Open-top container
The open-top container design with upright plate-like members and integrated structures addresses weight and cost issues, reducing fuel consumption and material usage.
Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Patents
- Current Assignee / Owner
- Filing Date
- 2025-09-29
- Publication Date
- 2026-03-31
AI Technical Summary
Conventional open-top containers reinforced with L-shaped members are heavy and costly, leading to increased fuel consumption due to their weight.
The open-top container design features upright plate-like members on the bottom, left, and right walls, with narrower surfaces fixed to the container's main surfaces, and includes multiple members arranged side-by-side and covered by spacing and cover members to maintain structure integrity and prevent expansion.
The design reduces weight and material usage, preventing container spread and lowering fuel consumption while maintaining structural integrity.
Smart Images

Figure 0007837630000001_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to an open-top container, and particularly to an open-top container that does not become heavy and has a reduced cost.
Background Art
[0002] Conventionally, the side wall of an open-top container has been reinforced by an L-shaped reinforcing member (see Patent Document 1). This L-shaped reinforcing member consists of one L-shaped reinforcing member and the other L-shaped reinforcing member. The flat surface (main surface) of the horizontal side portion of each L-shaped reinforcing member is fixed to the bottom wall by welding, the flat surface (main surface) of the vertical side portion of one L-shaped reinforcing member is fixed to the right side wall by welding, and the flat surface (main surface) of the vertical side portion of the other L-shaped reinforcing member is fixed to the left side wall by welding, so that the side wall is held perpendicular to the bottom wall.
Prior Art Documents
Patent Documents
[0003]
Patent Document 1
Summary of the Invention
Problems to be Solved by the Invention
[0004] In the above open-top container, the flat surface of the horizontal side portion of one L-shape abuts against and is fixed to the bottom wall of the open-top container, the flat surface (main surface) of the vertical side portion of one L-shape abuts against and is fixed to the left side wall of the open-top container, the flat surface (main surface) of the horizontal side portion of the other L-shape abuts against and is fixed to the bottom wall of the open-top container, and the flat surface (main surface) of the vertical side portion of the other L-shape abuts against and is fixed to the right side wall of the open-top container. Because the flat surface of one L-shaped vertical section abuts against the left wall of the open-top container, the flat surface of the other L-shaped horizontal section abuts against the bottom wall of the open-top container, and the flat surface (main surface) of the other L-shaped vertical section abuts against the right wall of the open-top container, and is fixed in place, the weight of the L-shaped reinforcing material is heavy, the cost is high, and in particular, fuel consumption increases when towing an open-top container.
[0005] The present invention aims to provide a truck or trailer bed mounting structure that takes the aforementioned problems into consideration. [Means for solving the problem]
[0006] The open-top container according to claim 1 is an open-top container having a bottom, a front wall, a rear door, a left wall, and a right wall, and capable of loading and unloading from above, comprising: a bottom side plate-like member erected on the bottom on the side of the bottom closer to the rear door than the front wall and fixed to the bottom; a left side plate-like member erected on the left wall on the side of the left wall closer to the rear door than the front wall and fixed to the left wall; and a right side plate-like member erected on the right wall on the side of the right wall closer to the rear door than the front wall and fixed to the right wall, wherein the bottom side plate-like member has a bottom side main surface and a first bottom side surface that is narrower than the bottom side main surface in the thickness direction of the bottom side plate-like member The bottom plate-like member has a second bottom side surface at its longitudinal end that is narrower than the bottom main surface, the left plate-like member has a left main surface, a first left side surface that is narrower than the left main surface in the thickness direction of the left plate-like member, and a second left side surface that is narrower than the left main surface at its longitudinal end, the right plate-like member has a right main surface, a first right side surface that is narrower than the right main surface in the thickness direction of the right plate-like member, and a second right side surface that is narrower than the right main surface at its longitudinal end, the first bottom side surface is fixed to the bottom, the first left side surface is fixed to the left wall, and the first right side surface is fixed to the right wall.
