Stationery item

Abstract

To provide a stationery item that allows easy drawing of straight lines even with one hand, thereby improving convenience.SOLUTION: A stationery item comprises a base section 1 on which a writing target P for a writing instrument W is stacked, and a movable body 2 that is movably attached to the base section 1. The base section 1 includes a magnetized surface M that is multipole-magnetized with a plurality of magnetic poles ms, mn extending in a substantially straight line at a predetermined magnetization pitch. The movable body 2 includes a substantially plate-shaped movable body main portion 21, and a magnetic member 22 provided on the movable body main portion 21 and magnetically adhering to the magnetized surface M. The magnetic member 22 is magnetized at approximately the same magnetization pitch as the magnetized surface M. The movable body main portion 21 is provided with a through-hole T into which the tip side of the writing instrument W can be inserted.SELECTED DRAWING: Figure 4

Description

Technical Field

[0001] The present invention relates to stationery used together with writing utensils.

Background Art

[0002] Conventionally, products utilizing the properties of magnets have been diversely developed for applications such as storing articles, decorating wall surfaces, and using as toys.

[0003] In particular, Patent Document 1 describes a display device including a sheet body in which anisotropic magnets extending linearly are adjacently arranged such that N poles and S poles are alternately arranged, and a display portion magnetically attached thereto and having anisotropic magnets arranged in the same manner.

[0004] According to the above invention, even if the surface of the sheet body is plain, a plurality of display portions can be arranged in alignment, and the display portions can be slid without deviation along the direction in which the anisotropic magnets extend.

Prior Art Documents

Patent Documents

[0005]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0006] By the way, when drawing a straight line using a ruler, usually, one hand holds the ruler and the other hand holds a writing utensil to perform the drawing. However, for example, when one hand is occupied by luggage or the like, or when one hand is injured, it is impossible to hold the ruler, and it becomes difficult to perform the operation of drawing a neat straight line.

[0007] Regarding this, the inventor of the present invention considered that the above problems can be solved by utilizing the above-described magnetic attraction and magnetization pitch of the magnet.

[0008] The present invention has been made in view of the above actual situation, and an object thereof is to provide a writing instrument that can easily draw a straight line even with one hand and improves convenience.

Means for Solving the Problems

[0009] The present invention for solving the above problems includes a base portion on which a writing target by a writing instrument is stacked, and a moving body movably attached to the base portion. The base portion has a magnetized surface in which a plurality of magnetic poles extending in a substantially straight line are multi-pole magnetized with a predetermined magnetization pitch. The moving body has a moving body main body in the shape of a substantially plate-like body, and a magnetic body provided on the moving body main body and magnetically attached to the magnetized surface. The magnetic body is magnetized with a magnetization pitch substantially the same as that of the magnetized surface. A through hole is provided in the moving body main body so that the tip side of the writing instrument can be inserted therethrough.

[0010] According to the present invention, the moving body can be slid along the extending direction of each magnetic pole by being magnetically attached to the magnetized surface (each magnetic pole) by the magnetic body. Then, the user can insert the tip side of the writing instrument into the through hole, lock the tip side to the through hole, and slide the moving body by pulling it with the writing instrument.

[0011] For this reason, the user can draw a straight line with the tip of the writing instrument in contact with the writing target through the through hole by sliding the moving body as described above with the writing target disposed (clamped) between the base portion and the moving body. At this time, since the moving body is magnetically attached to the base portion, the user does not need to hold the moving body with the hand that is not holding the writing instrument, and can draw a straight line with one hand.

[0012] In a preferred form of the present invention, the moving body has a covering body that covers the through hole and is detachably attached to the moving body main body. The covering body is provided with a slit that communicates with the through hole and is configured such that the tip side of the writing instrument can be inserted therethrough. The area of the slit in a plan view is smaller than the area of the through hole in a plan view, and its entire length is configured to be communicable with the through hole.

[0013] With such a configuration, the user can, if necessary, attach the covering body to the moving body and draw a straight line with the tip portion (hereinafter simply referred to as the tip portion) of the writing instrument that is in contact with the writing target through the slit. At this time, since the movable region of the writing instrument is restricted by the slit, a situation where the straight line is deflected due to an unexpected external force or the like is suppressed, and stable drawing becomes possible.

