Cat scratcher

Abstract

To provide a cat scratcher.SOLUTION: According to the present invention, a cat scratcher of the present invention has a scratcher body formed by stacking in a longer direction a plurality of scratching pieces formed by laminating a first cardboard piece, an abrasive sheet, and a second cardboard piece along a longer direction in this order. In the first cardboard piece, a plurality of first liners and a plurality of first middle cores having waveforms are alternately laminated in a longer direction, in the second cardboard piece, a plurality of second liners and second middle cores having waveforms are alternately laminated in a longer direction, wherein the second cardboard piece is formed lower than the first cardboard piece in a height direction, and the abrasive sheet has an abrasive surface on the side of the first cardboard piece.SELECTED DRAWING: Figure 1

Description

Technical Field

[0001] One aspect of the present invention relates to a cat nail grinder.

Background Art

[0002] Conventionally, there have been nail grinders provided for cats to grind their nails. Among such nail grinders, there are those made of cardboard. For example, Patent Document 1 discloses a cat nail grinder having a grinding surface for grinding and sharpening a cat's nail on its upper surface, the grinder including a grinding member having a grinding surface for grinding a cat's nail on at least one side surface, a core having a plurality of corrugated shapes on its side surface, and a liner. The end surface of the grinding member, the end surface of the core having the corrugated shape, and the end surface of the liner are formed on the upper surface of the cat nail grinder. A space is formed between the grinding surface of the grinding member and the side surface of the core, and the space communicates with the upper surface of the cat nail grinder.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] In order to appropriately grind and sharpen a cat's nail, it is necessary that the time for the cat's nail to contact the grinding material (or polishing material) and the pressure at the time of contact are sufficient. However, in the configuration described in Patent Document 1, depending on the depth to which the cat's nail enters the space of the cardboard core, the time for the cat's nail to contact the grinding material varies, resulting in variations in the effect of grinding and sharpening the cat's nail. Therefore, there is a need for a cat nail grinder that can more effectively grind and sharpen a cat's nail.

Means for Solving the Problems

[0005] The present invention provides the following means to solve the above problems.

[0006] A cat nail grinder according to one aspect of the present invention has a nail grinding body configured by laminating a plurality of nail grinding pieces in the longitudinal direction, wherein each nail grinding piece is formed by laminating a first-stage ball piece, a polishing sheet, and a second-stage ball piece in this order along the longitudinal direction. The first-stage ball piece is formed by alternately laminating a plurality of first liners and a first core having a plurality of corrugated shapes in the longitudinal direction. The second-stage ball piece is formed by alternately laminating a plurality of second liners and a second core having a corrugated shape in the longitudinal direction, and is formed lower than the first-stage ball piece in the height direction. The polishing sheet has a polishing surface on the surface on the side of the first-stage ball piece.

[0007] In the above cat nail grinder, in the longitudinal direction, which is the advancing direction of the cat's nail, the second-stage ball piece can be arranged behind the polishing sheet, so that the structure behind the polishing sheet is one step lower. As a result, the movement of the polishing sheet becomes free, and when the cat grinds its nails, after the nail contacts the polishing sheet, the polishing sheet follows the nail. Then, the time when the nail contacts the polishing sheet becomes longer, and the nails can be effectively ground.

[0008] Preferably, in the above cat nail grinder, the polishing sheet is higher than the first-stage ball piece in the height direction.

[0009] According to the above cat nail grinder, the polishing sheet protrudes upward from the first-stage ball piece, making it easier for the nail to contact the polishing sheet and easier for the polishing sheet to follow the nail, so that the nails can be ground more effectively. Also, by making the polishing sheet slightly higher than the first-stage ball piece and making the second-stage ball piece arranged adjacent to the polishing sheet lower than the first-stage ball piece, it is possible to prevent the upper end portion of the polishing sheet from moving along with the movement of the cat's nail during nail grinding and prevent the polishing sheet from damaging the cat's paw pad.

[0010] In the above-mentioned cat's claw grinder, preferably, the height difference between the polishing sheet and the second-stage ball piece in the height direction is longer than the length of the second-stage ball piece in the longitudinal direction.

[0011] According to the cat's claw grinder as described above, since the polishing sheet follows the claw and becomes more likely to deform, the claw can be sharpened more effectively.

[0012] In the above-mentioned cat's claw grinder, preferably, the polishing sheet is adhered to the adjacent first-stage ball piece at a location excluding the upper portion in the height direction from the second-stage ball piece.