[0008] Furthermore, claims 2 The open-top container described is, 1st articleIn this open-top container, multiple left-side plate-like members are arranged side-by-side on the left wall, and multiple right-side plate-like members are arranged side-by-side on the right wall.
[0009] Furthermore, claims 3 The open-top container described is, 1st article In the open-top container, multiple left-side plate-like members are arranged side by side on the left wall, and multiple right-side plate-like members are arranged side by side on the right wall. The spacing between the left-side plate-like members is maintained by a left-side spacing-maintaining member, and the spacing between the right-side plate-like members is maintained by a right-side spacing-maintaining member.
[0010] Furthermore, claims 4 The open-top container described is the open-top container according to claim 1, wherein a plurality of bottom side plate-like members are arranged side by side at the bottom, a plurality of left side plate-like members are arranged side by side on the left wall, a plurality of right side plate-like members are arranged side by side on the right wall, and the plurality of bottom side plate-like members, the plurality of left side plate-like members, and the plurality of right side plate-like members are fixed to the upper surface of the bottom surface of the U-shaped member, respectively.
[0011] Furthermore, claims 5 The open-top container described is the open-top container according to claim 1, wherein a plurality of bottom side plate-like members are arranged in a row at the bottom, a plurality of left side plate-like members are arranged in a row on the left wall, a plurality of right side plate-like members are arranged in a row on the right wall, the plurality of bottom side plate-like members, the plurality of left side plate-like members, and the plurality of right side plate-like members are fixed to the upper surface of the bottom surface of the U-shaped member, and a plurality of front plates are arranged in a row on one surface of a first cross member that crosses the bottom surface of the U-shaped member The left side surface of the left-side plate-like member is fixed, the second bottom side surface of one of the multiple parallel bottom-side plate-like members arranged side by side on the side opposite to one side of the first transverse member is fixed, the first right side surface of the multiple parallel right-side plate-like members arranged side by side on one side of the second transverse member that crosses the bottom surface of the U-shaped member is fixed, and the other second bottom side surface of the multiple parallel bottom-side plate-like members arranged side by side on the side opposite to one side of the second transverse member is fixed.
[0012] Furthermore, claims 6The open-top container described is, 1st article In the open-top container, multiple left-side plate-like members are arranged side by side on the left wall, multiple right-side plate-like members are arranged side by side on the right wall, the multiple left-side plate-like members are covered by a left-side cover, and the multiple right-side plate-like members are covered by a right-side cover. [Effects of the Invention]
[0013] The open-top container according to claim 1 comprises a bottom side plate-like member that is erected (upright) on the part of the bottom closer to the rear door than the front wall and fixed to the bottom, a left side plate-like member that is erected (upright) on the part of the left wall closer to the rear door than the front wall and fixed to the left wall, and a right side plate-like member that is erected (upright) on the part of the right wall closer to the rear door than the front wall and fixed to the right wall, and the first bottom side is fixed to the bottom, the first left side is fixed to the left wall, and the first right side is fixed to the right wall, so that the main surface is not laid flat as in the conventional method but is made upright, and the open-top container does not expand with less material, and the reduced weight also has the effect of suppressing an increase in fuel consumption of the towing vehicle.
[0015] Furthermore, claims 2 According to the open-top container described above, the above claims 1st article In addition to the effects of the invention described above, since multiple left-side plate-like members are arranged side by side on the left wall and multiple right-side plate-like members are arranged side by side on the right wall, it is possible to prevent the open-top container from expanding while suppressing an increase in weight.
[0016] Furthermore, claims 3 According to the open-top container described above, the above claims 1st article In addition to the effects of the invention described above, since multiple left-side plate-like members are arranged side by side on the left wall and multiple right-side plate-like members are arranged side by side on the right wall, it is possible to prevent the open-top container from expanding while suppressing an increase in weight. Furthermore, since the spacing between the arranged left-side plate-like members is maintained by the left-side spacing-maintaining member and the spacing between the arranged right-side plate-like members is maintained by the right-side spacing-maintaining member, the spacing between the arranged left-side plate-like members and the spacing between the arranged right-side plate-like members can be maintained.
