Paper hook mounting structure

Abstract

To provide a mounting structure of a paper-made hook capable of easily mounting and firmly fixing the paper-made hook to a base plate.SOLUTION: A paper-made hook 1 is laid down in a state that half-hook parts 11 are folded along a middle folding line 12. A base part of the paper-made hook 1 is inserted into a mounting hole 21 longer in a lateral direction than in a longitudinal direction from a surface side of a base plate 2, and the paper-made hook 1 is rotated in the longitudinal direction while an inter-projecting piece cut 16 between a front projecting piece 14 and a rear projecting piece 15 and a bent part cut 17 crossing the middle folding line 12 are matched with a position of the mounting hole 21 of the base plate 2. When the half-hook parts 11 are opened with the middle folding line 12 as an axis, the base plate 2 is held between the front projecting piece 14 and the rear projecting piece 15, and end edges of the inter-projecting piece cut 16 and the bent part cut 17 abut on a front surface or a rear surface of the base plate 2, and the oscillation of the paper-made hook 1 in a vertical direction and a horizontal direction to the base plate 2 is suppressed, and the paper-made hook 1 is fixed to the base plate 2.SELECTED DRAWING: Figure 5

Description

Technical Field

[0001] The present invention relates to a structure for attaching and fixing a paper hook to a base plate in hanging fixtures and the like used in stores.

Background Art

[0002] Generally, a hanging fixture for hanging commodities in stores is formed by attaching a plastic hook to a base plate made of interleaved paper, and it is necessary to separate the base plate from the hook when discarding the fixture.

[0003] From the viewpoints of labor saving in the separation work and environmental protection, hooks made of resin molded products blended with paper resources are sometimes used. However, since such hooks are similar in shape to conventional plastic hooks, there is a high possibility that they will be misunderstood as requiring separation.

[0004] In order to eliminate such concerns, as presented in the following Patent Documents 1 and 2, it is also considered to use a paper hook formed by bending thick cardboard.

[0005] The paper hook described in Patent Document 1 is attached to the base plate in the following manner: the base portion is inserted into a vertically elongated mounting hole or an inverted V-shaped mounting hole formed in the base plate in a state of being tilted in the vertical direction such that the tip end side is higher, the notch at the upper end of the base portion is engaged with the upper edge of the mounting hole, then the tilt is restored, and the notch at the lower end of the base portion is engaged with the lower edge of the mounting hole.

[0006] Further, the paper hook described in Patent Document 2 is attached to the base plate in the following manner: in a state of being folded along a crease line in the length direction, the base portion is inserted into a vertically elongated mounting hole formed in the base plate, the bending angle is slightly opened to match the edge of the trapezoidal portion of the mounting hole, and the protruding pieces extending upward and downward from the base portion are engaged with the upper end side and the lower end side of the mounting hole, respectively.

Prior Art Documents

Patent Documents

[0007] [Patent Document 1] Japanese Patent Publication No. 2021-62288 [Patent Document 2] Japanese Patent Publication No. 2021-115352 [Overview of the project] [Problems that the invention aims to solve]

[0008] However, in the paper hook mounting structures described in Patent Documents 1 and 2, if the width of the mounting hole is made large to facilitate insertion of the paper hook into the base plate, there is a problem in that the paper hook attached to the base plate becomes wobbly.

[0009] Therefore, the objective of this invention is to provide a mounting structure for a paper hook that allows the paper hook to be easily attached to a base plate and securely fixed. [Means for solving the problem]

