Article sample mounting structure

Abstract

To enable quick and easy attachment and detachment of a sheet holder to / from mounting holes on a stage.SOLUTION: In an article sample consisting of an article display sheet and a sheet holder 13 that holds the sheet so as to be replaceable, the sheet holder 13 forms a support plate portion 31 that is placed on a stage and a holding portion 32 that holds the article display sheet on top thereof. The support plate portion 31 has a circular shape along the edge of a mounting hole when viewed from above, and is formed into a shape with a notch at a position corresponding to the rear of the mounting hole. On the lower surface of the inner peripheral edge of the support plate portion 31, a downwardly projecting drop wall 33 is formed, and on the lower part of the outer peripheral surface of the drop wall 33 corresponding to the rear of the mounting hole, a rear end protrusion 35 capable of being hooked under the edge of the mounting hole is formed. Furthermore, a locking claw 36 is formed at the portion corresponding to the front end of the mounting hole on the lower surface of the support plate portion 31, which can be locked from above under the edge of the mounting hole.SELECTED DRAWING: Figure 4

Description

[Technical Field]

[0001] The present invention relates to a product sample mounting structure such as is used in a beverage vending machine. [Background technology]

[0002] Some product samples are composed of a sheet-like product display sheet that displays the product and a sheet holder that holds the product display sheet in an exchangeable manner. In the past, product samples were nearly cylindrical in shape, and as disclosed in Patent Document 1 below, the product display sheet was structured to be attached and detached from the back side of the sheet holder. However, in recent years, as shown in Patent Documents 2 to 5 below, product samples have come to be structured in a flat shape with a thickness in the front-to-back direction that is less than a semi-cylinder, and at the same time, the product display sheet is structured to be attached and detached from the front side of the sheet holder.

[0003] Since the product display sheet can now be attached and detached from the front, there is no longer a need to remove the sheet holder from the stage each time the product display sheet is replaced, which means that product samples can be updated in a short amount of time when products are changed.

[0004] In contrast, the principle of the mounting structure of the seat holder to the stage has remained fundamentally unchanged up to now: during installation, part of the seat holder must be manually deformed to fit into the mounting hole, and during removal, it must also be manually deformed to remove it from the mounting hole.

[0005] For example, the product sample in Patent Document 1 has a flange with an L-shaped vertical cross section formed on the underside of the bottom frame that forms the lower end of the seat holder. When installing, the left and right ends of the lower part of the seat holder are pinched and bent inward, and after inserting it into the mounting hole, the pressure is released, and the vertical and horizontal parts of the flange engage with the edge of the mounting hole. When removing, the procedure is reversed from installation, i.e., the lower part of the seat holder is pinched and bent and then removed.

[0006] The product sample in Patent Document 2 has a structure in which an elastic member is interposed between a front body having a structure for engaging the front portion of the mounting hole and a rear body having a structure for engaging the rear portion of the mounting hole. The elastic member has a knob that stands upright in an inverted U shape when viewed from the side. When installing, the knob is pinched to move the front body and rear body closer to each other. When removing, the knob is pinched to move the front body and rear body closer to each other.

[0007] The product sample of Patent Document 3, like the product sample of Patent Document 2, has a seat holder with a support portion that is provided in the front-to-rear direction and elastically deforms. Unlike the seat holder of Patent Document 2, this seat holder does not require pinching and deforming the support portion. However, it is similar in that it is intentionally deformed. That is, the seat holder is pushed rearward to elastically deform the support portion. In the elastically deformed state, the front of the seat holder is lowered so that the claw formed on the front end is positioned below the mounting hole, and then the claw is engaged in the mounting hole by relying on the biasing force of the support portion. When removing the seat holder from the mounting hole, the seat holder must be pushed rearward to elastically deform the support portion, just as when installing it, and then removed from the mounting hole while maintaining that state.

[0008] The product sample in Patent Document 4, like the product sample in Patent Document 1, is designed to be pinched left and right to deform, but is provided with a pair of operating members for deforming. The operating members are formed on the inside of the bottom of the seat holder in the left-right direction, and are configured so that they can be pinched with two fingers.

[0009] The product sample in Patent Document 5, like the product sample in Patent Document 1, has a structure that can be deformed by pinching it from the left and right, and has an inverted U-shaped elastic piece at the bottom end of the seat holder that connects both the left and right sides. The operation for attaching and detaching it to the mounting hole is the same as the product sample in Patent Document 1.