[0017] Further, according to the open-top container described in claim 4 in addition to the effects of the invention described in claim 1 above, a plurality of bottom side plate-like members are arranged in parallel at the bottom, a plurality of left side plate-like members are arranged in parallel on the left wall, a plurality of right side plate-like members are arranged in parallel on the right wall, and the plurality of bottom side plate-like members arranged in parallel, the plurality of left side plate-like members arranged in parallel, and the plurality of right side plate-like members arranged in parallel are respectively fixed to the upper surface of the bottom surface of the U-shaped member. Therefore, the bottom side plate-like members, the left side plate-like members, and the right side plate-like members are integrated and strengthened, and while suppressing an increase in weight, the spread of the open-top container can be prevented.
[0018] Further, according to the open-top container described in claim 5 in addition to the effects of the invention described in claim 1 above, a plurality of bottom side plate-like members are arranged in parallel at the bottom, a plurality of left side plate-like members are arranged in parallel on the left wall, a plurality of right side plate-like members are arranged in parallel on the right wall, and the plurality of bottom side plate-like members arranged in parallel, the plurality of left side plate-like members arranged in parallel, and the plurality of right side plate-like members arranged in parallel are respectively fixed to the upper surface of the bottom surface of the U-shaped member. Therefore, the bottom side plate-like members, the left side plate-like members, and the right side plate-like members are integrated and strengthened through the first cross member and the second cross member, and while suppressing an increase in weight, the spread of the open-top container can be prevented.
[0019] Further, according to the open-top container described in claim 6 in addition to the effects of the invention described in the above claim 1st article Since the plurality of left side plate-like members arranged in parallel are covered with a left cover and the plurality of right side plate-like members arranged in parallel are covered with a right cover, the plurality of left side plate-like members arranged in parallel and the plurality of right side plate-like members arranged in parallel can be protected from rain and wind respectively.
Brief Description of the Drawings
[0020] [Figure 1] FIG. 1 is a schematic side view of a state in which an open-top container according to an embodiment of the present invention is towed by a container dedicated truck (also called a container truck). [Figure 2] Figure 2 is a schematic partial enlarged side view showing a partial enlargement of FIG. 1. [Figure 3] Figure 3 is a schematic rear view of FIG. 1 as viewed from the rear side. [Figure 4] Figure 4 is a schematic perspective view of FIG. 3 with the rear door removed as viewed from the rear side. [Figure 5] Figure 5 is a schematic exploded perspective view showing FIG. 4 disassembled. [Figure 6] Figure 6 is a schematic enlarged perspective view of part A of FIG. 4 showing part A enlarged.
Embodiments for Carrying out the Invention
[0021] An open-top container according to an embodiment of the present invention will be described with reference to FIGS. 1 to 6.
[0022] Figure 1 is a schematic side view of the state in which the open-top container 1 is towed by a container dedicated truck (also called a container truck) 2. Although not shown, the open-top container 1 is a special transportation container with an open ceiling part. While a roof is fixed to a normal container, the open-top container has a structure in which that part is removable or can be covered only with a canvas or a panel. The rear door 3 described in FIG. 3 of this embodiment is a single-door type that opens only on the left side, but the The rear door 3 of the open-top container 1 of the present invention is not limited to this. Although not shown, it may be a single-door type that opens only on the right side, or may be a double-opening butterfly door (two doors that open left and right). The rear door 3 may also be a door (flap) that opens downward or upward, and the opening direction and shape of the rear door 3 are not limited.
[0023] The open-top container 1 has a bottom 4, a front wall 5 (see FIG. 1), a rear door 3 (see FIG. 3), a left wall 6, and a right wall 7, and is capable of handling cargo from above. As shown in Figure 5, 8 is a bottom side plate-like member, which is erected on the part of the bottom 4 closer to the rear door 3 (see Figure 3) than the front wall 5, and is fixed (for example, welded) to the bottom 4. The bottom side plate-like member 8 has a bottom side main surface 81, a first bottom side surface 82 which is narrower than the bottom side main surface 81 in the thickness direction of the bottom side plate-like member 8, a second bottom side surface 83 which is narrower than the bottom side main surface 81 at the longitudinal end of the bottom side plate-like member 8, and a bottom back surface 84.
