JP3458789B2 - Box-shaped transport container - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a box-shaped carrying container used for lifting and carrying articles, foods, etc. in factories and warehouses.

[0002]

2. Description of the Related Art Conventionally, a box-shaped transport container of this type is disclosed in, for example, Japanese Utility Model Publication No. 55-53470. That is, the box-shaped transport container has a net-shaped bottom frame,
Each side of the bottom frame is composed of four side frames of a net-like body mounted in an upright posture. The bottom frame is provided so as to be openable and closable by vertically swinging.

According to this, the box-shaped transport container is lifted,
By opening the bottom frame, the articles stored in the box-shaped transport container can be dropped and discharged all at once.

[0004]

However, in the above-mentioned conventional type, it is conceivable to hang the box-shaped transport container by hooking the side frame with a hook or the like. However, when the box-shaped transport container is lifted in this way, The load acts directly on the side frame. In particular, the side frame has a mesh structure, so its strength is weak. To cope with this, not only the bottom frame but also the side frame must be designed to be strong enough to withstand a large load. I have to. Therefore, the side frame is increased in size and weight, which makes it difficult to reduce the size and weight of the box-shaped transport container.

Therefore, the first aspect of the present invention is to reduce the size and weight of the box-shaped transportation container.

[0006]

In order to achieve the above-mentioned object, the invention according to claim 1 of the present invention is such that an enclosing frame body composed of front, rear, left and right side frames is erected on a lower frame body. Then, the lower frame frame body is provided with a bottom frame capable of opening and closing the lower side of the surrounding frame body, and one end of a bendable suspension cord is connected to at least one pair of opposite sides of the lower frame frame body,
Hanging device at the other end of the suspending member body, the suspending member body
The above lifting device
Is configured to reach the upper end of the side frame .

According to this, by hanging a hook or the like on each hoisting device and hoisting it using a crane or the like, the box-shaped transport container is hoisted in a state where the lower frame body is supported by each hoisting member. Therefore, the load at the time of lifting acts on the lower frame body and the bottom frame and does not directly act on each side frame, so that the strength of each side frame can be reduced. As a result, each side frame can be reduced in size and weight even with a box-shaped transport container having the same internal volume as the conventional one, and the box-shaped transport container can be reduced in size and weight accordingly.

Further, by opening the bottom frame, it is possible to simultaneously discharge the stored articles below the box-shaped transport container. Further, in the invention according to claim 2, a surrounding frame body composed of front, rear, left and right side frames is erected on the lower frame frame body, and a bottom frame capable of opening and closing below the surrounding frame body is provided on the lower frame frame body. Provided, at least one pair of opposite sides of the lower frame body is connected to one end of a flexible suspending cord, and a suspending device is provided at the other end of these suspending strands, and the suspending cord is a side frame. It is provided along the outer surface of the frame from the lower frame body to the upper end of the side frame, and is configured to be able to be lifted through a lifting device, and the hanging rope body moves downward by its own weight.
The above hanging device reaches the upper end of the side frame by
It is configured as follows.

Further, in the invention according to claim 3, the lower frame body is provided with the surrounding frame body consisting of front, rear, left and right side frames,
The lower frame body is provided with a bottom frame that can be opened and closed below the surrounding frame body, and one end of a bendable suspension cord is connected to at least one pair of opposite sides of the lower frame body, and these suspension frames are suspended. Attach a hanging device to the other end of the rope to
By moving downward due to the weight,
It is configured to reach the upper end of the frame, and each side frame can be folded toward the bottom frame together with the hanging rope in a state where the hanging rope is connected to the lower frame body.