[0013] According to the cat's claw grinder as described above, since the polishing sheet follows the claw and becomes more likely to deform, the claw can be sharpened more effectively.

[0014] In the above-mentioned cat's claw grinder, preferably, the first-stage ball piece has the first core instead of the first liner at a position adjacent to the polishing sheet.

[0015] According to the cat's claw grinder as described above, compared with the configuration in which the first liner is arranged at a position adjacent to the polishing sheet, the claw can more easily come into direct contact with the polishing sheet, so the claw can be sharpened more effectively.

[0016] In the above-mentioned cat's claw grinder, preferably, the polishing surface of the polishing sheet is arranged on the surface closer to the longitudinal end of the claw grinding body.

[0017] According to the cat's claw grinder as described above, when used by placing it on the floor, it can be configured such that the claw can be sharpened on one side and the other side with respect to the center in the longitudinal direction of the cat's claw grinder. Also, when used upright, it is arranged such that the claw can be effectively sharpened above the center. Therefore, by reversing the up and down positions after using for a certain period, it can be used again as a newly shaped claw grinder.

[0018] In the above-mentioned cat claw sharpener, preferably, it further includes a base portion provided below the claw sharpening body. The base portion is formed by alternately laminating a plurality of third liners and a third core having a plurality of corrugated shapes in the width direction.

[0019] According to the cat claw sharpener as described above, since the arrangement directions of the liner and the core intersect perpendicularly in a plan view by the laminated and arranged claw sharpening body and the base portion, the strength of the cat claw sharpener can be enhanced.

[0020] In the above-mentioned cat claw sharpener, preferably, it further includes a frame body arranged so as to surround the claw sharpening body and higher than the polishing sheet in the height direction.

[0021] According to the cat claw sharpener as described above, since the frame body is higher than the polishing sheet having the highest height among the claw sharpening bodies, it is possible to prevent the polishing sheet or the like from being bent or damaged by contacting the packaging material or the like during transportation.

Brief Description of the Drawings

[0022]

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Figure 6

Figure 7

Figure 8

Figure 9

DETAILED DESCRIPTION OF THE INVENTION

[0023] Hereinafter, a cat's claw sharpener according to an embodiment of the present invention will be specifically described with reference to the drawings. However, the embodiment described below is merely an example of the present invention and does not limit the technical scope of the present invention. In each drawing, the same components are denoted by the same reference numerals, and the description thereof may be omitted.

[0024] The cat's claw sharpener according to an embodiment of the present invention is a claw sharpener mainly designed for cats to be used when cats sharpen their claws. However, it is not only usable by cats but also available for mainly felid animals other than cats to sharpen their claws. However, in this specification, for easy understanding, it is referred to as a cat's claw sharpener. In the embodiment, the cat's claw sharpener 1 may sometimes be simply referred to as the claw sharpener 1.

[0025] In this specification, the polishing and grinding of claws are collectively referred to as "polishing". Therefore, even when referring to the polishing of claws, it includes not only polishing but also grinding. Also, when referring to "sharpening claws", it means polishing claws, and in this case, it also includes not only polishing but also grinding.

[0026] [Overall Configuration of Cat's Claw Sharpener 1] FIGS. 1 and 2 are perspective views showing the whole of the claw sharpener 1. FIG. 1 shows a state where two main body parts 2 are accommodated in a frame body 3, and FIG. 2 shows a state where one of the two main body parts 2 is accommodated in the frame body 3 and the other is partially accommodated in the frame body 3. FIG. 3 is a perspective view of the main body part 2 of the claw sharpener 1.

[0027] The claw sharpener 1 of the present embodiment is configured to include two main body parts 2 and a frame body 3.

[0028] [Frame Body 3] The frame body 3 is arranged to surround the main body 2 including the nail grinding body 8, and has a height higher than that of the polishing sheet 6 in the height direction. As shown in FIG. 2, in this embodiment, the frame body 3 is configured to accommodate two main bodies 2. Since the main body 2 is removable from the frame body 3, it can be said that it is replaceable with respect to the frame body 3. Note that the frame body 3 may be integrally formed with the main body 2, or may be configured to accommodate one main body 2 or three or more main bodies 2.