[0024] As shown in Figure 5, 9 is the left-side plate-like member, which is erected on the part of the left wall 6 closer to the rear door 3 (see Figure 3) than the front wall 5, and is fixed (for example, welded) to the left wall 6. The left plate-like member 9 has a left main surface 91, a first left side surface 92 which is narrower than the left main surface 91 in the thickness direction of the left plate-like member 9, and a second left side surface 93, 93 which is narrower than the left main surface 91 at the longitudinal end of the left plate-like member 9.
[0025] The 10 shown in Figure 5 is a right-side plate-shaped member, which is erected on the right wall 7 on the side closer to the rear door 3 (see Figure 3) than the front wall 5, and is fixed (for example, welded) to the right wall 7. The right-side plate-like member 10 has a right-side main surface 101, a first right-side surface 102 which is narrower than the right-side main surface 101 in the thickness direction of the right-side plate-like member 10, and a second right-side surface 103, 103 which is narrower than the right-side main surface 101 at the longitudinal end of the right-side plate-like member 10.
[0026] Accordingly, the open-top container 1 described above comprises a bottom side plate-like member 8 that is erected on the part of the bottom 4 closer to the rear door 3 than the front wall 5 and fixed to the bottom 4, a left side plate-like member 9 that is erected (upright) on the part of the left wall 6 closer to the rear door 3 than the front wall 5 and fixed to the left wall 6, and a right side plate-like member 10 that is erected (upright) on the part of the right wall 7 closer to the rear door 3 than the front wall 5 and fixed to the right wall 7. Since the first bottom side surface 82 is fixed to the bottom 4, the first left side surface 92 is fixed to the left wall 6, and the first right side surface 102 is fixed to the right wall 7, the main surfaces 91 and 101 are not laid flat as in conventional containers, but are kept upright, and the open-top container 1 can be prevented from spreading with less material, and the reduced weight can also suppress an increase in fuel consumption of the towing vehicle.
[0027] Furthermore, multiple bottom side plate-like members 8 are arranged side by side (hanging) on the bottom 4, multiple left side plate-like members 9 are arranged side by side (standing) on the left wall 6, and multiple right side plate-like members 10 are arranged side by side (standing) on the right wall 7. As a result, the expansion of the open-top container 1 can be prevented while suppressing an increase in weight.
[0028] Furthermore, 94 shown in Figure 5 is a left-side spacing member that maintains the distance between the parallel left-side plate-shaped members 9, and is fixed (for example, welded) to the left main surface 91 of the left-side plate-shaped member 9. 104 is a right-side spacing member that maintains the distance between the parallel right-side plate-shaped members 10, and is fixed (for example, welded) to the right-side main surface 101 of the right-side plate-shaped member 10. Therefore, the spacing between the left-side plate-shaped member 9 and the right-side plate-shaped member 10 can be maintained.
[0029] Furthermore, part 11 shown in Figure 4 is a U-shaped member, and multiple bottom side plate-like members 8 are arranged in a row on the upper surface 11A of the bottom surface of the U-shaped member 11, multiple left side plate-like members 9 are arranged in a row on the upper surface 11B of the bottom surface of the U-shaped member 11, and multiple right side plate-like members 10 are arranged in a row, respectively, and are fixed (for example, welded). Note that the U-shaped member 11 can be formed, for example, by welding the open portion of the L-shaped member shown in Figure 5 with the member 84 shown in Figure 5. Therefore, the bottom side plate-like member 8, the left side plate-like member 9, and the right side plate-like member 10 are integrated and strengthened, preventing the open-top container from spreading while suppressing an increase in weight.