[0010] As described above, the mounting structure of the seat holder in the mounting hole required the elastically deformable portion of the seat holder at or near the bottom end of the seat holder to be actively deformed when attaching or detaching. Furthermore, the removal operation from the mounting hole was the reverse of the installation operation, requiring the seat holder to be pulled upward while maintaining the elastically deformed state. In other words, when installing, a portion of the seat holder is deformed, inserted into the mounting hole from above, and then restored to its original shape by the biasing force. When removing, the seat holder is deformed in the same way as when installing, released from the lock, and then pulled upward. Therefore, installation and detachment required pinching or pushing against the biasing force, which sometimes prevented the seat holder from being quickly installed. [Prior art documents] [Patent documents]

[0011] [Patent Document 1] Registered Utility Model No. 3107660 [Patent Document 2] Patent No. 7021810 [Patent Document 3] Patent Publication No. 2021-135751 [Patent Document 4] Japanese Patent Publication No. 2022-189276 [Patent Document 5] Japanese Patent Application Publication No. 2023-158471 Summary of the Invention [Problem to be solved by the invention]

[0012] A main object of the present invention is to make it possible to easily and quickly perform the work of attaching and detaching to and from the mounting hole. [Means for solving the problem]

[0013] To this end, the present invention provides the following product sample mounting structure.

[0014] Specifically, this product sample mounting structure detachably mounts a product sample, which includes a sheet-like product display sheet for displaying products and a sheet holder for interchangeably holding the product display sheet, in a mounting hole in a stage. The product sample sheet holder includes a support plate portion placed on the stage and a holding portion that rises from the upper surface of the support plate portion and holds the product display sheet. The support plate portion has a ring shape that conforms to the edge of the mounting hole in a plan view and is formed with a notch at a position corresponding to the rear of the mounting hole. A downwardly protruding hanging wall is formed on the underside of the inner peripheral edge of the support plate portion, and a rear-end convex portion is formed at the lower part of the outer peripheral surface of the hanging wall at a portion corresponding to the rear of the mounting hole, which can be hooked under the edge of the mounting hole. Furthermore, a locking claw is formed at a position corresponding to the front end of the mounting hole on the underside of the support plate portion that locks under the edge of the mounting hole from above.

[0015] With this configuration, when attaching the sheet holder to the mounting hole of the stage, the rear end of the support plate is tilted downward and inserted into the rear of the mounting hole, and then the front end of the support plate is pressed downward. In other words, the rear end protrusion of the rear end hooks under the edge of the mounting hole, regulating its position. When the front end of the support plate is pressed down from this state, the locking claw locks into the edge of the mounting hole. The locking claw cooperates with the rear end protrusion to prevent it from falling out of the mounting hole, and the hanging wall having the rear end protrusion faces the edge of the mounting hole to regulate its position. The ring-shaped support plate with a notch makes the rear end of the support plate more susceptible to deformation. The product display sheet is held in a holder formed above the support plate.

[0016] To remove the sheet holder from the stage, tilt the sheet holder forward. The rear end of the support plate deforms, causing the rear end protrusion to disengage from the edge of the mounting hole. The natural movement following the forward tilt causes the locking claw to disengage from the edge of the mounting hole, and the sheet holder is released from the mounting hole. The sheet holder can be tilted even while it is still holding the product display sheet. [Effects of the Invention]

[0017] According to this invention, the rear end of the support plate is first hooked into the mounting hole using the rear end protrusion, and then the front end is pushed down to complete the mounting operation, and the mounting state is released by tilting the support plate forward. Therefore, there is no need to actively deform the plate by hand when mounting or dismounting, and mounting and dismounting can be done easily and quickly.

[0018] Furthermore, this type of attachment / detachment operation is very similar in direction to the natural attachment / detachment operation of placing the stage from the front, holding it, and then tilting it forward to separate it. This, combined with the fact that there is no need to deform it by hand when attaching or detaching, makes it easy to work with and allows for quick and easy attachment / detachment.

[0019] Furthermore, removal from the mounting hole can be done in the same way regardless of whether or not the product display sheet is attached, making it easy to use.