According to this structure, the space required for storing the box-shaped transport container can be reduced by folding the surrounding frame toward the bottom frame. Further, in the invention according to claim 4, a surrounding frame body composed of front, rear, left and right side frames is erected on the lower frame frame body, and a bottom frame capable of opening and closing below the surrounding frame body is provided on the lower frame frame body. Provided, at least one pair of opposite sides of the lower frame body is connected to one end of a flexible suspending cord, a suspending device is provided at the other end of these suspending cords, and the suspending cord has its own weight.
The hanging instrument to reach the upper end portions of the pair of left and right side frames on the same side as said set of sides by more moved downward
Is configured to, in the bottom frame, ground capable of providing leg, when the staked a plurality of box-shaped transfer vessel up and down each leg is lower box-shaped transportation of the upper box-shaped carrier container The container is placed on a pair of left and right side frames on the same side as the pair of sides of the container.

According to this, since the load applied to the bottom frame is directly supported on the floor surface via the legs, the bottom frame can be prevented from bending downward. By mounting the legs on the upper ends of the side frames of the surrounding frame bodies of other box-shaped transport containers, a plurality of box-shaped transport containers can be stacked vertically.

Further, in the invention according to claim 5, an enclosing frame body composed of front, rear, left and right side frames is provided upright on the lower frame body.
The lower frame body is provided with a bottom frame that can be opened and closed below the surrounding frame body, and one end of a bendable suspension cord is connected to at least one pair of opposite sides of the lower frame body, and these suspension frames are suspended. A suspending device is provided at the other end of the rope, and a connecting bracket protruding outward from the side surface of the lower frame body is provided at each of the front and rear ends of the left and right side portions of the lower frame body for suspension. One end of the rope is connected to the tip of each of the connecting brackets, and a lock device for locking the bottom frame in a closed state is provided on one of the left and right side surfaces of the lower frame body and the bottom frame. The outer end of the bracket is moved inward from the outer end of the connecting bracket.

According to this, when the box-shaped transport container is lifted, even if the outer end of the connecting bracket accidentally contacts the surrounding wall when the box-shaped transport container shakes, even the locking device is brought into contact with the wall. Contact is prevented. Therefore, the lock device can be protected.

Further, in the invention according to claim 6, the lower frame body is provided with a surrounding frame body composed of front, rear, left and right side frames,
The lower frame body is provided with a bottom frame that can be opened and closed below the surrounding frame body, and one end of a bendable suspension cord is connected to at least one pair of opposite sides of the lower frame body, and these suspension frames are suspended. A suspending device is provided at the other end of the rope, and a space maintaining body for maintaining the space between the two hanging ropes is provided between the pair of left and right hanging ropes that face each other with the surrounding frame body sandwiched therebetween. The body is configured to be movable in the front-rear direction on a pair of left and right side frames.

According to this, when the box-shaped transport container is lifted, a force acts in a direction of approaching each other on the pair of hanging ropes that face each other across the surrounding frame, but since the spacing maintaining body is provided. , The distance between the two suspended ropes is maintained constant without narrowing. Therefore, at the time of hoisting, one suspension cord is not pressed against one side frame and the other suspension cord is not pressed against the other side frame, which causes the side frame to be pushed by the suspension cord and damaged. It is possible to prevent such a trouble as to occur.

Further, by moving the spacing maintaining member in the front-rear direction and positioning it at the front-rear ends on the pair of left and right side frames,
The opened upper surface of the box-shaped transport container can be utilized over the entire surface to take articles in and out of the box-shaped transport container without the obstruction of the space maintaining body.

Further, the invention according to claim 7 is such that the spacing maintaining member can be retracted from a pair of left and right side frames to the outside of either the front or the rear.

