Sliding aid and sliding tool using the same

Abstract

To solve such a problem that, in conventional sliding aids, the flex of a sliding board is strengthened, the sliding board becomes stiff and the operability of the sliding board for beginners or the like in snowboarding deteriorates.SOLUTION: A sliding aid 10 according to the present invention is fixed between a sliding board 12 and a binding device 13. The sliding aid 10 has a base portion 21 formed with a support portion 25 and a center-of-gravity adjustment portion 26, the center-of-gravity adjustment portion 26 being in contact with or out of contact with an upper surface 12A of the sliding board 12. A part of an end portion in the lateral width direction of a bottom surface 13A of the binding device 13 and its surrounding area are disposed above the center-of-gravity adjustment portion 26. With this structure, a user can more easily shift the center of gravity in the longitudinal direction of the sliding board 12 during sliding. As a result, even beginners or the like in snowboarding can improve the operability of the sliding board 12 and enjoy snowboarding.SELECTED DRAWING: Figure 5A

Description

[Technical Field]

[0001] The present invention relates to a skiing aid and a skiing tool using the same. [Background technology]

[0002] BACKGROUND ART As a conventional sliding aid that can be attached to sliding equipment such as a snowboard, for example, the structure described in Patent Document 1 is known.

[0003] The sliding device includes a sliding board, a binding, and a sliding aid disposed between the sliding board and the binding. The sliding aid includes a resin case and a plurality of rods housed inside the case. The case is formed so that both ends of the case are thicker than the center in the longitudinal direction of the sliding board.

[0004] Furthermore, when the sliding board is a snowboard, the top surface of the sliding board is curved at a constant curvature. With this structure, when the case body is fixed to the top surface of the sliding board, both ends of the case body in the longitudinal direction are in contact with the top surface of the sliding board. Then, both ends of the case body press against the top surface of the sliding board from above (see, for example, Patent Document 1). [Prior art documents] [Patent documents]

[0005] [Patent Document 1] Patent No. 7049711 Summary of the Invention [Problem to be solved by the invention]

[0006] As described above, in the sliding assist device of Patent Document 1, due to the attachment structure of the case body to the sliding board, it becomes difficult for the sliding board to bend in the longitudinal direction. Further, the rod-shaped body is formed of a material having higher rigidity than the case body, and a plurality of rod-shaped bodies are arranged along the longitudinal direction. With this structure, the flexure of the sliding board is strengthened, and the sliding board becomes rigid, so that the sliding performance during high-speed sliding of the sliding device is improved.

[0007] As a result, advanced users and competitors with advanced snowboarding techniques can use a snowboard equipped with the above-described sliding assist device and combine their own sliding techniques to further enhance the sliding performance during sliding. And the above-mentioned advanced users and the like can enjoy sliding on a snowboard.

[0008] However, when beginners and intermediate users who account for most of the snowboard population use a snowboard equipped with the above-described sliding assist device, the deflection of the sliding board during sliding is suppressed, and the operability of the sliding board deteriorates with their own sliding techniques.

[0009] As a result, the above-mentioned beginners and the like have problems that turn operations and jump operations become difficult with their own sliding techniques. In addition, the above-mentioned beginners and the like have problems that speed control becomes difficult, such as excessive speed during sliding due to the deterioration of the above-mentioned operability. Furthermore, when sliding at a low speed, the above-mentioned beginners and the like have problems that it becomes difficult to adjust their own center of gravity on the sliding board and they are prone to falling. That is, there is a problem that it is difficult for the above-mentioned beginners and the like to slide as they imagine and it is difficult to enjoy sliding on a snowboard by using a snowboard equipped with the above-described sliding assist device.

[0010] The present invention has been made in view of the above circumstances, and an object thereof is to provide a sliding assist device that improves the operability of a snowboard for beginners and the like with low snowboarding techniques, and a sliding device using the same.

Means for Solving the Problems

[0011] The skating aid of the present invention is a skating aid disposed between a skating board and a binding device attached to the skating board. The skating aid includes a base portion, a support portion formed on the base portion that contacts the skating board and the binding device and supports the binding device, and a center-of-gravity adjustment portion formed on the base portion around the support portion and formed thinner than the support portion. The center-of-gravity adjustment portion is disposed at least below a part of the lateral end of the bottom surface of the binding device and its peripheral region, and the center-of-gravity adjustment portion is configured to come into contact with or not come into contact with the skating board according to the skating condition of the skating board.