[0014] In a preferred form of the present invention, the covering body is configured to be attachable to the moving body main body such that the extending direction of the slit is substantially perpendicular to the extending direction of each magnetic pole.

[0015] With such a configuration, the user can, depending on the size of the tip portion, finely adjust the position of the tip portion with respect to the writing target if necessary.

[0016] In a preferred form of the present invention, the covering body is configured to be substantially transparent.

[0017] With such a configuration, the user can visually recognize the region near the tip portion on the writing target during drawing.

[0018] In a preferred form of the present invention, a plurality of slits are arranged to be line-symmetrical in a plan view.

[0019] With such a configuration, the user can select a slit that is easy to draw according to their dominant hand or the direction in which they want to draw a straight line, and draw a straight line.

[0020] In a preferred form of the present invention, the base portion and the moving body have flexibility.

[0021] With such a configuration, when one page in the booklet is the object to be written on, the base part and the moving body follow the curvature of this page, enabling stable drawing.

[0022] In a preferred form of the present invention, the base part is provided with tongue pieces protruding from its periphery, and the tongue pieces have a predetermined length in a direction substantially perpendicular to the direction in which each magnetic pole extends.

[0023] With such a configuration, especially when using stationery on a thick booklet, by inserting the tongue pieces into the binding part of the booklet, the base part can be stably held under the object to be written on.

Advantages of the Invention

[0024] According to the present invention, even with one hand, it is possible to easily draw a straight line, and it is possible to provide stationery with improved convenience.

Brief Description of the Drawings

[0025]

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Figure 6

Figure 7

Best Mode for Carrying Out the Invention

[0026] Hereinafter, with reference to FIGS. 1 to 7, a writing instrument according to an embodiment of the present invention will be described. It should be noted that the following embodiments are examples of the present invention, and the present invention is not limited to the following embodiments. Also, in these figures, reference numeral X indicates the writing instrument according to the present embodiment. It should be noted that the following embodiments are examples of the present invention, and the present invention is not limited to each of the following embodiments.

[0027] <Configuration> Hereinafter, with reference to FIGS. 1 to 3, the configuration of the writing instrument X will be described. For convenience of explanation hereinafter, the x-axis direction shown in FIG. 1 will be referred to as the left-right direction, and the y-axis direction will be referred to as the up-down direction.

[0028] As shown in FIGS. 1 to 3, the writing instrument X includes a base portion 1 on which a writing target P (see FIGS. 4 etc.) by a writing instrument W (see FIGS. 5 etc.) is laminated, and a moving body 2 movably attached to the base portion 1.

[0029] The base portion 1 is a substantially rectangular sheet-like body having flexibility by being formed of a flexible material. Also, as particularly shown in FIG. 2, the base portion 1 has a front-side sheet body 11, a back-side sheet body 12, and a magnet-attaching sheet body 13 on which a magnet-attaching surface M is formed.

[0030] And the base portion 1 is formed by laminating and adhering each component so that the magnet-attaching sheet body 13 is sandwiched between the front-side sheet body 11 and the back-side sheet body 12. It should be noted that for each component, a resin material such as vinyl chloride is preferably used.

[0031] A plurality of guide lines g are provided on the surface of the front-side sheet body 11.

[0032] The guide line g is provided with one line substantially parallel to the long side thereof on the right side of the front sheet body 11, and one line substantially parallel to the short side thereof above and below respectively, and extends over the entire lengths of the long side and the short side respectively.

[0033] The back sheet body 12 is provided with a tongue piece t protruding from the left long side thereof.

[0034] The tongue piece t is a substantially rectangular sheet-like body having a predetermined length in the vertical direction (i.e., a direction substantially perpendicular to the direction in which each of the magnetic poles ms and mn described later extends). Note that the tongue piece t may be provided on the front sheet body 11 or the magnetized sheet body 13.

[0035] The magnetized surface M (the surface facing the back surface of the front sheet body 11) of the magnetized sheet body 13 is a surface on which magnetic poles ms and mn extending substantially linearly are multi-pole magnetized with a predetermined magnetization pitch. Note that the magnetization pitch refers to the distance between each of the magnetic poles ms and mn, that is, the distance between adjacent S poles and N poles.

[0036] More specifically, as shown in FIG. 2(b), the magnetic pole ms which is an S pole and the magnetic pole mn which is an N pole each extend over the entire length in the left-right direction of the magnetized sheet body 13, and these are alternately arranged over the entire length in the vertical direction. Also, thereby, the boundary line b between adjacent magnetic poles ms and mn extends substantially linearly (in the left-right direction).