[0029] In this specification, the height direction refers to the vertical direction in the state where the nail grinder 1 or the main body 2 is placed on a plane as shown in FIGS. 1 to 3. In each component including the nail grinder 1 and the main body 2, the upper surface in the vertical direction is referred to as the front surface, and the opposite surface is referred to as the back surface. Also, based on the vertical direction in the state of FIGS. 1 to 3, the upper side and the lower side are referred to as the upper side and the lower side, respectively. That is, when the nail grinder 1 is placed upright, the height direction is different from the vertical direction, and the upper side and the lower side are different from the upper side and the lower side in the vertical direction. Among the directions perpendicular to the height direction, the direction that is the longitudinal direction of the frame body 3 and the main body 2 is referred to as the longitudinal direction. The direction perpendicular to the height direction and the longitudinal direction is referred to as the width direction.

[0030] [Main body 2] As shown in FIG. 3, the main body 2 is configured to include a base portion 9 and a nail grinding body 8 disposed above the base portion 9.

[0031] FIG. 4 is a plan view of the main body 2 as viewed from the front side where the nail grinding body 8 is disposed. FIG. 5 is a plan view of the main body 2 as viewed from the back side where the base portion 9 is disposed. FIG. 6 is a side view of the main body 2. FIG. 7 is a front view of the main body 2 as viewed from the end side in the longitudinal direction. FIG. 8 is an enlarged view of the side surface of the main body 2.

[0032] [Nail grinding body 8] As shown in FIGS. 3, 4, and 6, the claw sharpening body 8 is configured such that four claw sharpening pieces 7, which are laminated in the order of the first-stage ball piece 4, the polishing sheet 6, and the second-stage ball piece 5 from the longitudinal end portion 8a toward the central portion A, are laminated and arranged, and further, the first-stage ball piece 4 is arranged. The claw sharpening body 8 is formed symmetrically on one side and the other side with respect to the central portion A in the longitudinal direction. In other words, the claw sharpening body 8 has a configuration in which a split claw sharpening body 81 including the above four claw sharpening pieces 7 and the first-stage ball piece 4 is connected by adhering the end faces at the central portion A so as to be symmetric with each other.

[0033] [Claw sharpening piece 7] As shown in FIGS. 3, 4, 6, and 8, the claw sharpening piece 7 is formed by laminating the first-stage ball piece 4, the polishing sheet 6, and the second-stage ball piece 5 in the order of the first-stage ball piece 4, the polishing sheet 6, and the second-stage ball piece 5 from the longitudinal end portion 8a toward the central portion A.

[0034] [First-stage ball piece 4] The first-stage ball piece 4 is formed by alternately laminating a plurality of first liners 41 and a first core 42 having a plurality of corrugated shapes in the longitudinal direction. That is, the first liners 41 and the first core 42 are arranged so as to face in the longitudinal direction. The contacts between the first liners 41 and the first core 42 are adhered and integrated with an adhesive.

[0035] The first liner 41 is a liner generally used for corrugated cardboard. The liner and the core may be those of the exterior corrugated cardboard defined in JIS Z1516, but are not limited thereto. The liner is typically formed of paper having a planar shape, but may have a curved shape or the like as long as the object of the present embodiment is not impaired. Further, the liner may have a polishing surface on which a polishing material is formed. When the liner has a configuration with a polishing surface, the claws to be polished can be effectively polished. This polishing surface may be formed on one surface of the liner or on both surfaces.

[0036] The first corrugated medium 42 is the medium generally used for cardboard. The medium is typically formed of paper having a plurality of corrugated shapes. The corrugated shape of the medium may adopt, but is not limited to, the shape of nakashin defined in JIS Z1516 described above.

[0037] The number of the first liners 41 and the first corrugated medium 42 in the first cardboard piece 4 can be arbitrarily changed. In the present embodiment, the first cardboard pieces 4 arranged adjacent to the central portion A in the longitudinal direction each include 30 or more and 40 or less first liners 41 and first corrugated medium 42. Further, the first cardboard pieces 4 arranged at the ends in the longitudinal direction each include 10 or more and 20 or less first liners 41 and first corrugated medium 42. The other first cardboard pieces 4 each include 6 first liners 41 and first corrugated medium 42 (see FIG. 8). As shown in FIG. 8, the first cardboard piece 4 is formed so as not to have a first liner 41 at a position adjacent to the polishing sheet 6 and the first corrugated medium 42 contacts the polishing sheet 6. The height of the first cardboard piece 4 is preferably constant, but may have some irregularities.

