JP3498776B2 - Multi-packaging buffer structure - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a positioning buffer used for transporting a toner cartridge used in a printer, and more specifically, a plurality of toner cartridges are collectively collected and packaged into a single package. The present invention relates to a cushioning structure for multi-packaging of a toner cartridge that can be handled as a body.

[0002]

2. Description of the Related Art Toner cartridges used in printers for personal computers and word processors are assembled with precision mechanical parts including photosensitive drums, so that they will not be damaged or deteriorated in quality during handling during shipping or transportation. Therefore, there is a demand for packaging that can sufficiently cope with vibrations and shocks during transportation or during handling of goods.

Conventionally, in the shipping of toner cartridges, the toner cartridges are placed one by one in a light-shielding protective bag, and then the left and right sides of the cartridge are fixed by a cushioning material made of a set of molded products made of expanded polystyrene and the like. However, in this method, the cost required to mold the molded product is high, which affects the price, and the packaging work is time-consuming, bulky, and environmentally affected by packaging waste. There was a problem that the load was large.

On the other hand, the consumption of toner cartridges for printers has been increasing due to the recent office automation office automation. Therefore, three or five toner cartridges have been replaced by the conventional one. As a unit, there is a demand that they can be collectively packaged and handled as a single package during transportation.

[0005]

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to prevent damage and quality deterioration due to rough handling during shipping or transportation, and at the same time, to provide a plurality of toner cartridges (for example, 3 to 5). The present invention intends to propose a cushioning structure for multi-packaging in which individual pieces) are collectively packaged and can be handled as a single package.

[0006]

In order to solve the above-mentioned problems, the present invention has a quadrangular opening surface and is constructed so that the opening surface can be closed by a cover plate extended from the opposite side surfaces. And a bottom support body wound in a set of rectangular cylinders having slits of regular pitch and locking holes for fixing a toner cartridge formed on the upper surface and the opposite surface, the bottom surface of the outer case. The bottom support body is provided side by side with a predetermined interval on both sides of the part, and the bottom edge slits engage with the slits, and the bottom support body is provided with slits or recesses near both ends of the top edge and in the center. And a plurality of partition plates that are inserted in a direction orthogonal to and partition the facing side surfaces of the exterior case into a plurality of rooms, and side and bottom surfaces, and slits with regular pitches that engage with slits at the upper edges of the partition plates. Tonerka A pair of top reinforcing members formed with locking holes for fixing the ridge, and an upper opening top plate attached to a recessed portion at the center of the upper edge of the partition plate, and the bottom support member and the top reinforcing member. A toner cartridge is housed in a space surrounded by an upper opening top plate and two adjacent partition plates, and the toner cartridge is pressed from above and below by the bottom support and the top reinforcement. A cushioning structure for multi-packaging.

The bottom support is made of a sheet material in which both ends are superposed and bent into a rectangular tube shape. The side wall surface formed by superimposing the both ends has a slit with which a partition plate engages and a lower portion of the toner cartridge. A locking hole for the protrusion is formed.

Further, the partition plate is formed with an escape hole for the drum protection shutter plate operating arm of the toner cartridge.

The top reinforcing member is made of a single sheet material that can be bent into a U shape, one end of which is engaged with a slit at the upper edge of the partition plate, and the other end of which is in contact with the inner surface of the side wall of the outer case. It is held in the open state.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION Next, embodiments of the present invention will be specifically described with reference to the drawings. First, the overall shape of the object to be packed (toner cartridge) C targeted by the present invention is shown in FIG. The toner cartridge C has a shape having convex and concave portions on the front surface and the back surface. In addition to the photosensitive drum in the center,
A protective shutter S for the photosensitive drum is provided on the lower side. Further, in the figure, reference numeral S1 is an arm for operating the shutter plate, which projects outward. This toner cartridge is housed and packaged one by one in a light-shielding protective bag as usual, but not shown.

FIG. 2 is an exploded perspective view of the cushioning structure of the present invention, in which reference numeral 10 is an outer case made of corrugated cardboard which constitutes an outer yard of the cushioning structure of the present invention. This case 10 is JI
A corrugated cardboard box having a rectangular opening surface 12 on the top surface specified by S (Z1507) and having an opening surface that can be closed by a cover plate 11 extending from the opposite side surfaces is usually used.

In the figure, reference numeral 21 is a pair of bottom support members each having a rectangular shape and arranged side by side at a predetermined interval on both sides of the bottom surface of the outer case 10. Reference numeral 31 is a plurality of partition plates that are inserted in a direction orthogonal to the bottom support 21 and divide the facing side surfaces of the outer case 10 into a plurality of rooms. Further, reference numeral 41 is a pair of top reinforcing members in which slits having regular pitches and locking holes for fixing the toner cartridge are formed on the side surface and the lower surface. Further, reference numeral 51 denotes an upper opening top plate attached to the central portion of the upper edge of the partition plate 31, respectively.

