JP2003165290A - Clip for holding case of displaying card - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide the clip for holding the case of a displaying card, the installation and dismount of the case of the displaying card to and from which are easy, which has a comparatively flat and simple structure, which can be manufactured at a low cost and which does not develop so much troubles on cost even when being thrown-away. <P>SOLUTION: The clip for holding the case of the displaying card comprises a clip base part 2, a tongue piece 3 for hanging down the case of the displaying card therefrom, an intermediate U-shape piece 4 surrounding the tongue piece 3 without binding with the periphery of the tongue piece 3 and the exterior U-shape piece 5 surrounding the intermediate U-shape piece 4 without binding with the periphery of the intermediate U-shape piece 4 under the state that the tongue piece 3, the intermediate U-shape piece 4 and the exterior U-shape piece 5 are formed in the direction of the thickness of the clip on the outermost side, the intermediate position and the innermost side. Further, on the rear side surface near the lower tip of the tongue piece 3, a projecting part 6 for hanging down the case for the displaying card therefrom is provided. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a clip for holding a display card case such as a name tag or a company name tag, and more particularly, to clip the display card case by inserting it in a sheet-shaped portion such as a breast pocket. The present invention relates to a clip for holding a case for a display card that can be molded at one time with a relatively flat and simple structure that enables

[0002]

2. Description of the Related Art In recent years, at various exhibitions, trade fairs, academic societies, exhibitions, athletics, sports competitions such as competitions, and various other events, name plates for displaying the name and affiliation of the person in charge Various display cards are used, such as a display card for the name of the officer and the name of the officer, a card for displaying the name of the displayed item, a price, or a brief explanation of the name, and these display cards are usually used. Various clips have been proposed which are placed in a transparent flat case into which the card can be inserted, and which fix the display card case by pinching it in a chest pocket or another appropriate portion.

[0003]

[Problems to be Solved by the Invention]
As a conventional holding clip for a display card case, for example, a clip 8 having a shape shown in FIGS. 1 and 2 of JP-A-7-3200012 is usually made of metal and has a slightly complicated structure. However, it cannot be said that it is a clip that can be molded at once, and a process of assembling molded parts is required. Therefore, the cost becomes high, and it is difficult to dispose of it.

In recent years, not only the organizers of academic societies and other events, but also those who participate as participants in academic societies and other events, in order to organize the participants and facilitate mutual exchange, names, affiliations, etc. Display cards that display such as are also used, and normally, the display card given to people who participate as such customers, its case, the case holding clip, etc. may be discarded without being collected. Many.

Therefore, in order to reduce the cost, it is aimed to manufacture the case holding clips entirely from plastic. For example, in the case of a clothespin type spring, the spring is also plastic. When molded, depending on the type of plastic, it does not show sufficient spring elasticity, and once it is opened there is almost no pinching force, and there is a problem that the function as a case holding clip deteriorates. is there. In particular, for disposable use, it is preferable to use biodegradable biopolymer as a plastic that has little impact on environmental pollution and environmental destruction, but in the case of a clothespin-like clip in which a spring is also formed from biodegradable biopolymer. Has a problem that the above-mentioned drawbacks are likely to occur.

In view of the above problems, the present invention can be used as a raw material including not only biodegradable biopolymers but also various other conventional plastics. Even if biodegradable biopolymers are used, they can be used as described above. It is a relatively flat and simple structure that does not cause problems like the clothespin type of
An object of the present invention is to provide a clip for holding a display card case, which can be easily attached to and detached from the clip of the display card case, and can be manufactured at low cost. .

[0007]

In order to solve the above-mentioned problems, a holding clip for a display card case of the present invention comprises:
It is the next one.

(1) A clip made of plastic for suspending a display card case, the clip including a clip base portion forming an upper portion of the clip,
A tongue for suspending a display card case extending from a substantially central part in the left-right direction of the clip base toward the lower part of the clip, and a size surrounding the tongue, which is not connected to the periphery of the tongue. Is approximately U downward from the clip base.
The intermediate U-shaped piece formed in a U-shape and the periphery of the intermediate U-shaped piece are not joined, but have a size that surrounds the intermediate U-shaped piece and are substantially U-shaped downward from the clip base. And a tongue piece, an intermediate U-shaped piece, and an outer U-shaped piece, wherein the tongue piece is the most front side and the outer side is the outer U-shaped piece in the clip thickness direction. U
The letter-shaped piece is formed on the rearmost side, and the intermediate U-shaped piece is formed at a position in the middle thereof. The letter-shaped piece is fitted into the hanging hole of the display card case on the back side surface near the lower tip of the tongue piece. A clip for holding a display card case, characterized in that a protrusion for suspending the display card case is provided.