[0038] [Second cardboard piece 5] The second cardboard piece 5 is formed by alternately laminating a plurality of second liners 51 and a second corrugated medium 52 having a corrugated shape in the longitudinal direction. That is, the second liners 51 and the second corrugated medium 52 are arranged so as to face in the longitudinal direction. The second cardboard piece 5 preferably has a constant height as in the first cardboard piece 4, and may have some irregularities, but is formed lower than the first cardboard piece 4 in the height direction (see FIG. 8).

[0039] More specifically, the second cardboard piece 5 of the present embodiment has two second liners 51 and one second corrugated medium, and the second corrugated medium 52 is sandwiched by the second liners 51. Such a configuration is preferable in consideration of the deformation of the polishing sheet 6 as described later, but is not limited to this configuration.

[0040] The second liner 51 and the second core 52 of the second cardboard piece 5 are the liner and core generally used for cardboard, and may adopt the same configuration as the above-mentioned first liner 41 and first core 42. Note that both or one of the first liner 41 and the second liner 51 may have a polished surface.

[0041] [Polishing sheet 6] As shown in FIG. 8, the polishing sheet 6 is disposed so as to be sandwiched between the first core 42 of the first cardboard piece 4 and the second liner 51 of the second cardboard piece 5, and has a polishing surface 61 on the surface on the side of the first cardboard piece 4. The back surface 62 of the polishing surface 61 is a surface without abrasive. The polishing sheet 6 is flexible and planar (sheet-like), and will bend when the cat's claw abuts. Since the second cardboard piece 5 is disposed behind the polishing sheet 6 with respect to the moving direction of the cat's claw, a space where no cardboard piece is disposed is formed behind the polishing sheet 6. The polishing sheet 6 is configured to be able to move freely toward this space. The polishing sheet 6 is higher than the first cardboard piece 4 in the height direction. Therefore, the polishing sheet 6 protrudes from the first cardboard piece 4 on the front side of the claw grinder 8 and the claw grinding piece 7. Note that, as will be specifically described below, the polishing sheet 6 is configured to be higher than the first cardboard piece 4 by a height of 1 mm or more and 4 mm or less in the height direction.

[0042] The height difference L1 between the polishing sheet 6 and the second liner 51 of the second cardboard piece 5 in the height direction is longer than the length L2 of the second cardboard piece 5 in the longitudinal direction. Note that the height difference L1 between the polishing sheet 6 and the second liner 51 of the second cardboard piece 5 in the height direction is 7 mm or more and 10 mm or less, and the length L2 of the second cardboard piece 5 in the longitudinal direction is 6 mm. The height difference L3 between the first cardboard piece 4 and the second cardboard piece 5 in the height direction is 6 mm. In the height direction, the height difference L4 between the first cardboard piece 4 and the polishing sheet 6 is 1 mm or more and 4 mm or less, and this length L4 is the length of the polishing sheet 6 protruding from the first cardboard piece 4. Note that each size described in this specification is merely an example, and an error of about ±15% may occur due to manufacturing variations or the like, and may be arbitrarily changed.

[0043] The polishing sheet 6 is adhered to the first center core 42 of the adjacent first-stage ball piece 4 at a location 6a excluding the upper location 6b in the height direction from the second-stage ball piece 5 (see FIG. 8). Further, the polishing sheet 6 is adhered to the second liner 51 of the second-stage ball piece 5. Note that the first-stage ball piece 4 and the second-stage ball piece 5 are adhered at portions adjacent to each other.

[0044] The polishing surface 61 of the polishing sheet 6 is disposed on a surface closer to the longitudinal end 8a of the claw grinding body 8 (see FIGS. 3 and 6). Both surfaces of the polishing sheet 6 may be the polishing surface 61.

[0045] The polishing surface 61 of the polishing sheet 6 is formed, for example, by attaching an abrasive to the base material of the polishing sheet 6. The abrasive used for the polishing surface 61 can generally be one that is used as an abrasive, and for example, alumina particles or natural abrasive such as sand may be used, but it is not limited thereto. The particle size of the abrasive may be determined as appropriate. The base material of the polishing sheet 6 may be, for example, paper, woven fabric, non-woven fabric, wooden board, vinyl chloride resin, polyester, acrylic resin, resin plate such as polypropylene, foamed resin (sponge) plate such as acrylic foam and polyurethane foam, rubber plate such as chloroprene rubber and styrene-butadiene rubber, and metal plate, or any combination thereof, but it is not limited thereto.