[0012] Further, in the skating aid of the present invention, the base portion is formed of a material softer than the skating board, and the center-of-gravity adjustment portion is formed on both sides of the support portion in the longitudinal direction of the skating board.

[0013] Further, in the skating aid of the present invention, an outer peripheral wall portion is formed around the support portion and the center-of-gravity adjustment portion on the base portion, and the outer peripheral wall portion is formed with the same thickness as the support portion.

[0014] Further, in the skating aid of the present invention, the support portion and the center-of-gravity adjustment portion are formed by a plurality of wall portions.

[0015] Further, in the skating aid of the present invention, the center-of-gravity adjustment portion is formed to become thinner from the support portion toward the outer peripheral wall portion.

[0016] In the skating implement of the present invention, the above skating aid is fixed to the skating board between the skating board and a binding device attached to the skating board.

Advantages of the Invention

[0017] The sliding assist device of the present invention is fixed between the sliding board and the bottom surface of the binding device. The sliding assist device has a base portion in which a support portion and a center-of-gravity adjustment portion are formed, and the center-of-gravity adjustment portion is in a contact state or a non-contact state with respect to the top surface of the sliding board. And a part of the end portion in the lateral width direction of the bottom surface of the binding device and its peripheral region are disposed above the center-of-gravity adjustment portion. With this structure, it becomes easier for the user to move the center of gravity in the longitudinal direction of the sliding board during sliding. As a result, even beginners of snowboards can improve the operability of the sliding board and enjoy snowboarding.

[0018] Further, in the sliding assist device of the present invention, the base portion elastically deforms following the deflection of the sliding board. With this structure, since the sliding board becomes easier to deflect, the operability of the sliding board is improved even for beginners with low sliding skills.

[0019] Further, in the sliding assist device of the present invention, an outer peripheral wall portion is formed along the outer peripheral edge portion of the base portion, and the plate thickness of the outer peripheral wall portion is the same as the plate thickness of the support portion. With this structure, the intrusion of snow between the base portion and the top surface of the sliding board is prevented, and it becomes easier for the user to perform the above-described center-of-gravity movement during sliding.

[0020] Further, in the sliding assist device of the present invention, the support portion and the center-of-gravity adjustment portion of the base portion are formed by a plurality of wall portions. With this structure, since the weight of the entire base portion is reduced, even weak users such as children and women can easily perform the above-described center-of-gravity movement, and the operability of the sliding board is improved.

[0021] Further, in the sliding assist device of the present invention, the plate thickness of the center-of-gravity adjustment portion of the base portion becomes thinner from the support portion toward the outer peripheral wall portion. With this structure, even when the user moves the center of gravity on the sliding board, a part of the center-of-gravity adjustment portion comes into surface contact with the top surface, so that the user's feet are in a stable state.

[0022] In the sliding device of the present invention, the sliding assist device is fixed between the sliding board and the bottom surface of the binding device. And the sliding assist device has a structure that supports the center-of-gravity movement of the user during sliding. With this structure, even beginners of snowboards can improve the operability of the sliding board and enjoy snowboarding.

Brief Description of the Drawings

[0023]

Figure 1A

Figure 1B

Figure 2A

Figure 2B

Figure 3A

Figure 3B

Figure 3C

Figure 4

Figure 5A

Figure 5B

Figure 6A

Figure 6B

Figure 7A

Figure 7B

Modes for Carrying Out the Invention

[0024] Hereinafter, the skating aid 10 according to an embodiment of the present invention and the skating device 11 using the same will be described in detail with reference to the drawings. In the following description of the present embodiment, the same members are generally denoted by the same reference numerals, and repeated descriptions are omitted. Also, the vertical direction indicates the height direction of the skating device 11, the left-right direction indicates the longitudinal direction of the skating device 11, and the front-rear direction indicates the short-side direction of the skating device 11.