(2) In the above-mentioned clip for holding the display card case of the present invention, the projection for suspending the display card case has a cross-sectional shape, and the lower side thereof gradually becomes thinner downward. It is preferable that the protrusion has a tapered portion.

(3) Further, in the above-mentioned clip for holding the display card case according to the present invention, the middle U-shaped piece U
The lateral plate, which is the part corresponding to the bottom of the letter, is on the back side.
The cross-sectional shape is preferably an intermediate U-shaped piece having a tapered portion whose thickness on the lower side is thin.

(4) Further, in the holding clip of the display card case according to the present invention, the external U-shaped piece U
The lateral plate, which is the part corresponding to the bottom of the letter, is on the front side,
In the cross-sectional shape, it is preferable that the outer U-shaped piece has a tapered portion having a thinner thickness on the lower side.

(5) Further, in the above-mentioned clip for holding the display card case of the present invention, the intermediate U-shaped piece U
It is preferable that a claw portion for preventing slip-up is provided on the back side surface of the lateral plate, which is a portion corresponding to the bottom of the letter.

(6) Further, in the holding clip of the display card case according to the present invention, a U-shaped piece of the outer U-shape is used.
It is preferable that a claw portion for preventing slip-up is provided on the front side surface of the lateral plate that is a portion corresponding to the bottom of the letter.

(7) Further, in the holding clip of the display card case of the present invention, it is preferable that the clip base portion is provided with a hole for passing a string for hanging the clip.

(8) Further, in the above-mentioned holding clip for the display card case of the present invention, it is preferable that the clip is made of a biodegradable polymer.

[0016]

BEST MODE FOR CARRYING OUT THE INVENTION In order to facilitate understanding of the present invention, an embodiment of a clip for holding a display card case of the present invention will be described below with reference to the drawings. Is not limited to only these embodiments.

FIG. 1 shows a clip for holding the display card case of the present invention (hereinafter sometimes simply referred to as a clip).
2 is a front view of the clip of FIG. 1, a rear view of the clip of FIG. 1, a rear view of the clip of FIG. 1, a right side view of the clip of FIG. 1, and a right side view of the clip of FIG. FIG. 5 is an enlarged view of part A, FIG. 5 is a partially enlarged perspective view of a tongue for suspending the display card case, and FIG. 6 is a partially enlarged right side view of the tongue for suspending the display card case (see FIG. 3). 7 corresponds to a partial enlarged view of only the A portion and the tongue piece of FIG. 4), and FIG. 7 is a partially enlarged right side view of the intermediate U-shaped piece (only of the A portion of FIG. 3 and the intermediate U-shaped piece of FIG. 4). 8 is a partially enlarged right side view of the external U-shaped piece (corresponding to a partially enlarged view of the portion A in FIG. 3 and the external U-shaped piece only in FIG. 4), FIG. 9 is an explanatory partial perspective view showing a state in which the protrusion of the tongue is fitted in the hanging hole of the display card case, and FIG. 10 is the hanging of the display card case. FIG. 11 is a front view showing a state in which the clip of the present invention is attached to the hanging hole, and FIG. 11 is a rear view showing a state in which the clip of the present invention is attached to the hanging hole of the display card case. It is the back view seen.

In these drawings, reference numeral 1 denotes a clip of the present invention, and the clip of this embodiment has a clip base portion 2 forming an upper portion of the clip and a clip lower portion from a substantially central portion in the left-right direction of the clip base portion 2. The tongue piece 3 for hanging the display card case extending toward the front and the periphery of the tongue piece 3 are connected to each other, but the size of the tongue piece 3 is large enough to surround the tongue piece 3 and extends downward from the clip base 2. The intermediate U-shaped piece 4 formed in a substantially U-shape and the periphery of the intermediate U-shaped piece 4 are not connected to each other, but have a size that surrounds the intermediate U-shaped piece 4 and downward from the clip base portion 2. And an external U-shaped piece 5 formed in a substantially U-shape toward the front.