[0010] To solve the above problems, this invention provides a mounting structure for attaching and fixing a paper hook to a base plate, The aforementioned paper hook has a pair of half-hook portions connected via a central fold line, and each half-hook portion has a front projection and a back projection sequentially attached to the base of a suspension rod portion extending along the central fold line via notches between the projections, forming a notch in the folded portion that crosses the central fold line. The base plate has mounting holes that are longer in the horizontal direction than in the vertical direction. Two engagement holes are drilled vertically away from the aforementioned mounting hole. The tip of the front or back projection of the paper hook has an engaging portion that protrudes from the edge facing the notch between the projections. The paper hook is laid on its side with the half-hook portion folded along the center fold line, the base of the paper hook is inserted into the mounting hole from the surface side of the base plate, the notches between the protruding pieces and the notches in the bent portion are aligned with the mounting hole on the base plate, and the paper hook is rotated vertically so that the half-hook portions open together around the center fold line, The engaging portion of the edge of the front projection or back projection engages with the two engaging holes, respectively, thereby restricting the opening angle between the half-hook portions to a predetermined angle.The base plate is sandwiched between the front projection and the back projection, and the edges of the notches between the projections and the notches in the bent portion abut against the surface or back surface of the base plate, thereby suppressing the vertical and horizontal swinging of the paper hook relative to the base plate, and fixing the paper hook to the base plate.

[0011] Furthermore, the mounting holes of the base plate are provided with recessed portions on the laterally extending opening edges, and steps are formed at both ends of the recessed portions. When the base of the paper hook is inserted into the mounting hole and the half-hook portions are opened along the fold line, the half-hook portions come into contact with the steps at both ends of the recessed portion. This contact and the engagement between the engagement portion and the two engagement holes, The opening angle between the aforementioned half-hook portions is restricted to a predetermined angle.

[0012] Furthermore, the two engagement holes in the base plate are located at different distances from the mounting holes. In the half-hook portion of the aforementioned paper hook, the lengths of the front projection or back projection having the engagement portion are different, and the distance from the middle fold line to the tip of each is offset. As the paper hook rotates, the engaging portion of the front or back projection of the half-hook portion sequentially engages with the two engaging holes.

[0013] In addition, the notch in the bent portion of the aforementioned paper hook is designed so that the rear end is open, ensuring that the punched-out waste is reliably separated during the punching process.

[0014] Furthermore, in these designs, the paper hooks inserted into the mounting holes of the base plate are arranged so that the half-hook portions open up in a V-shape, with the gap between them widening upwards from the central fold line.

[0015] Alternatively, the paper hooks inserted into the mounting holes of the base plate are designed to open in an inverted V-shape, with the gap between the half-hook portions widening downwards from the central fold line. [Effects of the Invention]

[0016] In the mounting structure for a paper hook according to the present invention, the paper hook in which half hook portions are folded along a middle folding line can be easily mounted on a base plate simply by inserting the paper hook in a laterally laid state into a mounting hole of the base plate, rotating the paper hook in the vertical direction to open the half hook portions from each other.

[0017] In this mounted state, the base plate is sandwiched between a front protruding piece and a rear protruding piece of the paper hook, and the edges of the notch between protruding pieces and the notch at the bent portion abut against the front surface or the back surface of the base plate, so that swinging of the paper hook in the vertical direction and the horizontal direction relative to the base plate is suppressed, thereby preventing wobbling of the paper hook. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] [Figure 1] A diagram showing a paper hook and a base plate according to a first embodiment of the present invention [Figure 2] A perspective view showing a process of mounting the above-described paper hook to the base plate [Figure 3] A perspective view showing a process of mounting the above-described paper hook to the base plate [Figure 4] A perspective view showing a front view of the above-described paper hook in a mounted state on the base plate [Figure 5] A perspective view showing a rear view of the above-described paper hook in a mounted state on the base plate [Figure 6] A perspective view showing a hanging fixture in which a plurality of the above-described paper hooks are mounted to a base plate [Figure 7] A diagram showing another embodiment of the engaging hole of the above-described base plate [Figure 8] A diagram showing a paper hook and a base plate according to a reference embodiment [Figure 9] A perspective view showing a process of mounting the above-described paper hook to the base plate [Figure 10] A perspective view showing a process of mounting the above-described paper hook to the base plate [Figure 11] A perspective view showing a front view of the above-described paper hook in a mounted state on the base plate [Figure 12] A diagram showing another embodiment of the above-described paper hook and base plate [Figure 13] A perspective view showing a front view of the above-described paper hook in a mounted state on the base plate [Figure 14] A diagram showing other forms of the paper hook shown above. [Figure 15] A diagram showing other forms of the paper hook shown above. [Figure 16] This figure shows a paper hook and base plate according to a second embodiment of the present invention. [Figure 17] A perspective view showing the attachment of the paper hook shown above to the base plate, viewed from the front. [Modes for carrying out the invention]