[0020] The rear end protrusion and the locking claw maintain the locked state in the mounting hole, and the hanging wall with the rear end protrusion regulates the position in the locked state, so a secure fixed state is obtained that will not come off unexpectedly. Moreover, since tilting forward to remove the unit is a movement that does not occur under normal use conditions, the attached state is maintained well. [Brief explanation of the drawings]

[0021] [Figure 1] FIG. 1 is a perspective view showing an overview of a product sample. [Figure 2] FIG. 10 is a longitudinal cross-sectional view of a product sample in a fixed state. [Figure 3] FIG. [Figure 4] FIG. [Figure 5] Rear view of the seat holder. [Figure 6] FIG. [Figure 7] FIG. [Figure 8] Enlarged plan view of the mounting hole. [Figure 9] FIG. [Figure 10]FIG. [Figure 11] FIG. [Figure 12] FIG. [Figure 13] FIG. 10 is a cross-sectional view showing an example of an operation during installation. [Figure 14] FIG. DETAILED DESCRIPTION OF THE INVENTION

[0022] An embodiment of the present invention will be described below with reference to the drawings.

[0023] Figure 1 shows a perspective view of a product sample 11. As can be seen in this figure, the product sample 11 in this example is displayed in the display room of a beverage vending machine. It consists of a sheet-like product display sheet 12 that displays the product and a sheet holder 13 that holds the product display sheet 12 in an exchangeable manner.

[0024] The product display sheet 12 is made of a flexible synthetic resin sheet and is basically rectangular. That is, it has a left side 21 and a right side 22 that extend parallel to the vertical direction, and a bottom side 23 that extends perpendicular to both the left and right sides at the bottom end. Particularly, a portion for the purpose of appealing to the customer may be formed on the top, etc. Although product display is not shown in the figure, it is formed appropriately by printing or the like.

[0025] The sheet holder 13 consists of a single member made of a transparent synthetic resin that transmits light, and is detachably attached to a stage 71 in the exhibition room. It comprises a support plate portion 31 that is placed on the stage 71, and a holding portion 32 that stands up from the upper surface of the support plate portion 31 and holds the product display sheet 12. The upper surface of the stage 71 in the illustrated example is horizontal, and as shown in Figure 2, which is a cross-sectional view of the attached state, the holding portion 32 stands up perpendicular to the upper surface of the support plate portion 31. The width of the holding portion 32 is formed slightly narrower than the width of the product display sheet 12, i.e., the length between the left side 21 and the right side 22, so that it can hold the product display sheet 12 in a curved state that protrudes forward (towards the front).

[0026] Fig. 3 is a perspective view showing the front, left side, and plan of seat holder 13, Fig. 4 is a perspective view showing the back, right side, and bottom, and Figs. 5, 6, and 7 are a back view, left side view, and bottom view, respectively. As shown in these figures, support plate portion 31 has a roughly C-shape in plan view with a portion of a circle cut out, and holding portion 32 has a vertical rectangular frame shape.

[0027] Here, a brief description will be given of the mounting holes 72 formed in the stage 71. The mounting holes 72 are existing holes, and a plurality of them are arranged along the longitudinal direction in the middle of the elongated stage 71 made of thin sheet metal in the front-to-rear direction (the front-to-rear direction; hereinafter, the terms "front" and "back" will also be used to refer to these directions). As shown in Figures 1 and 8 (the lower side of the drawing is the front side of the stage, and the upper side of the drawing is the rear side of the stage), the mounting holes 72 are generally circular in plan view, and roughly square recesses 73 are formed in opposing left and right portions of the generally circular hole edge. The mounting holes 72 may also have another notch 74 formed therein, as shown by the imaginary line in Figure 8.

[0028] The support plate 31 fixed to such a mounting hole 72 has a ring shape that follows the edge of the mounting hole 72 in plan view, and is formed with a notch behind the mounting hole 72, that is, in a position corresponding to the back side of the stage. Because the mounting hole 72 is circular, the support plate 31 has a ring shape in plan view with a portion of the rear end side cut out. The thickness of the support plate 31 is such that it can be displaced due to the elasticity of the material, and the radial width w of the support plate 31 (see FIG. 7) is long enough to support the holder 32.

[0029] A downwardly protruding hanging wall 33 is formed on the lower surface of the inner peripheral edge of the support plate portion 31. The length of the hanging wall 33 is longer than the thickness of the stage 71, and is a length that allows the lower end of the hanging wall 33 to protrude below the mounting hole 72. The hanging walls 33 are formed in areas excluding the center of the front end, so there are a pair of hanging walls 33 on the left and right. Anti-rotation portions 34 of a size that fit into the recesses 73 and prevent rotation are formed on the pair of left and right hanging walls 33 in portions that correspond to the recesses 73 of the mounting hole 72.