[0037] Note that the magnetized surface M is preferably configured to have a smooth surface so that the sliding resistance does not increase. Also, the magnetized surface M may be composed of either an isotropic magnet or an anisotropic magnet having a larger adsorption force compared thereto, but from the viewpoint of performing the sliding operation of the moving body 2 described later, it is preferably composed of an isotropic magnet. Furthermore, the boundary line b may be made thicker than the illustrated mode so that the interval between adjacent magnetic poles ms and mn becomes larger, and the magnetization pitch is preferably about 2.0 mm to 5.0 mm.

[0038] The moving body 2 includes a moving body main body 21 in the shape of a substantially plate-like body, a magnetic body 22 provided on the moving body main body 21 and magnetically adhering to the magnetized surface M, and a covering body 23 provided with a plurality of slits S.

[0039] The moving body main body 21 is a substantially rectangular thin plate-like body formed of a flexible material and having flexibility. In addition, a through hole T configured to allow the tip side of the writing instrument W to be inserted is provided substantially at the center of the moving body main body 21. As the material of the moving body main body 21, for example, resin materials such as vinyl chloride and plastic elastomer are preferably used.

[0040] The through hole T is composed of a substantially rectangular main through hole T1 and a pair of mountain-shaped sub-through holes T2 provided above and below the main through hole T1 and connected to the main through hole T1.

[0041] The magnetic body 22 includes a first magnetic adhesion portion 22a provided on the upper part of the moving body main body 21 and a second magnetic adhesion portion 22b provided on the lower part of the moving body main body 21.

[0042] A pair of the first magnetic adhesion portions 22a are provided on the upper part of the back surface of the moving body main body 21 along the peripheral edge of the moving body main body 21. A pair of the second magnetic adhesion portions 22b are also provided on the lower part of the back surface of the moving body main body 21 along the peripheral edge of the moving body main body 21.

[0043] In addition, each of the first magnetic adhesion portions 22a and each of the second magnetic adhesion portions 22b are preferably composed of isotropic magnets from the viewpoint of performing a sliding operation, similar to the magnetized surface M. However, in applications that require a large external force, etc., they may be composed of anisotropic magnets. In addition, each of the first magnetic adhesion portions 22a and each of the second magnetic adhesion portions 22b are substantially rectangular thin plate-like bodies and have flexibility as a whole, for example, by being configured as rubber magnets. In this way, since the magnetic body 22 has a predetermined thickness, a predetermined interval is created between the writing target P and the through hole T, suppressing the situation where ink or the like attached to the moving body main body 21 or the covering body 23 adheres to the writing target P.

[0044] Here, as particularly shown in FIGS. 3(a-1) and (a-2), each magnetic body 22 is provided so as to partially cover the back surface side end portion of each sub-through hole T2 in a front view. That is, each magnetic body 22 is provided so as to be partially visible through the sub-through hole T2 in a front view.

[0045] Also, as particularly shown in FIGS. 3(a-2) and (a-3), a pair of first magnetic attachment portions 22a and second magnetic attachment portions 22b are provided with a predetermined gap in the center, and a cut n extending in the vertical direction is provided in this gap portion of the moving body main body 21.

[0046] Furthermore, as particularly shown in FIG. 3(a-4), the magnetic body 22 (each first magnetic attachment portion 22a and each second magnetic attachment portion 22b) is magnetized with magnetic poles ms and mn at a magnetization pitch substantially the same as the magnetization surface M.

[0047] Note that FIG. 3(a-1) is a plan view of the moving body main body 21 (and the magnetic body 22), FIG. 3(a-2) is a bottom view of the moving body main body 21 (and the magnetic body 22), FIG. 3(a-3) is a side view of the moving body main body 21 (and the magnetic body 22), and FIG. 3(a-4) is an enlarged view of the magnetic body 22 showing the magnetization state.

[0048] The covering body 23 is a thin plate-like body having a thickness thinner than that of the moving body main body 21 and having flexibility by being formed of a flexible material, and is configured to be substantially transparent as a whole. Also, the covering body 23 is detachably attached to the moving body main body 21 so as to cover the through hole T. More specifically, the covering body 23 has an outer shape substantially the same as that of the through hole T, and is thus configured to be fitted into the through hole T so as to be laminated on each magnetic body 22 that partially covers the sub-through hole T2. Note that the means for attaching and detaching the covering body 23 to and from the moving body main body 21 is not limited to the above. For example, means such as attaching the back surface of the covering body 23 to the surface of the moving body main body 21 or magnetically attaching them to each other may be used.