[0018]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. As shown in FIG. 1, reference numeral 1 denotes a box-shaped transport container having an open upper surface, which is capable of opening and closing a surrounding frame body 3 erected on a quadrangular lower frame frame body 2 and a lower side of the surrounding frame body 3. It is composed of the bottom frame 4. The surrounding frame 3
Is a front frame 6 connected to the front side of the lower frame frame body 2 via a hinge tool 5, a rear frame 8 connected to the rear side of the lower frame frame body 2 via a hinge tool 7, and a rear frame. A right frame connected to the right end of the side frame 8 via a spiral hinge coil 9.
10 and a left side frame 12 connected to the left end of the rear side frame 8 via a spiral hinge coil 11. As a result, the front frame 6 is hinged 5 as shown in FIG.
1, the rear side frame 8 can be folded sideways to the bottom frame 4 side, and the rear side frame 8 can be folded sideways to the bottom frame 4 side via the hinge tool 7 as shown in FIG. As shown by C, it can be folded by rotating to the outer surface side of the rear side frame 8 via the hinge coil 9, and the left side frame 12 can be folded via the hinge coil 11 as shown in FIG. It can be folded by rotating it to the outer surface side. Each of the side frames 6, 8, 10 and 12 is composed of a rectangular panel body in which wire rods are arranged in a grid pattern. Further, the front side frame 6 is the upper front side frame 6
a and a lower front frame 6b are divided into two parts, and an upper front frame 6a
Is hingedly connected to the lower front frame 6b side via a hinge coil 13 so as to be foldable.

At the right end of the front side frame 6, a plurality of barbed type locking members 14 for detachably fixing the front side frame 6 and the right side frame 10 in an assembled state are provided up and down. The left end of the frame 6 is provided with a plurality of barb type lock members 15 which are detachably fixed to the front frame 6 and the left frame 12 in an assembled state.

The bottom frame 4 is composed of a bottom frame frame 18 formed in a rectangular frame shape and a cover plate 19 attached to the upper surface of the bottom frame frame 18. As shown in FIG. 4, the left side portion of the bottom frame 4 and the left side of the lower frame body 2 are connected by a plurality of front and rear hinges 20. These hinges 20
As shown in FIG. 5 and FIG. 6, the gate-shaped upper fitting 21 provided on the left side surface of the lower frame body 2 and the upper fitting 21 provided on the left side surface of the bottom frame 4 are fitted inside the upper fitting 21. It is composed of a U-shaped lower metal fitting 22 and a rivet 23 inserted through the upper metal fitting 21 and the lower metal fitting 22. As a result, as shown in FIG. 10, the bottom frame 4 can be opened / closed by rotating in the vertical direction with the left side portion as the base end.

Further, as shown in FIGS. 1 and 3, a locking device for locking the bottom frame 4 in a closed state is provided at two positions in front of and behind the right side of the lower frame body 2 and the right side of the bottom frame 4. 26 are provided. That is, as shown in FIGS. 5 and 7, on the front and rear of the right side surface of the bottom frame 4, there are provided engaged pieces 27 that extend outward and upward and extend to the right side of the lower frame body 2. There is. Further, on the right side surface of the lower frame body 2, the lock hole of the engaged piece 27 is reciprocated in the front-rear direction.
A lock pin 29 that is insertable into and removable from the shaft 38 and is rotatable about the front-rear axis 28 is provided via a support member 30.
The support member 30 is provided between the first support plate 31, the second support plate 32, the third support plate 33, and the second support plate 32 and the third support plate 33 on which the lock pins 29 are inserted and supported. And a positioning piece 34 formed below. Of these, the first
The engaged piece 27 of the closed bottom frame 4 is inserted from below between the support plate 31 and the second support plate 32. It should be noted that the lower part of the first support plate 31 and the lower part of the second support plate 32 are arranged at lower positions for guiding the engaged piece 27 between the first support plate 31 and the second support plate 32. Inclined surfaces 35 and 36 that spread in the front-rear direction are formed facing each other. Of these, the one inclined surface 35 is formed by obliquely bending the lower portion of the first support plate 31. Also,
The lock pin 29 is provided with a rod-shaped handle 37 for operating the lock pin 29. When the lock pin 29 is inserted into the lock hole 38, as shown by the solid line in FIG. 7, the handle 37 can be inserted between the second support plate 32 and the positioning piece 34 to lock the lock pin 29. When the handle 37 is removed from the hole 38, the handle 37 has a positioning piece 34 and a third support plate.
Can be inserted between 33 and.