As is apparent from FIGS. 3 and 4, the tongue piece 3, the intermediate U-shaped piece 4 and the outer U-shaped piece 5 are respectively the most front side of the tongue piece 3 in the clip thickness direction. The outer U-shaped piece 5 is formed on the rearmost side, and the intermediate U-shaped piece 4 is formed in the middle thereof.

On the back side surface near the lower tip of the tongue piece 3, there is provided a projection 6 which is fitted into the hanging hole 22 of the display card case and suspends the display card case.

Therefore, in FIGS. 3 and 4 (see FIGS. 9 to 1)
1), insert a display card case 20 in which a name tag or other display card 30 is inserted between the tongue piece 3 and the intermediate U-shaped piece 4 as shown by arrow B. The protrusion 6 for suspending the display card case can be fitted into the suspending hole 22 of the display card case 20 to mount the display card case. In the display card case 20, the protrusion 6 is fitted in the hole 22, and the intermediate U-shaped piece 4 is inserted.
Since it is sandwiched between the display card case 20 and the display card case 20, the display card case 20 does not easily fall off during mounting and use. When the display card case 20 is removed from the clip 1, it can be easily removed by spreading the space between the tongue piece 3 and the intermediate U-shaped piece 4 by hand.

Also, such a name tag and other display cards 30
When the clip to which the display card case 20 containing the is attached is attached to, for example, a chest pocket,
3 and 4, assuming that there is a pocket cloth for the chest pocket in the direction of arrow C, the pocket cloth may be sandwiched between the intermediate U-shaped piece 4 and the outer U-shaped piece 5. The display card case 20 containing the display card 30 can be fixed by mounting it on the pocket cloth.
To remove it from the pocket cloth, pull it out in the direction opposite to arrow C. The object to be mounted is not limited to a breast pocket or the like, but a sheet-shaped object can be sandwiched, and for example, in the case of the name of the displayed item, the price, or a display card of its brief description, It is also possible to sandwich and fix a sheet-like portion such as an appropriate footed stand having a sheet-like portion formed above with paper or plastic.

In the clip shown in this embodiment, the projection 6 of the tongue piece 3 has a sectional shape such that the lower side thereof has a tapered portion 6a whose thickness gradually decreases downward. It is a protrusion. With such a tapered portion 6a, when the display card case 20 is inserted from the direction of the arrow B and attached to the clip, the projection 6 does not interfere, so that the display card case can be easily carried out. 20 is preferably insertable between the tongue 3 and the intermediate U-shaped piece 4.

In the clip 1 shown in this embodiment, the lateral plate 4a, which is a portion of the intermediate U-shaped piece 4 corresponding to the bottom of the U-shape, is formed on the back surface in the cross-sectional shape. It is an intermediate U-shaped piece having a tapered portion 4b whose thickness on the lower side is thin.

By forming the intermediate U-shaped piece 4 to have a tapered portion 4b, an arrow C can be attached to a pocket cloth or the like.
In the case of mounting in the direction, it is preferable that the clip can be smoothly mounted in a chest pocket or the like without prying the space between the intermediate U-shaped piece 4 and the external U-shaped piece 5 with a finger.

In the clip 1 shown in this embodiment, the lateral plate 5a, which is a portion of the outer U-shaped piece 5 corresponding to the bottom of the U-shape, is formed on the front side surface in its cross-sectional shape. It is an external U-shaped piece having a shape having a tapered portion 5b having a reduced thickness on the lower side.

By forming the outer U-shaped piece 5 to have a tapered portion 5b, an arrow C can be attached to a pocket cloth or the like.
In the case of mounting in the direction, it is preferable that the clip can be smoothly mounted in a chest pocket or the like without prying the space between the intermediate U-shaped piece 4 and the external U-shaped piece 5 with a finger. In particular,
In this embodiment example, the tapered portion 4 of the intermediate U-shaped piece 4
Since b and the tapered portion 5b of the outer U-shaped piece 5 have the tapered portion 4b and the tapered portion 5b on the surfaces facing each other, they are more easily attached when they are attached to a pocket cloth or the like. It is possible because it is possible.

Further, in the clip 1 shown in the present embodiment, a claw for preventing slip-up is provided on the back side surface of the lateral plate 4b which is a portion corresponding to the bottom of the U-shape of the intermediate U-shaped piece 4. A section 7 is provided.