[0049] Here, the covering body 23 is provided with a plurality of slits S that communicate with the through-hole T and are configured such that the tip side of the writing instrument W can be inserted therethrough.

[0050] The area of the slit S in plan view is smaller than the area of the through-hole T in plan view, and in a state where the covering body 23 is attached to the moving body main body 21, its entire length is configured to be communicable with the through-hole T. Further, the slit S is composed of a slit S (hereinafter, the first slit S1) arranged at the center and slits S (hereinafter, the second slit S2) arranged on the left and right.

[0051] Furthermore, as particularly shown in FIGS. 3(b-1) and (b-2), each slit S is arranged to be line-symmetric in plan view. More specifically, a pair of four first slits S1 are arranged from the center of the covering body 23 vertically and horizontally, and a total of two second slits S2 are arranged one by one to the left and right of the left and right first slits S1.

[0052] The first slit S1 extends in the vertical direction, and a small hole h extending in the horizontal direction is connected to the approximate center thereof. Thus, the first slit S1 has a substantially cross shape. Also, considering that the pen width of a general fluorescent pen is 4 mm, the total length of the first slit S1 is preferably set to about 6 mm from the viewpoint of performing fine adjustment of the vertical position described later.

[0053] Similar to the first slit S1, the second slit S2 extends in the vertical direction, and no small hole h like the first slit S1 is connected. Also, the total length of the second slit S2 is configured to be slightly shorter than that of the first slit S1, and is preferably set to about 4 mm, for example.

[0054] Note that FIG. 3(b-1) shows a plan view of the moving body main body 21 (and the magnetic body 22), and FIG. 3(b-2) shows an enlarged view of (b-1).

[0055] <Usage method> Hereinafter, the usage method of stationery X will be described with reference to FIGS. 4 to 7. In FIGS. 4 to 6, for convenience of explanation, the writing object P is assumed to be an independent single sheet-like body. Also, FIG. 4(b-2) shows an enlarged cross-sectional schematic view of the QQ' line in (b-1), and the thickness of the magnetized surface M and the like is exaggerated for convenience of explanation.

[0056] First, as shown in FIG. 4(a), the user fits the covering body 23 into the through hole T.

[0057] At this time, the covering body 23 is fitted into the through hole T such that the upper and lower protruding portions that fit into the respective sub-through holes T2 are placed on the respective magnetic bodies 22. In this way, due to the configuration of each sub-through hole T2 and each magnetic body 22, the covering body 23 is stably attached within the through hole T.

[0058] Next, as shown in FIG. 4(b-1), the user stacks the desired writing object P on the base portion 1 (front side sheet body 11) and magnetically attaches the moving body 2 to the desired location where a straight line is to be drawn with the writing instrument W. As a result, as particularly shown in FIG. 4(b-2), the writing object P is in a state of being sandwiched between the base portion 1 (front side sheet body 11) and the moving body 2 (magnetic body 22). Note that the user adjusts the inclination of the writing object P so that the long sides and short sides of the base portion 1 and the writing object P are substantially parallel, with each guideline g as a reference.

[0059] At this time, as shown in FIG. 4(b-2), the magnetic poles ms of the first magnetic attachment portion 22a and the second magnetic attachment portion 22b are magnetically attached to the magnetic poles mn of the magnetized surface M, respectively, and the magnetic poles mn of the first magnetic attachment portion 22a and the second magnetic attachment portion 22b are magnetically attached to the magnetic poles ms of the magnetized surface M, respectively.

[0060] Next, as shown in Fig. 5(a), the user inserts the tip side of the writing instrument W into the desired slit S. As a result, the tip of the writing instrument W abuts against the object P to be written on through the slit S (and the through hole T). In Fig. 5(a), the boundary line b between the magnetic poles ms and mn is virtually shown by a dashed line.

[0061] Then, as shown in Fig. 5(b), the user can draw a straight line L extending in the left - right direction by moving the writing instrument W to the right so that the tip side is locked in the small hole h and pulling the moving body 2.