As shown in FIGS. 1 to 3, on the left and right sides of the bottom surface of the bottom frame 4, the upper end of the right side frame 10 and the upper end of the left side frame 12 of another box-shaped transport container 1 can be grounded. A pair of legs 41 that can be placed on the front and rear are provided. As shown in FIG. 2, on the lower surface of each leg 41, a concave portion 42 that is opened downward and can be fitted to the upper ends of the right side frame 10 and the left side frame 12 of the other box-shaped transport container 1 from above. Are formed in the front-back direction.

One end of a bendable chain 45 (an example of a suspension cord) is connected to each of the front and rear ends on the right side and the front and rear ends on the left side of the lower frame body 2 via a connecting bracket 46. ing. The above connecting brackets 46 are
It is composed of two plate members facing each other, and is attached to the lower surface sides of the front and rear ends of the left and right side portions of the lower frame body 2. The tip end portion of each of the connecting brackets 46 projects laterally outward from the side surface of the lower frame body 2. As shown in FIGS. 6 and 7, one end of the chain 45 and the tip of the connecting bracket 46 are connected by a hexagon bolt 47 and a nut 48.

As shown in FIG. 5, the lock device is
The outer end of 26 is moved inward by a dimension D from the outer end of the connecting bracket 46. Similarly, the above hinge
The outer end of 20 is shifted inward by a dimension D from the outer end of the connecting bracket 46.

As shown in FIGS. 1 to 4, between the pair of chains 45 facing each other with the surrounding frame 3 interposed therebetween, a space maintaining body 51 for maintaining the space between the two chains 45 is provided. There is. That is, as shown in FIGS. 8 and 9, the spacing maintaining body 51 is composed of a rod-shaped member 52 using a round pipe and connecting members 53 provided at both ends of the rod-shaped member 52.
The connecting member 53 is formed in an angle shape by the vertical plate portions 54 fixed to both end surfaces of the rod-shaped member 52 and the horizontal plate portions 55 extending from the upper ends of the vertical plate portions 54 to the left and right outer sides. Both of the vertical plate portions 54 are formed so as to be freely fitted and removed from above between the upper end portion of the left frame 12 and the upper end portion of the right frame 10, and both horizontal plate portions 55 are the upper ends of the left frame 12 and the right frame 10. It is formed so that it can be placed on.

Connection holes 56 are formed in the horizontal plate portion 55, and the chain 45 is inserted into the connection holes 56. As a result, the space maintaining member 51 is slidably connected between the left and right chains 45 with respect to the chains 45. A U-shaped member 57 having a circular vertical cross section is attached to the lower surface of the horizontal plate portion 55. As shown in FIG. 9, the curved portions 57a of these U-shaped members 57 are directed to the vertical plate portion 54 side, and the inner peripheral portion of the curved portion 57a is eccentrically projected from the inner peripheral surface of the connecting hole 56 toward the center side. ing. At the other end of each chain 45, a suspension ring 60 (an example of a suspension device) having a diameter larger than that of the connection hole 56 is provided.

The operation of the above structure will be described below.
According to this, as shown in FIG. 2 and FIG. 3, the hook 62 is hung on each suspension wheel 60 and is lifted by using a crane or the like. It is lifted while being supported. Therefore, the load at the time of lifting acts on the lower frame body 2 and the bottom frame 4 and does not directly act on the side frames 6, 8, 10, and 12, and therefore the side frames 6, 8, 10, It is possible to reduce the strength of 12. As a result, even with the box-shaped transport container 1 having the same internal volume as the conventional one, the side frames 6, 8, 10, 12 can be made smaller and lighter, and the box-shaped transport container 1 can be made smaller and lighter. Can be achieved.

When the box-shaped transport container 1 is lifted as described above, as shown in FIG.
, A force F acts in a direction in which the chains 45 approach each other. Therefore, when lifting, the right chain 45 is pressed against the right frame 10, or the left chain 45 is pressed.
Since the 45 is not pressed against the left frame 12, it is possible to prevent the right frame 10 from being damaged by being pressed by the right chain 45 and the left frame 12 being pressed and damaged by the left chain 45. .