[0019] <First Embodiment> Figures 1 to 7 show a paper hook 1 and a base plate 2 according to the first embodiment of this invention.

[0020] (Paper hook) The paper hook 1 shown in Figure 1 is made of laminated cardboard, with a pair of half-hook portions 11 connected by a central fold line 12. The central fold line 12 is a half-cut line, where the laminated cardboard is cut partway in the thickness direction.

[0021] Each half-hook portion 11 has a front projection 14 and a back projection 15 sequentially connected to the base of the suspension rod portion 13, which extends in the front-rear direction along the central fold line 12, via a notch 16 between projections, and a bent portion notch 17 is formed that crosses the central fold line 12. A protruding engaging portion 18 is formed on the edge of the front projection 14 that faces the notch 16 between projections near the tip. The joint between the suspension rod portion 13 and the front projection 14 is shaped like a reinforcing rib to increase load-bearing capacity.

[0022] The notch 17 in the bent portion is open without being closed at the rear end, and a bulge 17a is formed at the edge near the central fold line 12, which is in front of the open portion, extending further back than the rear edge of the notch 16 between the protruding pieces.

[0023] The tip of the suspension rod portion 13 of one half-hook portion 11 is provided with a retaining projection 19 that protrudes upward when attached to the base plate 2. The retaining projection 19 prevents the product suspended from the suspension rod portion 13 from falling off, and is provided only on one half-hook portion 11 in order to allow it to be inserted into the suspension hole of the product package, which is specified to be small in diameter.

[0024] In the pair of half-hook portions 11, the lengths of the surface projections 14 are different, and the distances from the center fold line 12 to the tip of each are different. That is, the distance a2 from the center fold line 12 to the tip of the surface projection 14 of one half-hook portion 11 is longer than the distance a1 from the center fold line 12 to the tip of the surface projection 14 of the other half-hook portion 11.

[0025] The distance b from the side edge of the bent portion cut 17 to the tip of the back projection 15 in the pair of half-hook portions 11 is equal, and the distance c from the side edge of the bent portion cut 17 to the bottom edge of the inter-projection cut 16 is also equal.

[0026] (Base plate) The base plate 2 shown in Figure 1 is also made of laminated cardboard, and has mounting holes 21 that are long horizontally and short vertically for attaching the paper hook 1. The base plate 2 shown in the illustration is for illustrative purposes and has only one mounting hole 21. In addition, string holes 2a are drilled at the upper ends on both sides of the base plate 2.

[0027] The upper opening edge of the mounting hole 21 is provided with a recessed portion 22 having a curved, arc-shaped edge with a large radius of curvature, and steps 23 are formed at both ends of the recessed portion 22. The lower opening edge of the mounting hole 21 is also provided with a recessed portion 24 having a curved, arc-shaped edge with a small radius of curvature, opposite to the recessed portion 22.

[0028] Then, two circular engagement holes 25 are drilled above the mounting hole 21, and these two engagement holes 25 are positioned at different distances from the mounting hole 21.

[0029] The lateral length d of the mounting hole 21 is shorter than the distance a2 from the center fold line 12 of the paper hook 1 to the tip of the front projection 14, and longer than the distance b from the side edge of the bent portion cutout 17 to the tip of the back projection 15. The distance e between the arc-shaped edges of the recessed portions 22 and 24 is slightly longer than the distance c between the side edge of the bent portion cutout 17 and the bottom edge of the projection notch 16.