[0062] In addition, if necessary, the user can change the magnetic poles ms and mn of the magnetization surface M to which the magnetic body 22 is magnetically attached by pulling the moving body 2 upward or downward with the writing instrument W, and change the vertical arrangement of the moving body 2 with respect to the base portion 1.

[0063] In this case, since it is necessary to separate the magnetic body 22 from the magnetic poles ms and mn to which it has been magnetically attached until then, the user needs to apply a greater external force compared to sliding in the left - right direction. Also, when the moving body 2 moves upward or downward, in magnetically attaching to the desired position, the process of repulsion between like poles occurring first and then magnetic attachment between unlike poles will occur one or more times. And since this single process acts on the user as a click feeling transmitted to their hand, the interval between straight lines can be finely adjusted according to the number of times this click feeling is obtained, and it becomes easy to draw equally - spaced straight lines.

[0064] Here, in Fig. 5, as the writing instrument W, it is assumed that the tip side has a conical shape such as a pencil or a ball - point pen, and an example of locking the tip side in the small hole h in the left - hand first slit S1 and drawing the straight line L is shown, but depending on the writing instrument W used, etc., its usage mode is various.

[0065] That is, when the writing instrument W is a fluorescent pen, since the total length of the first slit S1 is configured to be longer than the pen width of the fluorescent pen, the user can move the tip side of the writing instrument W inserted through the first slit S1 up and down by several millimeters.

[0066] Therefore, as shown in FIGS. 6(a) and (b), the user can finely adjust the vertical position of the straight line L drawn within one first slit S1.

[0067] FIG. 6(a) shows a usage mode in which the tip side of the writing instrument W is inserted into the upper first slit S1, the tip side is pressed against the upper inner peripheral surface of the first slit S1, and the moving body 2 is pulled to draw the straight line L. FIG. 6(b) shows a usage mode in which the tip side of the writing instrument W is inserted into the upper first slit S1 in the same manner, the tip side is pressed against the upper inner peripheral surface of the first slit S1, and the moving body 2 is pulled to draw the straight line L. Note that even when the user uses a writing instrument W with a conical tip such as a pencil or a ballpoint pen, it is not always necessary to lock it to the small hole h, and the user may perform fine adjustment of the vertical position by the first slit S1 and draw the straight line L.

[0068] Also, as shown in FIG. 6(c), the user can significantly adjust the vertical position by changing the first slit S1 itself through which the tip side of the writing instrument W is inserted, and the fine adjustment shown in FIGS. 6(a) and (b) can naturally be performed using other first slits S1.

[0069] Also, as shown in FIG. 6(d), if the user does not need fine adjustment of the vertical position, the user can stably draw the straight line L by inserting the tip side of the writing instrument W into the second slit S2.

[0070] Also, as shown in FIG. 6(e), when it is easier for the user to draw a straight line by moving the writing instrument W from right to left, for example, when the user is left-handed, the user can stably draw the straight line L from right to left by inserting the tip side of the writing instrument W into the left second slit S2. In addition, in the above case, if the user wants to finely adjust the vertical position of the straight line L, the user may use the leftmost first slit S1.

[0071] Also, as shown in FIG. 6(f), when the tip of the writing instrument W is large, the user can remove the covering body 23 from the moving body main body 21, lock the tip side of the writing instrument W in the through hole T, and pull the moving body 2 to draw the straight line L. Note that even when the user uses a pencil, a ballpoint pen, a fluorescent pen, etc. as the writing instrument W as necessary, the user may remove the covering body 23 from the moving body main body 21 and draw a straight line.

[0072] Here, as shown in FIG. 7(a), the stationery X can use one page of a booklet B composed of a plurality of pages as the writing target P.

[0073] That is, the user places the base portion 1 between one page to be the writing target P and the next page thereof, and magnetically attaches the moving body 2 to a desired location where a straight line is to be drawn with the writing instrument W as shown in FIG. 4(b). At this time, the user inserts and sandwiches the tongue piece t into the binding portion of the booklet B.

[0074] In particular, as shown in FIG. 7(a), when the user supports the lower part with the hand (left hand in the figure) that does not hold the writing instrument W, the booklet B bends greatly, but since the base portion 1 has flexibility, it bends following this bend. And when moving the moving body 2 in the flow shown in FIGS. 5 and 6, as shown in FIG. 7(b), the moving body 2 smoothly bends following the bend of the booklet B due to the cut n. Thereby, a constant space can always be maintained between the writing target P and the moving body main body 21 (and the covering body 23), and adhesion of ink or the like to the writing target P can be suppressed.