FIG. 3 shows a state in which the toner cartridge C (shown in an exposed state) is housed inside the cushioning structure of the present invention, and the outer case 10 is omitted. The configuration of each part of the buffer structure will be described below with reference to FIGS.

Bottom Support 21 The bottom supports 21 are juxtaposed on both sides of the bottom surface of the outer case 10 with a predetermined space therebetween. The bottom supports 21 are bent along parallel fold lines 22 engraved on the corrugated cardboard sheet 20 and located at the side position. After both end portions 23a and 23b of the sheet are polymerized and wound into a rectangular tube shape, the superposed surfaces of the both end portions are fixed with an adhesive or a tape as required.

It should be noted that slits 24 and locking holes 25 for fixing the toner cartridge are formed in advance at regular pitches on the upper surface and the opposing surface of the bottom support 21. The bottom support 21 shown in the present embodiment has a slit 24 and a locking hole 25 for fixing a toner cartridge formed at a side surface position formed by overlapping both ends of the bottom support 21 after bending them into a rectangular tube shape. There is.

4 and 4 are development views of the bottom support 21, which are symmetrical with.

Partition Plate 31 FIG. 5 is a plan view of the partition plate 31. This is inserted in a direction orthogonal to the bottom support 21 to insert the outer case 10.
The opposite side surfaces of can be divided into multiple rooms. As shown in the figure, the partition plate is formed from a substantially rectangular corrugated cardboard sheet 30. The lower edge of the seat has a slit 32 and a notch 33 that engage with the slip 24 of the bottom support.
Further, the slit 34 and the recesses 35 and 36 are provided near both ends of the upper edge of the sheet and in the central portion. Note that reference numeral 3
Reference numeral 7 is a locking step provided at both ends of the upper edge of the partition plate, and 37 is a clearance hole for the shutter plate operating arm. By the way, partition plate 3
A plurality of sheets 1 are prepared as shown in FIGS. 2 and 3, and are used by inserting them in a direction orthogonal to the bottom support 21 as described above. In the case of this example, four partition plates 31 are prepared.

Top Reinforcement Body 41 FIG. 6 and FIG. 6 are development views of the top reinforcement body 41 made of a corrugated board sheet, and are symmetrical with and.

The top reinforcing member 41 is a rectangular sheet member 4
It is configured so that it can be bent into a substantially U shape along the parallel broken line 42 engraved at 0, as shown in FIG. Further, at one end 43a or the other end 43b of the sheet, slits 44 having a regular pitch that engage with the slits 34 at the upper edge of each partition plate and locking holes 45 for fixing the toner cartridge are formed. The illustrated locking hole 45 is provided with tongue pieces 46, 46 that are capable of protruding inwardly through a notch line 45a formed to have a substantially T shape, and is locked when the tongue piece is bent. A hole is opened, but the tongue is not essential and may be omitted. A locking hole may be provided between the slits 44. In addition, when the slit 44 is engaged with the slit 34 at the upper edge of the partition plate 31, this top reinforcement is held so that one end of the sheet material is bent upward and is in contact with the inner surface of the side wall of the exterior case. It is formed so as to abut the locking step portions 36 provided at both ends of the upper edge.

Top plate 51 FIG. 7 is a development view of the top-open top plate 51 which is mounted in the recess 35 at the center of the upper edge of the partition plate 31. A rectangular sheet 50 made of corrugated cardboard is shown in parallel broken lines 52. Along
It is formed so that it can be bent into a substantially U shape. This ceiling plate is attached in an upper open state in the central recess 35 at the upper edge of the partition plate as described later.

Next, the state of use of the cushioning structure of the present invention will be described. In the present invention, as shown in FIGS. 3 and 8, a plurality of toner cartridges C (for example, three) are accommodated in a space surrounded by two adjacent partition plates 31 and 31 in a vertically placed state. To do. That is, the lower sides of the toner cartridge C are fitted and locked into the locking holes 25 for fixing the toner cartridge, which are provided on the overlapped side surfaces of the bottom support 21 arranged side by side at a predetermined interval. Further, as shown in FIG. 9, the toner cartridge C is pressed from above by the top reinforcing member 41 and the upper opening cover plate 51, and the toner is fixed in the toner cartridge fixing locking hole 45 provided in the top reinforcing member 41. The upper and both sides of the cartridge C are fitted and locked. The shutter arm of the toner cartridge is fitted into the escape hole 37 formed in the partition plate so that an unreasonable force is not applied to the arm during transportation.

At the time of shipment, the buffer structure shown in FIG. 3 is housed in the outer case of FIG. 2, and the lid 11 which is superposed on the top reinforcing member 41 and the ceiling pad 51 is taped to the case. Seal it.