[0030] The steps 23 at both ends of the recessed portion 22 and the two engagement holes 25 are positioned such that when the paper hook 1 is inserted into the mounting hole 21 and rotated, as described later, and the half-hook portions 11 are opened into a V-shape, the opening angle θ is 22°.

[0031] Furthermore, if the opening angle θ of the half-hook portion 11 is too narrow, the strength against lateral impact forces when attached to the base plate 2 will be weakened. If it exceeds 22°, the suspension rod portion 13 will not be able to be inserted through the suspension hole of the product package. Therefore, an angle of 14° to 22° is recommended, and in this embodiment, it is set to 22° considering the strength of the laminated paper material, etc.

[0032] (Attaching paper hooks to the base plate) To attach the paper hook 1 to the base plate 2, as shown in Figure 2, lay the paper hook 1 on its side with the half-hook portion 11 folded along the center fold line 12, insert the back projection 15 of the base of the paper hook 1 into the mounting hole 21 from the front side of the base plate 2, and align the notch 16 between the projections and the notch 17 in the folded portion with the position of the mounting hole 21 on the base plate 2.

[0033] At this time, the longer front projection 14 overlaps the shorter front projection 14 and is tilted toward the engagement hole 25, which is closer to the mounting hole 21. Then, the paper hook 1 is moved horizontally so that the base plate 2 enters the notch 16 between the projections, and the portion between the notch 16 between the projections and the bottom of the notch 17 of the bent portion is positioned between the recessed portions 22 and 24 of the mounting hole 21.

[0034] Next, as shown in Figure 3, the paper hook 1 is rotated vertically so that the front projection 14 and the back projection 15 face upward. As a result, the bottom edges of the notches 16 between the projections and the notches 17 in the bent portion slide against the curved edges of the recessed portions 22 and 24, and the engaging portion 18 of the short front projection 14 engages with the engaging hole 25 that is close to the mounting hole 21.

[0035] In this case, since the engaging portion 18 is protruding, it catches on the engaging hole 25 and engages securely. If workability is prioritized, the front edge of the surface projection 14 may be made into the engaging portion 18, so that as the paper hook 1 rotates, the engaging portion 18 slides smoothly into the engaging hole 25 and engages.

[0036] Subsequently, by placing a finger on the tip of the long front projection 14, the half-hook portion 11 is rotated in a direction that opens only that half-hook portion 11 from the other half-hook portion 11, as shown in Figures 4 and 5. As a result, the engaging portion 18 of the long front projection 14 engages with the engaging hole 25 that is farther from the mounting hole 21, and the edges of both half-hook portions 11 facing the bottom of the notch 16 between the projections come into contact with the steps 23 at both ends of the recessed portion 22, thereby restricting the opening angle of the V-shaped half-hook portions 11 to a predetermined angle.

[0037] When the paper hook 1 is attached to the base plate 2 in this manner, the base plate 2 is sandwiched between the front projection 14 and the back projection 15, and the edges of the inter-projection notch 16 and the bend notch 17 come into contact with the surface or back surface of the base plate 2, thereby suppressing vertical and horizontal swinging of the paper hook 1 relative to the base plate 2, and firmly fixing the paper hook 1 to the base plate 2. In particular, the bulge 17a at the edge of the bend notch 17 contributes to preventing the paper hook 1 from wobbling. If the bulge 17a is made to protrude significantly, the bulge 17a presses against the base plate 2, improving the effect of preventing the paper hook 1 from wobbling.

[0038] (Hanging fixtures) As shown in Figure 6, in an actual hanging display unit, multiple mounting holes 21 are drilled in the base plate 2, and paper hooks 1 are inserted into each mounting hole 21 and secured. The unit is then suspended from shelves in the store by hanging strings 3 that are passed through string holes 2a at the top of both sides of the base plate 2, allowing for the display of a large number of products.