[0030] A rear end protrusion 35 capable of being hooked under the edge of mounting hole 72 is formed on the lower part of the outer peripheral surface of the portion of hanging wall 33 corresponding to the rear of mounting hole 72. The specific position at which rear end protrusion 35 is formed is close to the rear end of hanging wall 33, and is a position at which rear end protrusion 35 can be easily hooked when support plate portion 31 is lowered obliquely toward mounting hole 72 and hanging wall 33 is inserted into the back side portion of mounting hole 72.

[0031] In a portion of the underside of the support plate portion 31 corresponding to the front end of the mounting hole 72, i.e., in a portion between the hanging walls 33 where no hanging wall 33 is formed, a locking claw 36 is formed to lock from above under the edge of the mounting hole 72. The locking claw 36 is formed with a gap between it and the hanging wall 33, and has a claw 36a at its lower end that protrudes in the outer circumferential direction as shown in FIG.

[0032] As shown in Figure 4, a flat chamfered portion 37 is formed along almost the entire lower edge of the support plate portion 31, and similarly, a flat chamfered portion 38 is formed on the outer periphery of the lower end of the hanging wall 33.

[0033] On the other hand, the upper surface of the support plate portion 31 having the lower surface configured in this manner has an upwardly rising piece 39 at its front end corresponding to the locking claw 36, as shown in Figures 3 and 9. The rising piece 39 is formed at the tip of a protruding portion 41 that protrudes horizontally forward in relation to the radial width w of the support plate portion 31, and is formed in the shape of an arc in plan view that is concentric with the circle that forms the outer periphery of the support plate portion 31. The position at which the rising piece 39 is formed is a position that restricts the lower end of the product display sheet 12 held by the holding portion 32, and it is formed to the height necessary for such restriction. If the radial width w of the support plate portion 31 is long, the protruding portion as shown in the illustrated example may not be necessary.

[0034] The holding portion 32 erected on the upper surface of the support plate portion 31 is formed forward of the center point of the support plate portion 31 and rearward of the protruding portion 41. In the illustrated example, the width of the holding portion 32 is longer than the outer diameter of the support plate portion 31, and therefore the holding portion 32 is formed in a manner that protrudes beyond the support plate portion 31 on both the left and right sides.

[0035] A pair of support pillars 43 are formed on both the left and right sides of the holding portion 32, and these support pillars 43 are connected by three connecting portions 44, 45, and 46 at the top, middle, and bottom, giving the entire holding portion 32 a rectangular frame shape.

[0036] The support pillar 43 has a rear plate 47 located on the rear surface, side plate portions 48 protruding forward from the side surfaces, and a restricting piece 49 inclined inward in the left-right direction from the front end of the side plate portion 48. As shown in the cross-sectional view of FIG. 10, the rear plate portion 47 is slightly curved convexly toward the rear surface in a plan view when viewed as a pair of left and right plates, while the side plate portion 48 is entirely flat. These components form the base of the support pillar 43 and constitute the upper and lower ends of the holding portion 32, while the restricting piece 49 is formed in the vertical middle portion. In FIG. 10, (a) is a cross-sectional view taken along line AA in FIG. 5, (b) is a cross-sectional view taken along line BB, and (c) is a cross-sectional view taken along line CC. Note that these cross-sectional views are drawn with the front of the seat holder 13 facing downward in the drawing.

[0037] The restricting piece 49 restricts the left and right side edges of the product display sheet 12 being held, i.e., the areas close to the left side 21 and right side 22, and is formed as a single piece continuously in the middle part excluding the upper and lower ends of the holding part 32. The restricting piece 49 is shaped to be elongated with a constant width, and the angle of inclination is set so that the product display sheet 12 can be held in a natural manner with a bulging forward.

[0038] In the support column 43 having such a rear plate portion 47, side plate portions 48, and restriction piece 49, the rear plate portion 47 and the restriction piece 49 overlap in the front-to-rear direction. This makes the mold for molding complex, so in addition to forming the restriction piece 49 in the middle portion in the up-down direction as described above, a window portion 47a is formed in the rear plate portion 47 to expose the restriction piece 49 in rear view (see FIG. 5). The window portion 47a is formed over the entire area corresponding to the restriction piece 49, and has a vertically elongated shape.