[0046] The polishing sheet 6 may be, for example, abrasive paper (paper file) defined in JIS R6252 in which paper is used as the base material, abrasive cloth (cloth file) defined in JIS R6251 in which cloth is used as the base material, water-resistant abrasive paper (water-resistant (sand) paper) defined in JIS R6253, a grinding member in which an abrasive (abrasive particles) is attached to the surface of a base material such as a wooden board, a resin plate, a foamed resin (sponge) plate, or a rubber plate, etc., but it is not limited thereto. However, the polishing sheet 6 preferably has a flexible configuration, and when using a wooden board or the like, it is preferable to use a thin one having flexibility.

[0047] The roughness of the abrasive material specified in JIS R6010 is, for example, Nos. 60 to 1000.

[0048] [Base portion 9] The base portion 9 is provided below the claw grinding body 8 and is located on the lower side (bottom surface side) when the claw grinder 1 is placed on a plane as shown in FIGS. 1 to 3. The base portion 9 is formed by alternately laminating a plurality of third liners 91 and a third core 92 having a plurality of corrugated shapes in the width direction (see FIG. 5). That is, the lamination direction of the third liner 91 and the third core 92 in the base portion 9 intersects perpendicularly with the lamination direction of the first liner 41, the first core 42, the second liner 51, and the second core 52 of the claw grinding body 8 located on the upper side. Thereby, the strength in the longitudinal direction and the width direction of the main body portion 2 can be increased.

[0049] The third liner 91 and the third core 92 of the base portion 9 are liners and cores generally used for cardboard, and may adopt the same configuration as the above-mentioned first liner 41 and first core 42.

[0050] [Use of the claw grinder 1] Next, the mode assumed when a cat uses the claw grinder 1 will be described.

[0051] The claw grinder 1 can be used by placing it on the floor with the main body portion 2 housed in the frame body 3. It is assumed that the cat grinds its claws while moving its claws in the direction of arrow B1 or B2 shown in FIG. 1. For example, when moving the claws in the direction of arrow B1, the cat steps on the portion where arrow B2 is marked.

[0052] At this time, the claw will move in the direction of arrow B1 shown in the enlarged view of FIG. 8. The cat's claw moves in the direction of arrow B1 in a state where it has penetrated from the front surface to the lower side which is the back side, passes through the first liner 41 and the first core 42 of the first ball piece 4, and then abuts against the polishing surface 61 of the polishing sheet 6. When the claw abuts against the polishing surface 61, the polishing sheet 6 moves toward the arrow B1 side while following the claw as it is pulled (pushed) toward the arrow B1 side by the claw. The moved polishing sheet 6 is restricted from moving at the position where it abuts against the first liner 41 located on the arrow B1 side of the polishing sheet 6, and the claw slides on the polishing surface 61. When the claw gets over the upper end of the polishing sheet 6, the claw penetrates into the first liner 41 and the first core 42 of the first ball piece 4 again and moves. By sliding the claw in the direction of arrow B1 once by the cat, the above movements are repeated multiple times. Since the cat repeats the movement of sliding the claw multiple times, each time the claw abuts against the first ball piece 4 and the polishing surface 61 of the polishing sheet 6, the claw is polished.

[0053] FIG. 9 is a view showing a claw sharpener 1 arranged upright along the corner of a wall in a state of being bent at a right angle at the center in the width direction. As shown in FIG. 9, the frame body 3 is formed so as to be bendable at the central portion C in the width direction, and the main body portions 2 can be accommodated on one side and the other side with respect to the center in the width direction. In this way, by arranging the claw sharpener 1 upright along the corner of a wall or a pillar, the claw sharpener 1 can be stabilized in the upright state. In the state where the claw sharpener 1 is upright like this, the cat tries to sharpen the claw by moving the claw in the direction of arrow B3 at the upper portion of the claw sharpener 1. Therefore, the upper portion of the claw sharpener 1 is intensively used. When the upper portion of the claw sharpener 1 is used and worn out, by arranging the claw sharpener 1 upside down (in the longitudinal direction), the upper portion of the claw sharpener 1 can be made unused.

[0054] Also, it may be configured to further include a support member that can support the claw sharpener 1 in an upright state.