By providing the claw portion 7 for preventing slip-up in this way, a chest pocket cloth or the like can be made into an intermediate U
When the clip 1 is sandwiched between the U-shaped piece 4 and the external U-shaped piece 5 and the clip 1 is attached to a chest pocket or the like and used, the clip 1
Is preferable because it can be prevented from slipping up from the chest pocket or the like and coming off.

Further, in the clip 1 shown in the present embodiment, the claws for preventing slip-up are provided on the front side surface of the lateral plate 5a which is a portion of the outer U-shaped piece 5 corresponding to the bottom of the U-shape. A section 8 is provided.

By providing the claw portion 8 for preventing slip-up, a chest pocket cloth or the like can be secured to the intermediate U
When the clip 1 is sandwiched between the U-shaped piece 4 and the external U-shaped piece 5 and the clip 1 is attached to a chest pocket or the like and used, the clip 1
Is preferable because it can be prevented from slipping up from the chest pocket or the like and coming off.

Particularly in this embodiment, the intermediate U-shaped piece 4
Since the claw portion 7 and the claw portion 8 of the external U-shaped piece 5 have the claw portion 7 and the claw portion 8 on the surfaces facing each other, the clip 1 slips up from the chest pocket or the like and comes off. This is preferable because it can be further prevented.

Further, in the clip 1 shown in this embodiment, the clip base 2 is provided with a hole 9 for passing a string 31 for hanging the clip. As a result, as shown in FIGS. 10 and 11, a clip hanging string 31 is used to hang it around the neck, or a display card case hanging fixing base (not shown) having other appropriate protrusions. By using a string such as hooking a string on the protrusion of the clip and suspending the display card case on a fixed base, it is not possible to attach it by sandwiching it between the intermediate U-shaped piece 4 and the external U-shaped piece 5 of the clip 1. It is convenient and preferable because it can be attached to anything.

The hole 9 for passing the string 31 for hanging the clip is a hole having an opening 9a in the upper portion in this embodiment, but if the opening 9a is provided, the string 3 is formed.
Even if you do not untie the knot 1
It is convenient because it can be easily removed from the above, but it may be a closed hole without the opening 9a.

The material of the clip of the present invention is not particularly limited as long as the object of the present invention can be achieved, and examples thereof include polyester, polystyrene, polyethylene (PE), polypropylene (PP), polyvinyl chloride (PVC) and acrylic resin. Are preferable because they are low in cost, have required strength, and can be easily obtained, but are not limited thereto, and include, for example, AS resin, ABS resin, styrene-butadiene resin, polyamide resin (nylon 6,
Nylon 66, nylon 12, etc.), (meth) acrylic resins (alkyl acrylate polymers, alkyl methacrylate polymers, etc.), polycarbonate resins, polyurethane resins, polyacetal resins, polyphenylene sulfide resins, and other thermoplastic resins, and epoxy resins. Thermosetting resins such as unsaturated polyester resin, phenol resin, polyimide resin, melamine resin and urea resin can also be used.

In particular, it is preferable to use a biodegradable polymer because it has less influence on environmental pollution and environmental destruction, but the clip having the structure of the present invention can be sufficiently used even if a biodegradable polymer is used. It can be a clip.

Examples of biodegradable polymers include polylactic acid, polycaprolactone, polybutylene succinate,
Examples thereof include polybutylene succinate / adipate copolymer, polyethylene succinate, polyhydroxybutyrate / valilate copolymer, poly-β-hydroxybutyric acid, and cellulose acetate. Among them, polylactic acid has a relatively high strength. Good and preferable.

There is no particular limitation on the display card and the display card case. The display card case is usually transparent at least on the front surface and is made of an appropriate plastic. Only the reference numeral will be described. Reference numeral 21 is a display card case holding portion, a hanging hole 22 is provided therein, and 23 is an opening for inserting the display card 30 into the display card case 20. It is a division line. The display card case 20 has at least a double structure in a portion where the display card 30 is present, and its left and right edges and the bottom edge are closed.

Of course, the display card case to which the clip of the present invention is applicable is not limited to the illustrated one.

The display card to be inserted into the display card case is not particularly limited as long as the purpose as a display card can be achieved, and usually paper or an appropriate plastic sheet is used.