[0039] Although the formation of the window portion 47a creates a relatively long space, the three connecting portions 44, 45, and 46 support the support portion 43 to maintain the overall shape. The connecting portions 44, 45, and 46 are formed by extending the curved shape of the back plate portion 47, and the middle portions in the left-right direction are formed linearly in the left-right direction in a plan view. In addition, the middle connecting portion 45 in the up-down direction has a middle step portion 45a in the left-right direction that protrudes with a step toward the back side.

[0040] The small square notch formed on the top of the side panel portion 48 is a preliminarily formed recess 48a, which is used, for example, to engage a part of the product display sheet 12 or another component (not shown) that is held together with the product display sheet.

[0041] In the seat holder 13 configured as described above, as shown by the arrows in Figure 11, the free ends of the support plate portions 31, i.e., the rear end portions, can be displaced both vertically and horizontally, although not as much as in the case where spring properties are imparted.

[0042] In the product sample 11 configured as described above, the sheet holder 13 and the product display sheet 12 are basically handled separately, and as shown in Figure 1, the product display sheet 12 is attached to the sheet holder 13 held on the stage 71.

[0043] 12 is a cross-sectional view showing a plan view of the seat holder 13 attached to the mounting hole 72 of the stage 71. That is, the support plate 31 of the seat holder 13 is placed on the stage 71, and the hanging wall 33 on the lower surface, together with the anti-rotation portion 34, fits into the edge of the mounting hole 72, and this state is maintained by the rear end protrusion 35 and the locking claw 36. In this attached state, the anti-rotation portion 34 prevents rotation and positions the seat holder 13 relative to the mounting hole 72, ensuring a firm positioning. Furthermore, the three portions arranged to lock onto the hole edge, namely the locking claws 36 and the rear end protrusion 35, are distributed in three directions, resulting in a well-balanced and stable fixed state.

[0044] The operation for achieving this mounting state is as shown in Figure 13. That is, while holding the sheet holder 13, move from the front side to the rear side of the stage 71, lower the rear end of the support plate 31, insert it into the mounting hole 72, and then release it and let it move naturally. This causes the support plate 31 to become approximately horizontal, and the locking claw 36 hooks onto the front edge of the mounting hole 72. In this state, if the tip of the support plate 31, i.e., the upright piece 39, is pressed down with a fingertip as indicated by arrow a, the locking claw 36 enters the mounting hole 72 and locks onto the edge of the hole. Although not shown, it is also possible to do the opposite and first lock the locking claw 36, and then press down on the rear end protrusion 35 to lock it. The easiest way to press down the rear end protrusion 35 is to press down the top end of the sheet holder 13 from above.

[0045] On the other hand, when removing the sheet holder 13 from the stage 71, as shown in FIG. 14, a force is applied to the sheet holder 13 standing upright on the stage 71 in a direction tilting it forward, as indicated by arrow b. To do this, for example, hook your fingertips on the upper end of the sheet holder 13. This raises the rear end of the support plate 31, and with this movement, the locking claws 36 also disengage from the hole edge, allowing the sheet holder 13 to be removed toward the front. This removal operation can be performed even when the product display sheet 12 is still held by the sheet holder 13. Therefore, if necessary, the sheet holder 13 can be removed together with the product display sheet 12, which also improves workability.

[0046] Although the seat holder 13 can be removed by tilting it forward, the force in this direction does not act on it during normal use on the stage, so the attached state is maintained firmly.

[0047] In this way, there is no need to deform the sheet holder 13 when attaching or removing it. Simply place the sheet holder 13 on the stage 71 from the front side and press it down (arrow a in FIG. 13), and to remove it, simply pull the sheet holder 13 toward you (arrow b in FIG. 14), and it can be removed in that direction. Unlike conventional methods, there is no need to insert the sheet holder 13 into the attachment hole 72 from above or pull it out upward, and it can be easily and quickly attached and removed even on a stage 71 with limited vertical space.

[0048] The product display sheet 12 can be attached and detached from the front side of the stage 71. That is, as shown in Fig. 1, when the product display sheet 12 is slightly bent so as to narrow its width and placed between the restricting pieces 49 of the sheet holder 13, the product display sheet 12, which attempts to restore its shape, is stretched within the holding portion 32 and held in the bent state. To remove the product display sheet 12, simply grab any part of the product display sheet 12 and pull it.