[0025] First, FIG. 1A is a perspective view illustrating the skating device 11 to which the skating aid 10 of the present embodiment is attached. FIG. 1B is a side view illustrating the skating board 12 of the skating device 11 of the present embodiment. FIG. 2A is a perspective view illustrating the skating aid 10 of the present embodiment. FIG. 2B is a bottom view illustrating the skating aid 10 of the present embodiment. FIG. 3A is a cross-sectional view illustrating the skating aid 10 of the present embodiment, showing a cross-section in the direction of line A-A shown in FIG. 2B. FIG. 3B is a cross-sectional view illustrating the skating aid 10 of the present embodiment, showing a cross-section in the direction of line B-B shown in FIG. 2B. FIG. 3C is a cross-sectional view illustrating the skating aid 10 of the present embodiment, showing a cross-section in the direction of line C-C shown in FIG. 2B. FIG. 4 is a top view illustrating the skating aid 10 of the present embodiment, showing the arrangement region of the binding device 13 with respect to the base 21. FIGS. 5A and 5B are cross-sectional views illustrating the usage state of the skating device 11 of the present embodiment. Note that the cross-sections shown in FIGS. 3A to 3C are illustrated in an enlarged manner compared to the cross-section shown in FIG. 2B for convenience of explanation.

[0026] As shown in FIG. 1A, the skating device 11 of the present embodiment will be described, for example, in the case of snowboard equipment. The skating device 11 mainly includes a skating board 12, a skating aid 10 attached to the top surface 12A of the skating board 12, a screw (not shown) for fixing the skating aid 10 to the skating board 12, a binding device 13 attached to the skating board 12, and a screw 14 for fixing the binding device 13 to the skating board 12. Note that the skating device 11 is not limited to snowboard equipment, and any equipment that slides on snow may be used. For example, it may be ski equipment.

[0027] In addition, a pair of binding devices 13 for fixing the snow boots 32 (see FIG. 5A) of the user's left and right feet are fixed to the top surface 12A of the sliding board 12. Sliding aids 10 are fixed between the sliding board 12 and the binding devices 13 respectively. And the user slides on the snow with both feet fixed to the sliding board 12 via the binding devices 13. Also, the user moves the center of gravity in various directions on the sliding board 12 and operates the sliding board 12. Then, the user adjusts the sliding line through turning operations, stopping operations, etc., and slides on the snow.

[0028] Here, the sliding aid 10 is, for example, a plate-shaped resin molded product, and is disposed between the top surface 12A of the sliding board 12 and the bottom surface 13A (see FIG. 5A) of the binding device 13. The sliding aid 10 is formed of a material softer than the sliding board 12, and is a member that elastically deforms following the deflection of the sliding board 12.

[0029] With this structure, the main function of the sliding aid 10 of the present embodiment is to support the user's center of gravity movement on the sliding board 12 rather than to increase the rigidity of the sliding board 12. As a result, following the user's center of gravity movement on the sliding board 12, the sliding board 12 is particularly likely to deflect in its longitudinal direction (left - right direction in the drawing). And the user can easily perform turning operations, jumping operations, etc. during sliding, and the maneuverability of the sliding board 12 is improved. Incidentally, although details will be described later, in the sliding aid 10, the rigidity of the sliding board 12 in the short - hand direction (front - back direction in the drawing) is higher than its rigidity in the longitudinal direction, suppressing the deflection of the sliding board 12 in the short - hand direction and improving the user's edge controllability.

[0030] As shown in FIG. 1B, the top surface 12A of the sliding plate 12 is formed as a curved surface that is curved with a constant curvature in its longitudinal direction. Details will be described later with reference to FIGS. 3A to 3C. The sliding assist device 10 has a plate-shaped base 21, and the plate thickness T2 of the center of gravity adjustment portion 26 of the base 21 is formed to be thinner than the plate thickness T1 of the support portion 25 of the base 21. Then, the center of gravity adjustment portion 26 of the base 21 is in a non-contact state separated from the top surface 12A of the sliding plate 12, or a state in which at least a part thereof is in contact with the top surface 12A of the sliding plate 12, according to the sliding state of the slider 11.