[0055] [Size of Claw Sharpener 1] In the nail grinder 1 shown in FIG. 3, the sizes of the respective parts may be, for example, as follows, but are not limited to this example. Those described in parentheses are examples of tolerances.

[0056] L11 is the length in the longitudinal direction from the end 8a to the first-stage ball piece 4 adjacent to the second-stage ball piece 5. L12 is the length in the longitudinal direction from the first-stage ball piece 4 to the adjacent first-stage ball piece 4. L13 is the longitudinal length of the first-stage ball piece 4 arranged with the central part A interposed therebetween. L14 is the height of the main body 2, which is the length from the lower end of the base part 9 to the upper end of the first-stage ball piece 4 in the height direction. L15 is the length in the width direction of the main body 2.

[0057] L11: 70 mm (±3 mm) L12: 25 mm (±3 mm) L13: 295 mm (±6 mm) L14: 28 mm (±1 mm) L15: 150 mm (±5 mm)

[0058] In the frame 3 shown in FIG. 1, the sizes of the respective parts may be, for example, as follows, but are not limited to this example. Those described in parentheses are examples of tolerances.

[0059] L21 is the length of the frame 3 in the longitudinal direction. L22 is the length of the frame 3 in the width direction. L23 is the length (height) of the frame 3 in the height direction.

[0060] L21: 655 mm (±2 mm) L22: 350 mm (±2 mm) L23: 40 mm (±2 mm)

[0061] [Modification Example] The cat nail grinder 1 of the present invention is not limited to the configuration of the above-described embodiment, and various modifications are possible without departing from the spirit of the invention.

[0062] The base portion 9 may be formed of a material other than cardboard as in the embodiment. Further, the main body portion 2 may not have the base portion 9 and may be configured to include only the nail sharpening body 8.

[0063] Although the nail sharpener 1 of the embodiment was configured to be symmetric about the central portion A, it is not limited to such a configuration. For example, assuming that a cat's nail moves from one side to the other side over the entire nail sharpener 1, the polishing surface 61 of the polishing sheet 6 may be oriented in one direction.

[0064] The upper surface of the first cardboard piece 4 in the nail sharpener 1 was flat, but it may be formed in a curved surface shape. In this case, it is preferable that the first cardboard piece 4 has a shape that is convex upward.

[0065] [Summary of Embodiment and Variations] As described above, the nail sharpener 1 of the present embodiment has a nail sharpening body 8 formed by laminating a plurality of nail sharpening pieces 7 in the longitudinal direction. The nail sharpening pieces 7 are laminated in the order of the first cardboard piece 4, the polishing sheet 6, and the second cardboard piece 5 along the longitudinal direction. The first cardboard piece 4 is formed by alternately laminating a plurality of first liners 41 and a first core 42 having a plurality of corrugated shapes in the longitudinal direction. The second cardboard piece 5 is formed by alternately laminating a plurality of second liners 51 and a second core 52 having a corrugated shape in the longitudinal direction. The second cardboard piece 5 is further formed lower than the first cardboard piece 4 in the height direction. The polishing sheet 6 has a polishing surface 61 on the surface on the side of the first cardboard piece 4.

[0066] By configuring the nail sharpener 1 in this way, in the longitudinal direction, which is the advancing direction of the cat's nail, a second cardboard piece 5 formed lower than the first cardboard piece 4 is arranged behind the polishing sheet 6, resulting in a configuration where the area behind the polishing sheet 6 is stepped down. As a result, the movement of the polishing sheet 6 becomes free, and when the cat sharpens its nail, the polishing sheet 6 follows the nail after the nail comes into contact with the polishing sheet 6. Then, the time during which the nail contacts the polishing surface 61 of the polishing sheet 6 becomes longer, enabling the nail to be effectively sharpened.

[0067] In the nail grinder 1, the polishing sheet 6 is formed to be higher than the first-stage ball piece 4 in the height direction. As a result, the polishing sheet 6 protrudes upward from the first-stage ball piece 4, making it easier for the claws to contact the polishing sheet 6 and easier to conform to the claws, so that the claws can be ground more effectively. Also, by making the polishing sheet 6 slightly higher than the first-stage ball piece 4, it is possible to prevent the polishing sheet 6 from damaging the cat's paw pad during nail grinding.

[0068] In the nail grinder 1, the height difference L1 between the polishing sheet 6 and the second-stage ball piece 5 in the height direction is configured to be longer than the length L2 of the second-stage ball piece 5 in the longitudinal direction. As a result, the polishing sheet 6 is more likely to conform to the claws, so that the claws can be ground more effectively.