Further, by sliding the spacing maintaining member 51 with respect to the chain 45 in a state where the box-shaped transport container 1 is lowered on the floor surface 63, the distance from the lower end of the chain 45 to the spacing maintaining member 51 can be freely set. Can be changed. As a result, as shown by the phantom line in FIG. 4, the front distance maintaining member 51 is moved to the front end between the left frame 12 and the right frame 10, and the rear distance maintaining member 51 is moved to the left frame 12 and the right frame 10. Can be moved to the rear end between them, and the open upper surface of the box-shaped transport container 1 can be used over the entire surface to take articles in and out of the box-shaped transport container 1. It doesn't get in the way.

Further, as shown in FIG. 3, when the box-shaped transportation container 1 is lowered onto the floor surface 63, the legs 41 are grounded to the floor surface 63 and the box-shaped transportation container 1 is supported by the legs 41. . At this time, since the load applied to the bottom frame 4 is directly supported by the floor surface 63 via each leg 41, the bottom frame 4 can be prevented from bending downward.

After that, as shown in FIG. 7, an operator picks the handle 37 of the lock device 26 and rotates the lock pin 29 around the front-rear axis 28 so that the handle 37 becomes the second support plate 32. The lock pin 29 is disengaged from between the positioning piece 34, and then the lock pin 29 is moved in one direction in the front-rear direction to be disengaged from the lock hole 38 of the engaged piece 27, and the lock pin 29 is moved back and forth. Axis 28
Rotate to the other side around the handle 37 as shown by the phantom line.
Is inserted between the third support plate 33 and the positioning piece 34. As a result, the lock of the bottom frame 4 is released, and the lock pin 29 is positioned and fixed in the open position.

Thus, even if the lock is released, the leg 41
Is grounded on the floor surface 63, the bottom frame 4 does not open downward by its own weight and the load of the stored articles.
Therefore, there is no risk that the free end of the bottom frame 4 hits the floor surface 63 strongly and is damaged, or the operator's hand or the like is caught between the free end of the bottom frame 4 and the floor surface 63.

Then, the box-shaped transport container 1 according to the above-described procedure.
As shown in FIG. 10, the bottom frame 4 is opened downward, and the stored articles are simultaneously discharged below the box-shaped transport container 1 by lifting the.

After the stored articles are discharged, the box-shaped transport container 1 is lowered to close the bottom frame 4. At this time, as the bottom frame 4 is closed, the engaged piece 27 is
The locking device 26 is guided by both inclined surfaces 35 and 36, and is securely and smoothly inserted between the first support plate 31 and the second support plate 32. Then, the handle 37 shown in phantom is used as the third support plate.
After being removed from between the 33 and the positioning piece 34 and inserting the lock pin 29 into the lock hole 38 of the engaged piece 27 as shown by the solid line, the handle 37 is secondly supported as shown by the solid line. By inserting it between the plate 32 and the positioning piece 34, the bottom frame 4 is locked in the closed state, and the lock pin 29 is positioned and fixed in the closed position. Therefore, it is possible to prevent an accident in which the lock pin 29 is arbitrarily removed from the engaged piece 27 due to vibration and the bottom frame 4 is opened.