[0041]

(1) The clip made of plastic for suspending the display card case according to the present invention has a clip base portion forming an upper portion of the clip, and a substantially central portion in the left-right direction of the clip base portion extending downward from the clip. The tongue for suspending the display card case extending toward it is not connected to the periphery of the tongue but has a size that surrounds the tongue and has a substantially U shape downward from the clip base. The formed intermediate U-shaped piece is not connected to the periphery of the intermediate U-shaped piece, but is formed in a substantially U-shape downward from the clip base so as to surround the intermediate U-shaped piece. And the outer tongue piece, the intermediate U-shaped piece, and the outer U-shaped piece, in the clip thickness direction,
The tongue piece is formed at the most front side, the outer U-shaped piece is at the most back side, and the intermediate U-shaped piece is at the middle thereof. The display card is provided on the back side surface near the lower tip of the tongue piece. It is a clip having a structure in which a protrusion for fitting the display card case into the hanging hole of the case is provided.

Therefore, not only the biodegradable biopolymer but also various other conventional plastics can be used as a raw material. Even if the biodegradable biopolymer is used, it can be used like the clothespin type described above. Once opened, the force to pinch next is almost gone, and the structure such that the function as the case holding clip is less likely to occur, the structure is relatively flat and simple, and the manufacturing cost can be reduced, therefore, Even if it is disposable, it does not pose a problem in terms of cost, it is extremely easy to use, it is easy to attach and detach the display card case to the clip, and the display card case easily detaches from the clip during use. We can provide a clip for holding the case of the display card that is extremely easy to attach to a chest pocket without worrying about it falling off.

(2) In the clip for holding the display card case of the present invention, the projection for suspending the display card case has a cross-sectional shape, and the taper of which the lower side is gradually thinned downward. By adopting a preferred embodiment of the present invention, which is a projection having a shape having a shape, when the display card case is inserted and attached to the clip, the projection does not interfere, so that the display card can be easily used. It is preferable that the case can be inserted between the tongue piece and the intermediate U-shaped piece and attached.

(3) Further, in the holding clip for the display card case of the present invention, the transverse plate, which is a portion corresponding to the bottom of the U-shape of the intermediate U-shaped piece, is formed on the back side surface and its cross section. In the shape, it is an intermediate U-shaped piece having a tapered portion in which the thickness on the lower side is thin. By adopting a preferred embodiment of the present invention, when it is attached to a pocket cloth or the like, the intermediate U-shaped piece is formed. It is preferable that the clip can be smoothly attached to the chest pocket without the need to pry open between the one piece and the external U-shaped piece with a finger.

(4) Further, in the holding clip for the display card case of the present invention, the lateral plate, which is a portion corresponding to the bottom of the U-shape of the external U-shaped piece, has a cross section on the front side. In the shape, it is an external U-shaped piece having a tapered portion in which the thickness on the lower side is thin. By adopting a preferred embodiment of the present invention, when it is attached to a pocket cloth or the like, an intermediate U-shaped piece is formed. It is preferable that the clip can be smoothly attached to the chest pocket without the need to pry open between the one piece and the external U-shaped piece with a finger.

(5) Further, in the clip for holding the display card case according to the present invention, the intermediate U-shaped piece is prevented from slipping up on the back side surface of the lateral plate which is a portion corresponding to the bottom of the U-shape. According to a preferred embodiment of the present invention in which a nail portion for use is provided, a chest pocket cloth or the like is sandwiched between an intermediate U-shaped piece and an external U-shaped piece, and a clip is attached to the chest pocket or the like for use. It is preferable because the clip can be prevented from slipping up from the chest pocket or the like and coming off during the operation.

(6) Further, in the holding clip for the display card case according to the present invention, the upward U-shaped piece is prevented from sliding up on the front side surface of the lateral plate which is a portion corresponding to the bottom of the U-shape. According to a preferred embodiment of the present invention in which a nail portion for use is provided, a chest pocket cloth or the like is sandwiched between an intermediate U-shaped piece and an external U-shaped piece, and a clip is attached to the chest pocket or the like for use. It is preferable because the clip can be prevented from slipping up from the chest pocket or the like and coming off during the operation.

(7) Further, in the holding clip of the display card case of the present invention, it is preferable that the clip base has a hole for passing a string for hanging the clip. Using a string for hanging the clip, hang it around the neck or hook the string on a protrusion such as a display card case suspension fixing base having other appropriate protrusions to suspend the display card case on the fixing base. It is convenient and preferable to use a string such as a clip that can be attached by being sandwiched between the intermediate U-shaped piece of the clip and the external U-shaped piece.