[0069] In the nail grinder 1, the polishing sheet 6 is adhered to the adjacent first-stage ball piece 4 at a location excluding the upper portion in the height direction from the second-stage ball piece 5. As a result, the polishing sheet 6 is more likely to conform to the claws, so that the claws can be ground more effectively.

[0070] In the nail grinder 1, the first-stage ball piece 4 is configured to have a first core 42 instead of a first liner 41 at a position adjacent to the polishing sheet 6. As a result, compared with the configuration in which the first liner 41 is disposed at a position adjacent to the polishing sheet 6, the claws can contact the polishing sheet 6 more directly, so that the claws can be ground more effectively.

[0071] In the nail grinder 1, the grinding surface 61 of the grinding sheet 6 is arranged on the surface closer to the longitudinal end 8a of the nail grinding body 8. With such a configuration, when the nail grinder 1 is placed on the floor and used, it is possible to grind the nails on one side and the other side with respect to the central portion A in the longitudinal direction of the nail grinder 1. Further, when the nail grinder 1 is used upright, since it is arranged so that the nails can be effectively ground above the central portion A, it becomes possible to use it as a newly state nail grinder 1 again by reversing the up and down arrangement after use for a certain period.

[0072] The nail grinder 1 is configured to further include a base portion 9 provided below the nail grinding body 8. The base portion 9 is formed by alternately laminating a plurality of third liners 91 and a plurality of third cores 92 having a corrugated shape in the width direction. Thereby, with the nail grinding body 8 and the base portion 9 arranged in a laminated manner, the arrangement direction of the liner and the core intersects vertically in plan view, so that the strength of the nail grinder 1 can be increased.

[0073] The nail grinder 1 is configured to further include a frame body 3 arranged so as to surround the nail grinding body 8 and higher than the grinding sheet 6 in the height direction. As a result, since the frame body 3 is higher than the grinding sheet 6 having the highest height among the nail grinding bodies 8, it is possible to prevent the grinding sheet 6 etc. from being bent or damaged by contacting the packing material etc. during transportation.

Explanation of symbols

[0074] 1... Cat nail grinder (nail grinder) 2... Main body portion 3... Frame body 4... First stage ball piece 41... First liner 42... First core 5... Second stage ball piece 51... Second liner 52... Second core 6... Grinding sheet 61... Grinding surface 7... Nail grinding piece 8... Nail grinding body 81... Divided nail grinding body 9… base part 91… third liner 92… third core

Claims

1. A cat nail grinder having a nail grinding body formed by laminating a plurality of nail grinding pieces stacked in the longitudinal direction in the order of a first-stage cardboard piece, a polishing sheet, and a second-stage cardboard piece, wherein the first-stage cardboard piece is formed by alternately laminating a plurality of first liners and a first core having a plurality of corrugated shapes in the longitudinal direction, the second-stage cardboard piece is formed by alternately laminating a plurality of second liners and a second core having a corrugated shape in the longitudinal direction and is formed lower than the first-stage cardboard piece in the height direction, the polishing sheet has a polishing surface on the surface on the side of the first-stage cardboard piece, A cat nail grinder.

2. The polishing sheet is higher than the first-stage cardboard piece in the height direction, The cat nail grinder according to Claim 1.

3. The height difference between the polishing sheet and the second-stage cardboard piece in the height direction is longer than the length of the second-stage cardboard piece in the longitudinal direction, The cat nail grinder according to Claim 1.

4. The polishing sheet is adhered to the adjacent first-stage cardboard piece at a position excluding the upper portion in the height direction from the second-stage cardboard piece, The cat nail grinder according to Claim 1.

5. The first-stage cardboard piece has the first core instead of the first liner at a position adjacent to the polishing sheet, The cat nail grinder according to Claim 1.

6. The polishing surface of the polishing sheet is disposed on the surface closer to the longitudinal end of the nail grinding body, The cat nail grinder according to Claim 1.

7. Further comprising a base portion provided below the nail grinding body, The base portion is formed by alternately laminating a plurality of third liners and a third core having a plurality of corrugated shapes in the width direction, The cat nail grinder according to Claim 1.

8. Further comprising a frame body disposed so as to surround the nail grinding body and higher than the polishing sheet in the height direction, The cat nail grinder according to Claim 1.

Images