[0031] As shown in FIGS. 2A and 2B, the sliding assist device 10 has a plate-shaped base 21 formed by injection molding a resin material such as an ABS resin. The base 21 is formed, for example, in a substantially square shape in plan view, and the four corner portions 21R have a curved surface shape. As described above, the base 21 is formed from a material that is softer than the sliding plate 12, for example, a resin material. And the base 21 has flexibility that can be curved also in the front-back surface direction (vertical direction in the drawing), in other words, in the plate thickness direction, and has a structure that elastically deforms following the deflection of the sliding plate 12 during sliding.

[0032] Also, a plurality of mounting holes 22 for fixing the base 21 to the sliding plate 12 are formed in the central portion of the base 21. When the base 21 is fixed to the sliding plate 12, the mounting holes 22 of the base 21 are aligned with locking holes (not shown) of the sliding plate 12. Then, a screw 14 for fixing the binding device 13 passes through the mounting hole 22 and is inserted into the locking hole of the sliding plate 12. The screw 14 is screwed into a screw portion (not shown) in the locking hole and is fixed to the sliding plate 12.

[0033] As shown in FIG. 2A, the surface 21A side of the base 21 is formed as a thin plate-like body, and the surface 21A of the base 21 is a flat surface. And the surface 21A of the base 21 is in surface contact with the bottom surface 13A of the binding device 13 over substantially the entire surface. With this structure, the binding device 13 is less likely to rattle on the sliding plate 12 and is fixed to the sliding plate 12 in a stable state via the base 21.

[0034] As shown in FIG. 2B, the back surface 21B side of the base 21 is formed into an uneven shape by a plurality of wall portions 23 and an outer peripheral wall portion 24. The wall portion 23 includes, for example, a first wall portion 23A formed in a plurality of concentric circles so as to surround the mounting hole 22, a second wall portion 23B and a third wall portion 23C that are linear and intersect the first wall portion 23A, and an outer peripheral wall portion 24 formed along the outer peripheral edge of the base 21. The wall portion 23 and the outer peripheral wall portion 24 are formed with a certain thickness and function as reinforcing ribs for maintaining the shape of the base 21.

[0035] And, since the back surface 21B side of the base 21 is formed by the plurality of wall portions 23 and the outer peripheral wall portion 24, the amount of resin used is reduced as the entire base 21. And while the manufacturing cost of the sliding aid 10 is reduced, the weight reduction of the sliding aid 10 is realized. For physically weak users such as women and children, even a slight weight reduction of the entire sliding device 11 makes it easier to handle the sliding device 11 when sliding or carrying it.

[0036] The plurality of first wall portions 23A are annular and are arranged at substantially equal intervals from the central portion on the back surface 21B side of the base 21 toward the outer peripheral wall portion 24. With this structure, since the first wall portion 23A is arranged substantially evenly with respect to the back surface 21B of the base 21, the rigidity for maintaining the desired shape of the entire base 21 is realized.

[0037] And even when the user stands on the sliding board 12, the load of the user is dispersed and transmitted from the base 21 to the sliding board 12. As a result, it becomes difficult for the base 21 to be partially deformed, and by firmly supporting the binding device 13 from below, it is possible to prevent the binding device 13 from rattling on the sliding board 12.

[0038] The plurality of second wall portions 23B are formed to extend from the central portion of the base 21 in the lateral direction (front - back direction of the paper surface) of the sliding board 12. And the second wall portion 23B connects the first wall portion 23A and the outer peripheral wall portion 24.

[0039] With this structure, the rigidity of the base 21 in the transverse direction is increased compared to the longitudinal direction. When the user moves the center of gravity in the transverse direction on the sliding board 12, the base 21 suppresses the deflection of the sliding board 12, thereby reducing the amount of deflection of the sliding board 12 in the transverse direction.

[0040] As a result, the user's feet on the sliding board 12 become firm, improving the stability on the sliding board 12. At the same time, the bending of the sliding board 12 in the transverse direction is suppressed, and the transmission of force to the edge is improved, making it easier to control the edge of the sliding board 12. Thus, the maneuverability of the sliding board 12 by the user, such as turning and stopping during sliding, is improved.

[0041] The plurality of third wall portions 23C are formed from the central portion of the base 21 toward the four corner portions 21R and are in a connected state with the first wall portion 23A. Around the four corner portions 21R of the base 21, the first wall portion 23A, the second wall portion 23B, and the third wall portion 23C form reinforcing ribs that are substantially triangular in plan view.