[0039] In the hanging fixture in which the paper hook 1 is attached to the base plate 2 as described above, the hanging rod portion 13 of the paper hook 1 is tilted slightly upward from the base to the tip, and when a product is hung from the hanging rod portion 13, the presence of the retaining projection 19 makes it difficult for the product to fall from the hanging rod portion 13.

[0040] Furthermore, after the product display period in stores has ended, the hanging fixture can be disposed of as is without separating the paper hook 1 and the base plate 2, thus eliminating the need for sorting work and reducing the environmental burden associated with incineration, etc.

[0041] (Other forms of engagement holes in the base plate) The shape of the engagement hole 25 in the base plate 2 may be circular as described above, or it may be triangular as shown in Figure 7(a), or quadrilateral as shown in Figure 7(b). It may also be an H-shaped notch as shown in Figure 7(c). In this case, no punching waste is generated during the manufacturing of the base plate 2 by punching.

[0042] < reference Form> Figures 8 to 15 illustrate the present invention. Although not an embodiment, for reference The paper hook 1 and base plate 2 in their respective forms are shown. Here, we will mainly explain the differences from the first embodiment described above.

[0043] (Paper hook) The paper hook 1 shown in Figure 8 is symmetrical, and the front projection 14 and back projection 15 of both half-hook portions 11 are slightly inclined forward from the middle fold line 12 side towards the tip side. The folding portion notch 17 is closed off at the rear end of the half-hook portion 11, forming a slit similar to the notch between projections 16, and the folding portion notch 17 is located on the extension of the notch between projections 16.

[0044] (Base plate) The base plate 2 shown in Figure 8 has a shape in which the lower opening edge of the mounting hole 21 is cut diagonally downward from both ends to both sides of the center, and a semicircular tongue piece 26 is provided protruding from the lower opening edge opposite the recessed portion 22 of the upper opening edge.

[0045] (Attaching paper hooks to the base plate) To attach the paper hook 1 to the base plate 2, as shown in Figure 9, lay the paper hook 1 on its side with the half-hook portion 11 folded along the center fold line 12, insert the back projection 15 of the base of the paper hook 1 into the mounting hole 21 from the front side of the base plate 2, and align the notch 16 between the projections and the notch 17 in the folded portion with the position of the mounting hole 21 on the base plate 2.

[0046] Next, as shown in Figure 10, the paper hook 1 is rotated vertically so that the front projection 14 and the back projection 15 face upward. As a result, the bottom edge of the notch 16 between the projections slides against the curved edge of the recessed portion 22, and the bottom edge of the notch 17 in the bent portion slides against the edge of the bulging tongue 26, so that the paper hook 1 stands upright.

[0047] Next, as shown in Figure 11, when the half-hook portions 11 are opened around the central fold line 12 to form a V-shape, the base plate 2 is sandwiched between the front projection 14 and the back projection 15, and the edges of the notches 16 between the projections and the notches 17 in the bent portion come into contact with the front or back surface of the base plate 2, thereby suppressing the vertical and horizontal swinging of the paper hook 1 relative to the base plate 2, and fixing the paper hook 1 to the base plate 2.

[0048] (Other forms of paper hooks and base plates) The paper hook 1 shown in Figure 12 has a front projection 14 and back projection 15 of one half-hook portion 11 that are longer than the front projection 14 and back projection 15 of the other half-hook portion 11, and the front and rear edges of the slit-shaped bent portion cut 17 are shifted backward from the extension lines of the front and rear edges of the cut 16 between the projections.

[0049] The mounting holes 21 of the base plate 2 are shaped to be longer in the horizontal direction than in the vertical direction, and a low tongue-shaped piece 26 is provided protruding from the lower opening edge of the mounting holes 21. In addition, a recessed portion 24 with a curved, arc-shaped edge is provided in the center of the tip of the tongue-shaped piece 26.