Further, as shown in FIG. 11, the box-shaped transport container 1
A plurality of box-shaped transport containers 1 are vertically stacked by placing the legs 41 of another box-shaped transport container 1 lifted using a forklift on the upper end of the right frame 10 and the upper end of the left frame 12. can do. At this time, as shown in FIG. 2, the recesses 42 of the legs 41 of the upper box-shaped transport container 1 are fitted to the upper ends of the right frame 10 and the left frame 12 of the lower box transport container 1, respectively. Therefore, it is possible to prevent the stacked box-shaped transport containers 1 from shifting in the left-right direction. Further, as shown in FIG.
Both vertical plate portions 54 are fitted from above between the upper ends of the right side frame 10 and the left side frame 12, so that the rod-shaped member 52 is located inside the right side frame 10 and the left side frame 12. It does not protrude upward from the cage. Therefore, the rod-shaped member 52 of the lower box-shaped transport container 1 does not interfere with the upper box-shaped transport container 1, and further,
Fork insertion space formed between the bar-shaped member 52 of the lower box-shaped transport container 1 and the bottom frame 4 of the upper box-shaped transport container 1
Since 64 can be widely secured in the vertical direction, stacking work using a forklift can be easily performed.

Further, the pair of front side chains 45 is swung forward around the lower end and the pair of rear side chains 45 is used.
By swinging backward around the lower end, the front side distance maintaining member 51 is retracted forward and downward of the front frame 6 and the rear distance maintaining member 51 is moved rearward as shown by the phantom line in FIG. The side frame 8 is retracted rearward and downward. After that, the lock by the right lock member 14 is released, the right frame 10 is rotated in the direction of arrow C in FIG. 1 to fold it to the outer surface side of the rear frame 8, and further, the lock by the left lock member 15 is performed. Release it and turn the left frame 12 in the direction of arrow D to
Then, the rear frame 8 together with the right frame 10 and the left frame 12 is laid down in the direction of arrow B and folded to the bottom frame 4 side. On the rear portion of the upper surface of the left side frame 12 folded in this manner, the rear side space maintaining member 51 and the chain 45 which are laid sideways are placed as shown in FIG. 12, and the folded rear side frame 8 is placed. And the right frame 10
The front space maintaining body 51 and the chain 45 are placed in front of the left frame 12 and on the front upper surface of the bottom frame 4. Thereafter, as shown in FIG. 1, the front side frame 6 is laid sideways in the direction of arrow A and folded to the bottom frame 4 side, so that the front side space maintaining member 51 and the chain 45 are separated as shown in FIG. The box-shaped transport container 1 can be folded while being housed between the bottom frame 4 and the front frame 6. Thereby, the space required for storing the box-shaped transport container 1 can be reduced.

Further, when the spacing maintaining member 51 is placed on the upper end of the right frame 10 and the upper end of the left frame 12, the chain 45 slides downward through the connecting hole 56 by its own weight, and the suspending ring 60 automatically.
Ride on the lateral plate portion 55 of the connecting member 53. This allows the hook
62 can be easily hooked on the suspension ring 60.

When the spacing maintaining member 51 is slid with respect to the chain 45, as shown in FIG. 9, the curved portion 57a of the U-shaped member 57 abuts on the chain 45, so that the spacing maintaining member 51 is moved.
Can be smoothly slid with respect to the chain 45. Further, the U-shaped member 57 also serves to reinforce the connecting member 53.

Further, as shown in FIG. 5, since the outer end of the locking device 26 is moved inward by a dimension D from the outer end of the connecting bracket 46, when the box-shaped transport container 1 is lifted. , The box-shaped transport container 1 rocks and the connecting bracket 46
Even if the outer end of the device accidentally contacts the surrounding wall, the locking device 26 is prevented from contacting the wall. Therefore, the lock device 26 can be protected. Similarly, since the outer end of the hinge 20 is moved inward by the dimension D from the outer end of the connecting bracket 46, even the hinge 20 is prevented from coming into contact with the wall. Can be protected.

In the above-described embodiment of the present invention, the chain 45 is used as an example of the bendable sling body, but it may be a wire or a belt. In the embodiment of the present invention described above, as shown in FIG. 10, the bottom frame 4 is configured to be openable and closable with the left side portion as the base end, but it can be opened and closed with the right side portion or the front side portion or the rear side portion as the base end. You may comprise. Further, the bottom frame 4 may be divided into two.