[0042] Here, when sliding on snow, snow also accumulates on the top surface 12A side of the sliding board 12, and when the base 21 is pushed by the snow, the base 21 may be turned up, and snow may enter between the base 21 and the sliding board 12. In particular, at the corner portion 21R of the base 21, snow accumulates on the sliding board 12 from various directions, making it easier for the base 21 to be turned up.

[0043] Therefore, in the corner portion 21R of the base 21 of the present embodiment, the formation of the triangular reinforcing ribs increases the rigidity of the four corner portions 21R of the base 21. And since the periphery of the corner portion 21R of the base 21 is difficult to be turned up by being pushed by snow, it is difficult for snow to enter between the base 21 and the sliding board 12.

[0044] As shown in FIG. 3A, in the longitudinal direction (left - right direction in the drawing) of the sliding plate 12, the base 21 has a support portion 25 formed at its central portion, a center - of - gravity adjustment portion 26 formed on both sides in the longitudinal direction of the support portion 25, and an outer peripheral wall portion 24 formed so as to surround the support portion 25 and the center - of - gravity adjustment portion 26. As described above, the wall portion 23 and the outer peripheral wall portion 24 are formed to extend toward the back surface 21B side of the base 21, so that the back surface 21B side of the base 21 is formed in an uneven shape.

[0045] In the present embodiment, the plate thickness T2 of the center - of - gravity adjustment portion 26 of the base 21 is thinner than the plate thickness T1 of the support portion 25 of the base 21. And as shown by the arrow 31, the plate thickness T2 of the center - of - gravity adjustment portion 26 is formed to gradually become thinner from the central portion of the base 21 toward the outer peripheral wall portion 24. On the other hand, the plate thickness T3 of the outer peripheral wall portion 24 is the same as the plate thickness T1 of the support portion 25 of the base 21.

[0046] As shown in FIG. 3B, in the cross - section of the support portion 25 in the short - hand direction (front - back direction in the drawing) of the sliding plate 12, the plate thickness T1 of the support portion 25 of the base 21 and the plate thickness T3 of the outer peripheral wall portion 24 are formed to have the same thickness.

[0047] As shown in FIG. 3C, in the cross - section of the center - of - gravity adjustment portion 26 in the short - hand direction of the sliding plate 12, the plate thickness T2 of the center - of - gravity adjustment portion 26 of the base 21 is formed to have the same thickness. On the other hand, the plate thickness T3 of the outer peripheral wall portion 24 is formed thicker than the plate thickness T2 of the center - of - gravity adjustment portion 26.

[0048] In FIG. 4, the dotted line 41 indicates the arrangement region of the bottom surface 13A of the binding device 13, and the dashed - dotted line 42 indicates the boundary between the formation region of the support portion 25 and the formation region of the center - of - gravity adjustment portion 26 of the base 21. As shown in the drawing, most of the bottom surface 13A of the binding device 13 is arranged on the upper surface of the support portion 25 of the base 21.

[0049] On one hand, both end portions in the lateral width direction of the bottom surface 13A of the binding device 13 and its peripheral region are respectively disposed on the upper surface of the center-of-gravity adjustment portion 26 of the base 21. In other words, at least a part of the inner lateral region along the inner longitudinal arch of the user's sole and the outer lateral region along the outer longitudinal arch are disposed on the upper surface of the center-of-gravity adjustment portion 26. Although details will be described later, this structure makes it easier for the user to move the center of gravity in the longitudinal direction of the sliding plate 12.

[0050] As shown in FIGS. 3A and 3B, the support portion 25 of the base 21 functions as a region that supports the binding device 13 from below. And in the formation region of the support portion 25, the plate thickness T1 of the first wall portion 23A is the thickest in the base 21 and is formed with a thickness that fills the gap between the top surface 12A of the sliding plate 12 and the bottom surface 13A of the binding device 13. Similarly, the plate thickness T3 of the outer peripheral wall portion 24 is the same as the plate thickness T1.