[0023]

As described above, according to the present invention, a pair of rectangular tube-shaped bottom supports having slits of regular pitch and locking holes for fixing a toner cartridge are formed on the upper surface and the opposing surface. That is, the bottom support body is arranged side by side at a predetermined interval on both sides of the bottom surface of the outer case, and has a slit of the lower edge that engages with the slit, or a slit in the vicinity of both ends of the upper edge and the central portion. A plurality of partition plates that are provided with recesses and are inserted in a direction orthogonal to the bottom support member to divide the facing side surfaces of the exterior case into a plurality of chambers, and on the side surfaces and the lower surface, the slits at the upper edges of the partition plates. Consisting of a pair of top reinforcing members having slits of regular pitch to engage with each other and locking holes for fixing the toner cartridge, and an upper opening top plate attached to a recess at the center of the upper edge of the partition plate, The bottom support and the top reinforcement The toner cartridge is housed in a space surrounded by the open top plate and two adjacent partition plates, and the toner cartridge is pressed from above and below by the bottom support and the top reinforcement, and the top surface of this structure is Since it has a double girder structure, it does not collapse against the compressive force from above, so it prevents damage and quality deterioration of the toner cartridge due to rough handling during shipping or transportation, and prevents vibration and vibration during transportation or handling. It can withstand shocks.

According to the present invention, a plurality of toner cartridges can be collectively packaged and handled as a single package. It can also be used when returning the toner cartridge after use.

The product of the present invention does not require a cushioning material formed of a molded product, and the packaging material is entirely made of corrugated cardboard, so that the packaging cost can be significantly reduced and the packaging waste can be easily treated.

[Brief description of drawings]

FIG. 1 is a perspective view showing an overall shape of an article to be packed (toner cartridge C) targeted by the present invention.

FIG. 2 is an exploded perspective view of the cushioning structure of the present invention.

FIG. 3 is a perspective view showing a state in which a toner cartridge C is housed inside a cushioning structure of the present invention.

4 is an exploded view of the bottom support 21 of FIG. 4 and FIG.

FIG. 5 is a plan view of a partition plate that divides the opposite side surfaces of the case into a plurality of rooms.

FIG. 6 and FIG. 6 are development views of a top reinforcing member 41 made of a corrugated cardboard sheet.

FIG. 7 is a development view of a balance board.

FIG. 8 shows a plurality of toner cartridges C adjacent to each other.
FIG. 3 is a partially cutaway side view showing a state in which each of them is housed vertically in a space surrounded by a plurality of partition plates.

FIG. 9 is an enlarged front view of a part of the same.

[Explanation of symbols]

10 Outer case 21 bottom support 24 slits 25 Locking hole 31 Partition Plate 32 slits 34 slits 35 recess 37 escape hole 41 Top reinforcement plate 44 slits 45 Locking hole 51 Top plate

─────────────────────────────────────────────────── --- Continuation of the front page (56) References JP-A-1-240438 (JP, A) JP-A-8-2558 (JP, A) JP-A-8-85536 (JP, A) JP-A-9- 301434 (JP, A) JP-A-9-2530 (JP, A) Actually open 54-2574 (JP, U) Actually open 5-24578 (JP, U) Actual public 61-38624 (JP, Y2) Jikken 28-7989 (JP, Y1) (58) Fields investigated (Int.Cl. ⁷ , DB name) B65D 77/26 B65D 5/50 B65D 85/68

Claims (4)

(57) [Claims] 1. An outer case having a quadrangular opening surface, the opening surface being closed by a cover plate extending from opposite side surfaces, and slits having a predetermined pitch on the upper surface and the opposing surface. 1. A set of bottom supports wound around a pair of rectangular cylinders having locking holes for fixing the toner cartridge, the bottom supports being juxtaposed at predetermined intervals on both sides of the bottom surface of the outer case, There is a slit at the lower edge that engages with the slit, slits or recesses are provided in the vicinity of both ends of the upper edge and at the center, and the slits or recesses are inserted in a direction orthogonal to the bottom support to insert a plurality of space between the facing side surfaces of the outer case. A plurality of partition plates for partitioning into a room, and a pair of top reinforcing members formed with slits at a predetermined pitch that engage with slits on the upper edges of the partition plates and locking holes for fixing the toner cartridge on the side surface and the lower surface. When A partition plate located at the center of the upper edge of the partition plate and surrounded by the bottom support member, the top reinforcement member, the upper opening balance plate, and two adjacent partition plates. A buffer structure for multi-packaging, wherein a toner cartridge is housed in a space, and the toner cartridge is pressed from above and below by the bottom support and the top reinforcement. 2. The bottom support is made of a sheet material in which both ends are superposed and wound in a rectangular tube shape, and a side wall formed by superposing the both ends with a partition plate is a slit and a toner cartridge. The cushioning structure for multi-packaging according to claim 1, wherein a locking hole of the lower protruding portion is formed. 3. The cushioning structure for multi-packaging according to claim 1, wherein the partition plate is formed with an escape hole for an arm of the toner cartridge. 4. The top reinforcing member is made of a single sheet material that can be bent into a U shape, one end of which is engaged with a slit at the upper edge of the partition plate, and the other end of which is in contact with the inner surface of the side wall of the outer case. hand,
The cushioning structure for multi-packaging according to claim 1, which is held in an upper open state.