(8) In addition, in the above-mentioned display card case holding clip of the present invention, the clip is a clip made of a biodegradable polymer, which is a preferred embodiment of the present invention, so that even if it is disposable, environmental pollution is caused. It is preferable because it has little effect on environmental damage. Moreover, the clip having the structure of the present invention can be used sufficiently even if a biodegradable polymer is used.

[Brief description of drawings]

FIG. 1 is a front view of a holding clip of a display card case of the present invention viewed from the front side.

FIG. 2 is a rear view of the clip of FIG. 1 viewed from the back side.

FIG. 3 is a right side view of the clip of FIG. 1 viewed from the right side.

FIG. 4 is an enlarged view of a portion A of the clip right side view of FIG. 3;

FIG. 5 is a partially enlarged perspective view of a tongue piece for suspending a display card case.

FIG. 6 is a partially enlarged right side view of a tongue for suspending a display card case.

FIG. 7 is a partially enlarged right side view of the intermediate U-shaped piece.

FIG. 8 is a partially enlarged right side view of an external U-shaped piece.

FIG. 9 is an explanatory partial perspective view showing a state in which the protrusion of the tongue is fitted in the hanging hole of the display card case.

FIG. 10 is a front view showing a state in which the clip of the present invention is attached to the hanging hole of the display card case, as seen from the front side.

FIG. 11 is a rear view showing a state in which the clip of the present invention is attached to the hanging hole of the display card case, as seen from the back side.

[Explanation of symbols]

1 clip 2 clip base 3 Tongue pieces for hanging the display card case 4 Intermediate U-shaped piece 4a Lateral plate 4b Tapered part 5 External U-shaped piece 5a Lateral plate 5b Tapered part 6 protrusion 6a Tapered part 7 nails 8 claws 9 Holes for passing strings 9a opening 20 Display Card Case 21 Display card case grip 22 Hole for hanging 23 opening 30 display cards 31 Strings for hanging clips

Claims (8)

[Claims] 1. A clip made of plastic for suspending a display card case, the clip comprising a clip base portion forming an upper portion of the clip, and a clip downward from a substantially central portion of the clip base portion in a horizontal direction. The tongue for suspending the display card case extending toward it is not connected to the periphery of the tongue but has a size that surrounds the tongue and has a substantially U shape downward from the clip base. The formed intermediate U-shaped piece is not connected to the periphery of the intermediate U-shaped piece, but is formed in a substantially U-shape downward from the clip base so as to surround the intermediate U-shaped piece. And the tongue piece, the intermediate U-shaped piece, and the outer U-shaped piece are the outermost U-shaped piece and the outer U-shaped piece, respectively, in the clip thickness direction. One side is the back, front An intermediate U-shaped piece is formed at an intermediate position, and the display card case is hung by being fitted into the hanging hole of the display card case on the back side surface near the lower tip of the tongue piece. A holding clip for a display card case, characterized in that it is provided with a projection portion for. 2. A protrusion for suspending a display card case is a protrusion having a cross-sectional shape, and a lower portion thereof has a tapered portion whose thickness gradually decreases downward. Clip for holding the display card case according to 1. 3. A lateral plate, which is a portion corresponding to the bottom of the U-shape of the intermediate U-shaped piece, has a taper-shaped portion on the back side surface whose cross-sectional shape is such that the thickness on the lower side becomes thinner. The clip for holding the display card case according to claim 1 or 2, which is an intermediate U-shaped piece having a curved shape. 4. A lateral plate, which is a portion corresponding to the bottom of the U-shape of the external U-shaped piece, has a taper-shaped portion on the front side surface, the cross-sectional shape of which reduces the thickness on the lower side. The holding clip for a display card case according to any one of claims 1 to 3, which is an external U-shaped piece having a curved shape. 5. The anti-slipping claw portion is provided on the back side surface of the lateral plate which is a portion corresponding to the bottom portion of the U-shape of the intermediate U-shaped piece. Clip for holding the display card case described in. 6. The anti-slipping claw portion is provided on the front side surface of the lateral plate which is a portion corresponding to the bottom portion of the U-shape of the outer U-shaped piece. Clip for holding the display card case described in. 7. The clip for holding a display card case according to claim 1, wherein the clip base is provided with a hole for passing a string for hanging the clip. 8. The holding clip for a display card case according to claim 1, wherein the clip is a clip made of a biodegradable polymer.