[0051] With this structure, the support portion 25 is in a surface-contact state with respect to the bottom surface 13A of the binding device 13 and is also in a surface-contact state with respect to the top surface 12A of the sliding plate 12. As a result, most of the bottom surface 13A of the binding device 13 is disposed on the upper surface of the support portion 25 having the same plate thicknesses T1 and T3, and is fixed on the sliding plate 12 in a stable state.

[0052] Also, the center-of-gravity adjustment portion 26 of the base 21 functions as a region that supports the movement of the user's center of gravity on the sliding plate 12. In particular, the center-of-gravity adjustment portion 26 functions as a region that supports the movement of the user's center of gravity with respect to the longitudinal direction (left-right direction in the drawing) of the sliding plate 12. And the center-of-gravity adjustment portion 26 is on both sides in the longitudinal direction of the support portion 25 and is formed between the support portion 25 and the outer peripheral wall portion 24.

[0053] Here, as shown in FIG. 3A, the center-of-gravity adjustment portion 26 is formed such that its plate thickness T2 gradually becomes thinner from the support portion 25 of the base 21 toward the outer peripheral wall portion 24 in the longitudinal direction. For example, the plate thickness T2 becomes thinner in an inclined shape or a curved shape from the support portion 25 toward the outer peripheral wall portion 24.

[0054] In FIG. 5A, for example, a state where the user stands upright on the skateboard 12 is shown. In other words, a state where the user does not shift the center of gravity in the longitudinal direction of the skateboard 12 is shown. As shown in the drawing, in the upright state, the support portion 25 is in surface contact with the top surface 12A of the skateboard 12 due to the load of the user or the like, but the center-of-gravity adjustment portion 26 is separated from the top surface 12A of the skateboard 12 and has a gap therebetween.

[0055] On the other hand, in FIG. 5B, for example, a state where the user has shifted the center of gravity toward the traveling direction (left side direction in the drawing) in the longitudinal direction of the skateboard 12 is shown. As shown in the drawing, in the state where the center of gravity has shifted, the support portion 25 maintains surface contact with the top surface 12A of the skateboard 12 due to the load of the user or the like, and as indicated by the circle 43, a part of the center-of-gravity adjustment portion 26 is also in surface contact with the top surface 12A of the skateboard 12.

[0056] That is, when the user shifts from the state shown in FIG. 5A to the state shown in FIG. 5B on the skateboard 12, for example, when the user tilts toward the traveling direction side of the skateboard 12, the center-of-gravity adjustment portion 26 of the base portion 21 elastically deforms so as to hang down toward the top surface 12A side of the skateboard 12 due to the load of the user. As a result, in the center-of-gravity adjustment portion 26 around the support portion 25, since the load is applied and the region has a thick plate thickness T2, as indicated by the circle 43, the first wall portion 23A and the third wall portion 23C, which are parts of the center-of-gravity adjustment portion 26, are also in surface contact with the top surface 12A of the skateboard 12.

[0057] With this structure, the user can easily shift the center of gravity with a relatively small force due to the elastic deformation of the center-of-gravity adjustment portion 26. In addition, since the center-of-gravity adjustment portion 26 below the binding device 13 is in surface contact with the top surface 12A of the skateboard 12, the feet are stabilized and it becomes easier for the user to maintain the state where the center of gravity has shifted.

[0058] As a result, by the user maintaining the state of the above-described center-of-gravity shift during gliding, the snowboard 12 bends in its longitudinal direction, and the centrifugal force applied to the snowboard 12 increases. Then, the user performs edge control of the snowboard 12, and it becomes easier to perform a turning operation while adjusting the gliding line. That is, since it becomes easier for the user to shift the center of gravity in the longitudinal direction of the snowboard 12, operations such as turning operations and jumping operations during gliding become easier, and the controllability of the snowboard 12 is improved.

[0059] In addition, even after the above-described center-of-gravity shift, the bottom surface 13A of the binding device 13 is supported by the base portion 21 in a state of surface contact with the top surface 12A of the snowboard 12. Accordingly, the binding device 13 continues to be fixed on the snowboard 12 in a stable state. Further, since the base portion 21 is formed of a resin material and has an elastic force, even when the user returns to the upright state, the user is assisted by the reaction force with which the base portion 21 tries to return to its original state.