[0075] <Main effects> According to this embodiment, since the moving body 2 can be magnetically attached to the base portion 1 and slid in the extending directions of the respective magnetic poles ms and mn, the user does not need to hold down the moving body 2 with the hand that is not holding the writing instrument W, and can draw a straight line with one hand through the through hole T.

[0076] In addition, the movable region of the writing instrument W is restricted by the slit S provided in the covering body 23, so that a situation where the straight line is deflected due to an unexpected external force or the like is suppressed, and stable drawing is possible.

[0077] Further, since the covering body 23 is attached to the moving body main body 21 such that the slit S extends in the vertical direction, the user can finely adjust the vertical position of the tip of the writing instrument W with respect to the writing object P as needed.

[0078] In addition, since the covering body 23 is configured to be substantially transparent, the user can visually recognize the region near the tip of the writing instrument W on the writing object P during drawing.

[0079] In addition, since a plurality of slits S are arranged to be line-symmetrical in plan view, the user can select a slit S that is easy to draw according to their dominant hand or the like and draw a straight line.

[0080] Further, since the base portion 1 and the moving body 2 have flexibility, when a page in the booklet B is used as the writing object P, the base portion 1 and the moving body 2 follow the curvature of this page, and stable drawing is possible.

[0081] In addition, by inserting the tongue piece t into the binding portion of the booklet B with the tongue piece t, the base portion 1 can be stably held under the writing object P.

[0082] Note that "substantially" in the application documents means that chamfering or rounding is performed on the subsequent shape, and also includes those in which the elements constituting the shape are deformed or the length is changed within a range that does not hinder the purpose of the shape. In addition, the various shapes, dimensions, etc. of each component shown in the above-described embodiments are merely examples and can be variously modified based on design requirements and the like.

[0083] For example, the magnetization pitch of the magnetization surface M can be appropriately set according to the purpose of use, and accordingly, the magnetization pitch of the magnetic body 22 (the first magnetization portion 22a and the second magnetization portion 22b) can also be appropriately changed. Also, the number, total length, and arrangement mode of the slits S can be flexibly changed according to the intention of the designer and the like.

Explanation of Reference Numerals

[0084] X Stationery 1 Base portion 11 Front sheet body 12 Back sheet body 13 Magnetization sheet body M Magnetization surface ms, mn Magnetic poles b Boundary line 2 Movable body 21 Movable body main body T Through hole 22 Magnetic body 23 Coating S Slit W Writing instrument P Object to be written on B Pamphlet

Claims

1. The writing device includes a base portion on which objects to be written by the writing tool are stacked, and a movable body movably attached to the base portion, the base portion has a magnetized surface on which a plurality of magnetic poles extending substantially linearly are magnetized at a predetermined magnetization pitch; The movable body includes a substantially plate-shaped movable body main body and a magnetic body provided on the movable body main body and magnetically attracted to the magnetized surface, the magnetic body is magnetized with substantially the same magnetization pitch as the magnetized surface, The stationery item has a through hole in the movable body that is configured so that the tip side of the writing instrument can be inserted therethrough.

2. the movable body has a cover that covers the through hole and is detachably attached to the movable body main body, The cover is provided with a slit that communicates with the through hole and allows the tip side of the writing instrument to be inserted therethrough, The stationery according to claim 1 , wherein the slit has an area in a plan view smaller than an area in a plan view of the through hole, and the entire length of the slit is configured to be capable of communicating with the through hole.

3. The stationery according to claim 2 , wherein the covering body is configured to be attachable to the movable body so that the direction in which the slits extend is substantially perpendicular to the direction in which each of the magnetic poles extends.

4. The stationery according to claim 2 or 3, wherein the covering body is configured to be substantially transparent.

5. The stationery according to claim 2 or 3, wherein a plurality of the slits are arranged so as to be line-symmetrical in a plan view.

6. The stationery according to claim 1 , wherein the base portion and the movable body are flexible.

7. The base portion is provided with a tongue piece protruding from its periphery, The stationery according to claim 6 , wherein the tongue has a predetermined length in a direction substantially perpendicular to a direction in which each of the magnetic poles extends.

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