[0030] Furthermore, 12 shown in Figure 5 is a first transverse member that crosses the bottom surface of the U-shaped member 11. The first left side surface 92 of the multiple left plate-shaped members 9 arranged in parallel on one surface A of the first transverse member 12 is fixed (for example, by welding), one second bottom side surface 83 of the multiple bottom side plate-shaped members 8 arranged in parallel on the surface B opposite to the surface A of the first transverse member 12 is fixed (for example, by welding), the first right side surface 102 of the multiple right plate-shaped members 10 arranged in parallel on one surface A' of the second transverse member 13 that crosses the bottom surface of the U-shaped member 12 is fixed (for example, by welding), and the other second bottom side surface 83 of the multiple bottom side plate-shaped members 8 arranged in parallel on the surface B' opposite to the surface A' of the second transverse member 13 is fixed (for example, by welding). Therefore, the bottom side plate-like member 8, the left side plate-like member 9, and the right side plate-like member 10 are integrated and strengthened via the first transverse member 12 and the second transverse member 13, thereby preventing the open-top container 1 from expanding while suppressing an increase in weight.
[0031] Furthermore, as shown in Figure 5, 14 is a left-side cover that covers multiple left-side plate-shaped members 9 arranged in parallel, and 15 is a right-side cover that covers multiple right-side plate-shaped members 10 arranged in parallel. In other words, the multiple side-by-side left-side plate-like members 9 are covered by the left-side cover 14, and the multiple side-by-side right-side plate-like members 10 are covered by the right-side cover 15, so that the multiple side-by-side left-side plate-like members 9 and the multiple side-by-side right-side plate-like members 10 can be protected from rain and wind, respectively.
[0032] In the above-described embodiment, a bottom-side plate-like member 8 is provided, which has a bottom-side main surface 81, a first bottom-side surface 82 that is narrower than the bottom-side main surface 81 in the thickness direction of the bottom-side plate-like member 8, and a second bottom-side surface 83 that is narrower than the bottom-side main surface 81 at the longitudinal end of the bottom-side plate-like member 8. However, the bottom-side plate-like member 8 may be omitted depending on the circumstances.
[0033] In other words, the open-top container 1 has a bottom 4, a front wall 5, a rear door 3, a left wall 6, and a right wall 7, and is an open-top container 1 that allows loading and unloading from above, and comprises a left-side plate-like member 9 that is erected on the part of the left wall 6 closer to the rear door 3 than the front wall 5 and fixed to the left wall 6, and a right-side plate-like member 10 that is erected on the part of the right wall 7 closer to the rear door 3 than the front wall 5 and fixed to the right wall 7, and the left-side plate-like member 9 has a left main surface 91, and the width of the left main surface 91 in the thickness direction of the left-side plate-like member 9 is The left plate-like member 9 has a narrower first left side surface 92 and a second left side surface 93 that is narrower than the left main surface 91 at the longitudinal end of the left plate-like member 9. The right plate-like member 10 has a right main surface 101, a first right side surface 102 that is narrower than the right main surface 101 in the thickness direction of the right plate-like member 10, and a second right side surface 103 that is narrower than the right main surface 101 at the longitudinal end of the right plate-like member 10. The first bottom side surface 82 is fixed to the bottom 4, the first left side surface 92 is fixed to the left wall 6, and the first right side surface 102 is fixed to the right wall 7.