[0041]

As described above, according to the invention described in claim 1 of the present invention, the box-shaped transportation container is provided with a lower frame by hanging a hook or the like on each hanging device and lifting it with a crane or the like. The frame body is lifted while being supported by each suspension cord body. Therefore, the load at the time of lifting acts on the lower frame body and the bottom frame and does not directly act on each side frame, so that the strength of each side frame can be reduced. As a result, each side frame can be reduced in size and weight even with a box-shaped transport container having the same internal volume as the conventional one, and the box-shaped transport container can be reduced in size and weight accordingly.

Further, by opening the bottom frame, it is possible to simultaneously discharge the stored articles below the box-shaped transport container. Further, according to the third aspect of the present invention, the space required for storing the box-shaped transport container can be reduced by folding the surrounding frame together with the suspension cord toward the bottom frame.

Further, according to the invention described in claim 4, since the load applied to the bottom frame is directly supported on the floor surface through the legs, it is possible to prevent the bottom frame from bending downward. By mounting the legs on the upper ends of the side frames of the surrounding frame bodies of other box-shaped transport containers, a plurality of box-shaped transport containers can be stacked vertically.

Further, according to the fifth aspect of the present invention, when the box-shaped transport container is hoisted and the box-shaped transport container shakes and the outer end of the connecting bracket accidentally comes into contact with the surrounding wall or the like, Even the locking device is prevented from touching the wall. Therefore, the lock device can be protected.

Further, according to the invention of claim 6, when the box-shaped transport container is hoisted, a force acts on the pair of sling members which face each other with the enclosing frame body sandwiched therebetween, in directions approaching each other. Since the spacing maintaining body is provided, the spacing between both suspension ropes is maintained constant without narrowing. Therefore, at the time of lifting, one suspension cord is pressed against one side frame,
The other suspension cord is not pressed against the other side frame, and thus it is possible to prevent the side frame from being damaged by being pushed by the suspension cord.

Further, by moving the spacing maintaining member in the front-rear direction and positioning it at the front-rear ends on the pair of left and right side frames,
The opened upper surface of the box-shaped transport container can be utilized over the entire surface to take articles in and out of the box-shaped transport container without the obstruction of the space maintaining body.

[Brief description of drawings]

FIG. 1 is a perspective view of a box-shaped transport container according to an embodiment of the present invention.

FIG. 2 is a front view of a box-shaped transport container.

FIG. 3 is a right side view of the box-shaped transport container.

FIG. 4 is a plan view of the box-shaped transport container.

FIG. 5 is a partially cutaway plan view of a lower frame body of the box-shaped transport container.

FIG. 6 is a detailed view of a connecting portion between a lower frame body and a bottom frame of the box-shaped transport container.

FIG. 7 is a detailed view of a lock device for the bottom frame of the box-shaped transport container.

FIG. 8 is a partially cutaway front view of the space maintaining member of the box-shaped transport container.

FIG. 9 is a plan view of the space maintaining member of the box-shaped transport container.

FIG. 10 is a front view of the box-shaped transport container with the bottom frame opened.

FIG. 11 is a schematic front view of a plurality of box-shaped transport containers that are stacked.

FIG. 12 is a right side view of the folded box-shaped transport container.

[Explanation of symbols] 1 Box-shaped transport container 2 Lower frame frame body 3 Enclosure 4 bottom frame 6 front frame 8 rear frame 10 Right frame 12 Left frame 26 Locking device 41 legs 45 chains (suspension line) 46 Connecting bracket 51 Interval maintainer 60 hanging ring (hanging equipment)

Continuation of the front page (56) Reference JP-A-60-123341 (JP, A) Actually open 7-35334 (JP, U) Actually open 60-27021 (JP, U) Actually open 5-49628 (JP , U) Actual development 54-30622 (JP, U) Actual public 55-53470 (JP, Y1) (58) Fields investigated (Int.Cl. ⁷ , DB name) B65D 6/00-13/02 B65D 19/00-19/44 B65D 23/00-25/56 B65D 88/00-90/66

