the horizontal groove part act as reinforcing ribs, suppressing deformation such as an expansion of the groove width of the support base part of the groove structure.

[0076] As in feature 15, by making at least one of the multiple support base portions have a structure that extends in a serpentine manner in the first horizontal direction, the support base portion reinforces the tray in both the first horizontal direction and the second horizontal direction.

[0077] In feature 16, a plurality of vertical grooves extending in the vertical direction are arranged horizontally on the side of the support base to form a corrugated portion, which reinforces the side wall of the support base and increases the buckling strength. This provides stable support for the load.

[0078] In feature 17, the side wall of the support base is reinforced by a plurality of arc grooves extending vertically on the side surface of the support base. This provides stable support for the luggage.

[0079] In feature 18, the through holes that penetrate the tray vertically and the through holes in the pallet are overlapped, and the tray and pallet (and cargo) can be connected by connecting members inserted through them.

[0080] In addition, although this specification and drawings disclose specific examples of the technology included in the scope of the claims, the technology described in the claims is not limited to these specific examples, but includes various modifications and variations of the specific examples, as well as parts of the specific examples taken alone. [Explanation of symbols]

[0081] 10 Tray 12 Through hole 13 Fitting protrusion 14 Outer edge ridge (protrusion) 14D Step (marker) 20,30 Support part 21. Horizontal Groove 23,33 Waveform section 23A, 23B, 33A Arc groove 24 Vertical groove 29 Reinforcing ridge (marker) 50 Luggage surface 60 Inlet side first restricting protrusion 61 Rear first restricting protrusion 63 Second restriction protrusion 70 palettes 72 Top opening hole 90 Luggage 95 Connecting members 101 Fork Receptacle F Fork H1 1st horizontal direction H2 2nd horizontal direction

Claims

1. A tray having three rows of support bases that protrude upward and can support luggage from below, and a pair of fork receiving portions between the rows that allows forks to be inserted below the luggage, a first restricting protrusion for restricting displacement of the luggage in a first horizontal direction, which is a direction in which the forks are inserted into and removed from the pair of fork receiving portions; a second regulating protrusion that regulates displacement of the luggage in a second horizontal direction perpendicular to the first horizontal direction, The first regulating protrusions include an entrance-side first regulating protrusion that protrudes upward from the support base portion in the central row on the side of the fork insertion / removal opening to the pair of fork receiving portions in the first horizontal direction, and a rear-side first regulating protrusion that protrudes upward from the support base portion in the central row at a position away from the fork insertion / removal opening and is higher than the entrance-side first regulating protrusion.

2. a plurality of fitting protrusions protruding downward from a plurality of positions spaced apart from each other in the first horizontal direction on the tray and capable of fitting into an upper surface opening of a pallet having a rail structure; The plurality of support base portions each have a bag structure having an opening on a lower surface of the tray, 2. The tray according to claim 1, wherein the plurality of fitting projections are formed into a bag structure having an opening on an upper surface of the tray, and are disposed in a position near the support base portion in the pair of fork receiving portions.

3. 3. The tray according to claim 1, wherein an outer edge of the tray is provided with marks at positions that correspond to the fork insertion / removal openings of the pair of fork receiving portions.

4. 3. The tray according to claim 1, wherein a vertical groove extending in the up-down direction is provided on an outer surface of the first restricting protrusion or the second restricting protrusion.

5. 3. The tray of claim 1 or 2, wherein at least one of the plurality of support base portions has an opening on the underside of the tray and forms a groove structure extending in the first horizontal direction, and is provided with a horizontal luggage carrying surface extending in the first horizontal direction and abutting the underside of the luggage, and a horizontal groove portion recessed from the luggage carrying surface and crossing the upper part of the support base portion in the second horizontal direction.

6. The support base portion of the end row includes a plurality of support base body portions that contact the bottom surface of the luggage and are distributed in the first horizontal direction, The tray according to claim 1 or 2, further comprising a plurality of through holes arranged on either side of the support base body in the first horizontal direction.

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