[0050] When attaching such a paper hook 1 to the base plate 2, you can place your finger on the tip of the long projection 14 and rotate it so that one half-hook portion 11 can be easily opened from the other half-hook portion 11, as shown in Figure 13.

[0051] When the paper hook 1 is attached to the base plate 2, the notch 17 in the bent portion fits into the recess 24, stabilizing the opening angle between the half-hook portions 11. In addition, the misalignment between the notch 16 between the protruding pieces and the notch 17 in the bent portion causes the front edge of the notch 17 to strongly contact the surface of the base plate 2, acting as a force that pushes the tip of the suspension rod portion 13 upwards and suppressing downward swinging, thereby suppressing vertical wobbling of the paper hook 1 relative to the base plate 2.

[0052] (Other forms of paper hooks) In the paper hook 1 shown in Figure 14, the folded portion notch 17 is closed at the rear end of the half-hook portion 11 to form a slit, and a bulge 17a is formed at the edge near the central fold line 12, which is in front of the folded portion notch 17, extending further back than the rear edge of the inter-projection notch 16.

[0053] When such a paper hook 1 is attached to the base plate 2, the bulging portion 17a at the edge of the bent portion cutout 17 strongly contacts the surface of the base plate 2 below the mounting hole 21. This applies a force that pushes the tip of the suspension rod portion 13 upwards, and also suppresses downward swinging, thereby suppressing vertical wobbling of the paper hook 1 relative to the base plate 2.

[0054] The paper hook 1 shown in Figure 15 has an open portion at the rear end of the bent portion cut 17, and a bulge 17a is formed at the edge near the central fold line 12, which is in front of the open portion, extending further back than the rear edge of the inter-projection cut 16.

[0055] In this type of paper hook 1, when the laminated paper material is die-cut, the inner part of the bent portion cut 17 is removed along with the surrounding part that becomes die-cut waste. As a result, it does not remain attached to the part that becomes the paper hook 1, which reduces the likelihood of defective products and prevents the scattering of fine die-cut waste.

[0056] < 2nd Embodiments > Figures 16 to 17 illustrate the present invention. 2nd The paper hook 1 and base plate 2 according to this embodiment are shown. This embodiment has a configuration that is an inversion of the first embodiment described above.

[0057] As shown in Figure 16, in this paper hook 1, instead of the front projection 14, the lengths of the front projection 14 and the back projection 15 differ between one half-hook portion 11 and the other half-hook portion 11, and each half-hook portion 11 has an engaging portion 18 that protrudes from the edge facing the notch 16 between the projections near the tip.

[0058] In the base plate 2, two circular engagement holes 25 are drilled below the mounting hole 21, and these two engagement holes 25 are positioned at different distances from the mounting hole 21.

[0059] As shown in Figure 17, when attaching the paper hook 1 to the base plate 2, the paper hook 1 inserted into the mounting hole 21 of the base plate 2 is rotated vertically so that the front projection 14 and back projection 15 face downwards. As it rotates, the engaging portion 18 of the back projection 15 of the half-hook portion 11 engages sequentially with the two engaging holes 25, causing the half-hook portions 11 to open into an inverted V shape with the gap widening downwards from the center fold line 12.

[0060] Even when the paper hook 1 is attached to the base plate 2 in this manner, the base plate 2 is sandwiched between the front projection 14 and the back projection 15, and the edges of the inter-projection notch 16 and the bent portion notch 17 come into contact with the surface or back surface of the base plate 2, thereby suppressing vertical and horizontal swinging of the paper hook 1 relative to the base plate 2, and the paper hook 1 is firmly fixed to the base plate 2, allowing a large number of product packages to be hung and displayed from the suspension rod portion 13.