Claims (7)

(57) [Claims] 1. A lower frame body is provided with a surrounding frame body composed of front, rear, left and right side frames, and a bottom frame is provided on the lower frame frame body so as to be able to open and close below the surrounding frame body. To connect at least one pair of opposite sides of the frame body to one end of a flexible suspending cord, and to provide a suspending device at the other end of these suspending strands so that the suspending cord moves downward by its own weight.
Therefore, the above hanging equipment is configured to reach the upper end of the side frame
A box-shaped transport container characterized by being 2. A lower frame body is provided with a surrounding frame body composed of front, rear, left and right side frames, and the lower frame body is provided with a bottom frame capable of opening and closing below the surrounding frame body. At least one pair of opposite sides of the frame body is connected to one end of a flexible suspending cord, a suspending device is provided at the other end of these suspending strands, and the suspending strap is attached to the outer surface of the side frame. provided over the upper end of the side frame from the lower frame frame member, and is configured to be lifted via the lifting device, said hanging
When the rope is moved downward by its own weight,
A box-shaped transport container, characterized in that the tool is configured to reach the upper end of the side frame . 3. A lower frame body is provided with a surrounding frame body composed of front, rear, left and right side frames, and a bottom frame capable of opening and closing below the surrounding frame body is provided on the lower frame body. To connect at least one pair of opposite sides of the frame body to one end of a flexible suspending cord, and to provide a suspending device at the other end of these suspending strands so that the suspending cord moves downward by its own weight.
Therefore, the above hanging equipment is configured to reach the upper end of the side frame
By which a box-shaped carrier container which is characterized by being configured foldably hanging rigging each side frame in a state of connecting the suspending member body to the lower frame frame member to the bottom frame side. 4. A lower frame body is provided with a surrounding frame body including front, rear, left and right side frames, and a bottom frame is provided on the lower frame frame body so as to be able to open and close below the surrounding frame body. To connect at least one pair of opposite sides of the frame body to one end of a flexible suspending cord, and to provide a suspending device at the other end of these suspending strands so that the suspending cord moves downward by its own weight.
Thus the hanging instrument is configured to reach the upper end portions of the pair of left and right side frames on the same side as said set of sides, to the bottom frame, it provided a possible grounding leg, a plurality of box-shaped When the transport containers are stacked vertically, each leg of the upper box transport container should be placed on the pair of left and right side frames on the same side as the above set of sides of the lower box transport container. Box-shaped transport container characterized by. 5. A lower frame body is provided with a surrounding frame body composed of front, rear, left and right side frames, and a bottom frame which can open and close below the surrounding frame body is provided on the lower frame body. At least one pair of opposite sides of the frame body is connected to one end of a flexible suspending cord, and a suspending device is provided at the other end of these suspending strands, and the front end portions of the left and right side portions of the lower frame body are connected to each other. Connecting brackets protruding outward from the side surfaces of the lower frame body are provided at the rear end portion, respectively, and one end of the suspension cord is connected to the leading end portion of each of the connecting brackets, and the lower frame body and the bottom frame are connected. A locking device that locks the bottom frame in a closed state is provided on one of the left and right sides of the locking device, and the outer end of the locking device is moved inward from the outer end of the connecting bracket. Box-shaped transport container. 6. A lower frame body is provided with a surrounding frame body composed of front, rear, left and right side frames, and a bottom frame which can open and close below the surrounding frame body is provided on the lower frame body. At least one pair of opposite sides of the frame body is connected to one end of a flexible suspending cord, and a suspending device is provided at the other end of these suspending strands. A space maintaining body for maintaining a space between the two hanging ropes is provided between the hanging ropes, and the distance maintaining body is configured to be movable in the front-rear direction on a pair of left and right side frames. Box-shaped transport container. 7. The box-shaped transport container according to claim 6, wherein the spacing maintaining member is configured to be retractable from the pair of left and right side frames to either the front or the rear outward direction.