[0049] As described above, when using this product sample 11, the structure does not require any active deformation of the seat holder 13 when attaching or detaching the seat holder 13 to or from the mounting hole 72, so attachment and detachment can be performed easily and quickly. Moreover, since there is no need to move the seat holder 13 vertically when attaching or detaching, it is easy to attach or detach even in an exhibition room with limited vertical space.

[0050] Furthermore, a stable fixed state is obtained by the anti-rotation portion 34 and the rear end projections and locking claws arranged in three directions.

[0051] Furthermore, since the upright piece 39 is formed at the front end corresponding to the locking claw 36 on the upper surface of the support plate 31, it catches when pressed down during installation, making operation very easy and reliable. Moreover, the position of the upright piece 39 is a position that restricts the bottom end of the product display sheet 12, making it possible to simplify the structure.

[0052] Furthermore, since the restricting piece 49 of the holding portion 32 is formed in the vertical middle portion and the window portion 47a that exposes the restricting piece 49 in a rear view is formed in the back plate portion 47, the seat holder 13 can be easily manufactured without using a complex mold. Moreover, since only one restricting piece 49 is formed on one side, the window portion 47a is made large, and large spaces can be formed between the connecting portions 44, 45, and 46, the amount of material required for molding can be reduced. As a result, the seat holder 13 can be manufactured inexpensively and lightweight.

[0053] The above configuration is one embodiment for carrying out the present invention, and the present invention is not limited to the above configuration, and other configurations can be adopted.

[0054] For example, the upper surface of the stage 71 may not be horizontal but may be inclined so that the front side is downwards. In this case, the support plate part 31 will be inclined to match the stage, while the holding part 32 should stand up vertically.

[0055] The mounting holes of the stage 71 may have shapes other than circles, such as semicircular or trapezoidal.

[0056] The seat holder 3 may have a configuration in which a plurality of restricting pieces 49 are provided on each side, instead of one. [Explanation of symbols]

[0057] 11…Product sample 12...Product display sheet 13...Seat holder 31...Support plate part 32...Holding part 33... hanging wall 34...Anti-rotation part 35...Rear end convex part 36...Latching claw 39...standing piece 49...Regulation piece 47a...Window section 71...Stage 72...Mounting hole 73...Recess

Claims

1. A product sample mounting structure in which a product sample, which includes a sheet-like product display sheet for displaying a product and a sheet holder for replaceably holding the product display sheet as components, is detachably mounted to a mounting hole of a stage, The sheet holder includes a support plate portion placed on the stage and a holding portion that stands up from the upper surface of the support plate portion and holds the product display sheet; The support plate portion is formed in a ring shape that follows the edge of the mounting hole in a plan view and has a notch at a position corresponding to the rear of the mounting hole, A hanging wall that protrudes downward is formed on the lower surface of the inner peripheral edge of the support plate portion, a rear end protrusion that can be hooked under the edge of the mounting hole is formed on a lower portion of an outer peripheral surface of a portion of the hanging wall that corresponds to the rear of the mounting hole; A locking claw is formed on the underside of the support plate at a location corresponding to the front end of the mounting hole, which locks from above under the edge of the mounting hole. Product sample mounting structure.

2. The mounting hole is circular, and The hanging wall is formed with a rotation stopper that fits into a recess on the edge of the mounting hole to prevent rotation.

2. The trade sample mounting structure according to claim 1.

3. An upstanding piece that stands upward is formed at the front end of the upper surface of the support plate portion that corresponds to the locking claw.

3. The trade sample mounting structure according to claim 1 or 2.

4. The position where the standing piece is formed is a position that restricts the lower end of the held product display sheet.

4. The trade sample mounting structure according to claim 3.

5. Inwardly inclined restricting pieces are formed at the middle of the left and right sides of the holding portion in the vertical direction to restrict the left and right side edges of the held product display sheet, A window is formed on the rear surface of the retaining portion to expose the restriction piece when viewed from the rear.

3. The trade sample mounting structure according to claim 1 or 2.

6. The restricting piece is formed continuously in the middle part of the holding part excluding the upper and lower ends.

6. The trade sample mounting structure according to claim 5.

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