[0061] Furthermore, after the product display period in stores has ended, the hanging fixture can be disposed of as is without separating the paper hook 1 and the base plate 2, thus eliminating the need for sorting work and reducing the environmental burden associated with incineration, etc. [Explanation of Symbols]

[0062] 1. Paper hook 2 base plates 2a String hole 3 Hanging cord 11 Half hook section 12. Center line 13. Suspension rod section 14 Front projection piece 15 Back projection 16. Cuts between protruding pieces 17 Bend part notch 17a Bulge 18 Engaging part 19 Retaining projection 21 mounting holes 22 Recessed part 23 steps 24 Recessed part 25 Engagement holes 26 Tongue piece

Claims

1. In a mounting structure for attaching and fixing a paper hook (1) to a base plate (2), The aforementioned paper hook (1) has a pair of half-hook portions (11) connected via a central fold line (12), and each half-hook portion (11) has a front projection (14) and a back projection (15) sequentially attached to the base of a suspension rod portion (13) that extends along the central fold line (12) via a notch (16) between the projections, and a notch (17) is formed in the folded portion that crosses the central fold line (12). The base plate (2) has a mounting hole (21) that is longer in the horizontal direction than in the vertical direction, and two engagement holes (25) are drilled vertically away from the mounting hole (21). The tip of the front projection (14) or back projection (15) of the paper hook (1) has an engaging portion (18) that protrudes from the edge facing the notch (16) between the projections. The paper hook (1) is laid on its side with the half-hook portion (11) folded along the center fold line (12), the base of the paper hook (1) is inserted into the mounting hole (21) from the surface side of the base plate (2), the notches between the protruding pieces (16) and the notches in the bent portion (17) are aligned with the mounting hole (21) of the base plate (2), and the paper hook (1) is rotated vertically, opening the half-hook portions (11) together around the center fold line (12), which causes the edges of the front protruding piece (14) or back protruding piece (15) to engage. A mounting structure for a paper hook in which the joining portion (18) engages with the two engagement holes (25), thereby restricting the opening angle between the half-hook portions (11) to a predetermined angle, the base plate (2) is sandwiched between the front projection (14) and the back projection (15), the edges of the inter-projection notch (16) and the bent portion notch (17) abut against the surface or back surface of the base plate (2), thereby suppressing vertical and horizontal swinging of the paper hook (1) relative to the base plate (2), and fixing the paper hook (1) to the base plate (2).

2. The mounting hole (21) of the base plate (2) is provided with a recessed portion (22) on the opening edge that extends laterally, and steps (23) are formed at both ends of the recessed portion (22). The mounting structure for a paper hook according to claim 1, characterized in that when the base of the paper hook (1) is inserted into the mounting hole (21) and the half-hook portions (11) are opened together around the center fold line (12), the half-hook portions (11) come into contact with the steps (23) at both ends of the recessed portion (22), and this contact and the engagement between the engaging portion (18) and the two engaging holes (25) restrict the opening angle of the half-hook portions (11) to a predetermined angle.

3. The two engagement holes (25) of the base plate (2) are located at different distances from the mounting hole (21). In the half-hook portion (11) of the paper hook (1), the lengths of the front projection (14) or back projection (15) having the engagement portion (18) are different, and the distance from the middle fold line (12) to the tip of each is offset. The mounting structure for a paper hook according to claim 1, characterized in that, as the paper hook (1) rotates, the engaging portion (18) of the front projection (14) or back projection (15) of the half-hook portion (11) sequentially engages with the two engaging holes (25).

4. The mounting structure for a paper hook according to any one of claims 1 to 3, characterized in that the notch (17) in the bent portion of the paper hook (1) is open at the rear end.

5. The mounting structure for a paper hook according to any one of claims 1 to 3, characterized in that the paper hook (1) inserted into the mounting hole (21) of the base plate (2) opens in a V-shape, with the half-hook portions (11) opening up from the center fold line (12) with increasing spacing.

6. The mounting structure for a paper hook according to any one of claims 1 to 3, characterized in that the paper hook (1) inserted into the mounting hole (21) of the base plate (2) opens in an inverted V shape, with the half-hook portions (11) spreading out downward from the middle fold line (12).

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