[0034] The open-top container 1 described above includes a left-side plate-like member 9 that is erected (upright) on the part of the left wall 6 closer to the rear door 3 than the front wall 5 and fixed to the left wall 6, and a right-side plate-like member 10 that is erected (upright) on the part of the right wall 7 closer to the rear door 3 than the front wall 5 and fixed to the right wall 7. Since the first left side surface 92 is fixed to the left wall 6 and the first right side surface 102 is fixed to the right wall 7, the main surfaces 91 and 101 are not laid flat as in conventional containers, but are kept upright, and the open-top container 1 can be prevented from spreading with less material, and the reduced weight can also suppress an increase in fuel consumption of the towing vehicle. [Explanation of Symbols]
[0035] 1 Open-top container 2 Container-only trucks 3. Rear door 4 Bottom 5 Front wall 6 Left wall 7 Right wall 8 Bottom side plate-like member 9 Left side plate-shaped member 10 Right-side plate-shaped member 11 U-shaped member 11A Top surface of the bottom surface of the U-shaped member 11B Top surface of the bottom surface of the U-shaped member 12 First transverse member 13. Second transverse member 14 Left side cover 15 Right side cover 81 Bottom side main surface 82 First bottom side 83 Second bottom side 91 Left main surface 92 First left side 93 Second left side 94 Left-side spacing member 101 Right main surface 102 First right side 103 Second right side 104 Right side spacing member A. One side of the first transverse member B. One side and the opposite side of the first transverse member A' One side of the second transverse member B' Opposite side
Claims
1. An open-top container having a bottom, front wall, rear door, left wall, and right wall, and capable of loading and unloading from above, A bottom side plate-like member is erected on the part of the bottom closer to the rear door than the front wall, and is fixed to the bottom. A left-side plate-like member is erected on the left wall at a point closer to the rear door than the front wall, and is fixed to the left wall. A right-side plate-shaped member is erected on the right wall at a point closer to the rear door than the front wall, and is fixed to the right wall. Equipped with, The bottom side plate-like member has a bottom side main surface, a first bottom side surface that is narrower than the bottom side main surface in the thickness direction of the bottom side plate-like member, and a second bottom side surface that is narrower than the bottom side main surface at the longitudinal end of the bottom side plate-like member. The left plate-like member has a left main surface, a first left surface that is narrower than the left main surface in the thickness direction of the left plate-like member, and a second left surface that is narrower than the left main surface at the longitudinal end of the left plate-like member. The right-side plate-like member has a right-side main surface, a first right-side surface that is narrower than the right-side main surface in the thickness direction of the right-side plate-like member, and a second right-side surface that is narrower than the right-side main surface at the longitudinal end of the right-side plate-like member. The first bottom side is fixed to the bottom, the first left side is fixed to the left wall, and the first right side is fixed to the right wall. An open-top container characterized by its features.
2. Multiple plate-like members are arranged side by side on the left wall. Multiple plate-like members are arranged side by side on the right wall. The open-top container according to feature 1.
3. Multiple plate-like members are arranged side by side on the left wall. Multiple plate-like members are arranged side by side on the right wall. The spacing between the side-by-side left plate-shaped members is maintained by the left spacing-holding member. The spacing between the two adjacent right-side plate-shaped members is maintained by a right-side spacing-holding member. The open-top container according to feature 1.
4. Multiple bottom side plate-like members are arranged side by side at the bottom. Multiple plate-like members are arranged side by side on the left wall. Multiple plate-like members are arranged side by side on the right wall. The multiple side plate-shaped members, the multiple left-side plate-shaped members, and the multiple right-side plate-shaped members are fixed to the upper surface of the bottom surface of the U-shaped member. The open-top container according to feature 1.
5. Multiple bottom side plate-like members are arranged side by side at the bottom. Multiple plate-like members are arranged side by side on the left wall. Multiple plate-like members are arranged side by side on the right wall. The multiple side plate-shaped members, the multiple left-side plate-shaped members, and the multiple right-side plate-shaped members are fixed to the upper surface of the bottom surface of the U-shaped member, respectively. The first left side surface of the left plate-like member, which is arranged in a plurality of parallel sections on one side of the first transverse member that crosses the bottom surface of the U-shaped member, is fixed, and the second bottom side surface of one of the plurality of parallel section bottom plate-like members, which is arranged in a plurality of parallel sections on the side opposite to the one side of the first transverse member, The first right side surface of the right-side plate-like members, which are arranged in a plurality on one side of the second transverse member that crosses the bottom surface of the U-shaped member, is fixed, and the other second bottom side surface of the plurality of bottom-side plate-like members, which are arranged in a plurality on the side opposite to the one side of the second transverse member, is fixed. The open-top container according to feature 1.
6. Multiple plate-like members are arranged side by side on the left wall. Multiple plate-like members are arranged side by side on the right wall. The left-side plate-like members, which are arranged in a row, are covered with a left-side cover. The multiple side-by-side right-side plate-like members are covered with a right-side cover. The open-top container according to feature 1.
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