[0060] Furthermore, as described above, the plate thickness T3 of the outer peripheral wall portion 24 of the base portion 21 is the same as the plate thickness T1 of the support portion 25 of the base portion 21, and the outer peripheral wall portion 24 is in a state of surface contact with the top surface 12A of the snowboard 12. Then, due to the load of the user or the like, the outer peripheral wall portion 24 is in a state of being pressed against the top surface 12A of the snowboard 12. In addition, by forming the triangular reinforcing ribs on the base portion 21, the rigidity of the four corner portions 21R of the base portion 21 is increased.

[0061] As a result, it becomes difficult for the base portion 21 around the corner portion 21R to be pushed by the snow and turned up, and it becomes difficult for the snow to enter between the base portion 21 and the snowboard 12. By preventing the intrusion of snow and particularly maintaining the gap between the center-of-gravity adjustment portion 26 of the base portion 21 and the top surface 12A of the snowboard 12 as appropriate, it becomes easier for the user to shift the center of gravity, and the controllability of the snowboard 12 by the user is improved.

[0062] Finally, a modified example of the base 21 described above will be explained with reference to FIGS. 6A to 7B. FIGS. 6A to 7B are bottom views for explaining the skating aid 10 of the present embodiment. In the following description, the same reference numerals are generally used for the same members as those of the skating aid 10, and the above-described explanations are referred to, and repeated explanations are omitted.

[0063] As shown in FIG. 6A, the skating aid 10 has a plate-shaped base 51 formed by injection molding a resin material such as ABS resin. The base 51 is formed, for example, in a substantially square shape in plan view, and the four corner portions 51R have a curved surface shape.

[0064] The dashed line 52 indicates the boundary between the support portion 25 and the center-of-gravity adjustment portion 26. Similar to the base 21 described above, the base 51 has a support portion 25 and center-of-gravity adjustment portions 26 on both sides in the left-right direction of the paper surface of the support portion 25. The support portion 25 is formed as a plate-like body having the same plate thickness T1, and a plurality of mounting holes 22 are formed in the support portion 25.

[0065] Further, the center-of-gravity adjustment portion 26 is formed as a plate-like body having a plate thickness T2, and the plate thickness T2 becomes thinner in an inclined shape or a curved shape, for example, from the support portion 25 toward the outer peripheral wall portion 24. The outer peripheral wall portion 24 is formed around the center-of-gravity adjustment portion 26, and the plate thickness T3 of the outer peripheral wall portion 24 is the same as the plate thickness T1.

[0066] With this structure, when the base 51 is mounted between the binding device 13 and the top surface 12A of the skating board 12, the same effects as those of the base 21 described above can be obtained.

[0067] As shown in FIG. 6B, the skating aid 10 has a plate-shaped base 61 formed by injection molding a resin material such as ABS resin. The base 61 is formed, for example, in a substantially square shape in plan view, and the four corner portions 61R have a curved surface shape.

[0068] The dashed line 62 indicates the boundary between the support portion 25 and the center-of-gravity adjustment portion 26. Similar to the base portion 21 described above, the base portion 61 has the support portion 25 and the center-of-gravity adjustment portions 26 on both sides of the support portion 25 in the longitudinal direction. A plurality of mounting holes 22 are formed in the central portion of the base portion 61.

[0069] On the back surface 61A side of the base portion 61, a plurality of concentric wall portions 63 surrounding the mounting holes 22 and an outer peripheral wall portion 24 along the outer peripheral edge portion of the base portion 61 are formed. The wall portions 63 in the region of the support portion 25 are formed with the same plate thickness T1. On the other hand, the wall portions 63 in the region of the center-of-gravity adjustment portion 26 are formed with a plate thickness T2. And the plate thickness T2 becomes thinner in an inclined shape or a curved shape, for example, from the support portion 25 toward the outer peripheral wall portion 64.

[0070] The outer peripheral wall portion 64 is around the wall portion 63 and is formed for one round along the outer peripheral edge portion of the base portion 61. And the plate thickness T3 of the outer peripheral wall portion 64 is the same as the plate thickness T1. Incidentally, on the surface side of the base portion 61, a plate-like body with the same plate thickness is formed.

[0071] With this structure, when the base portion 61 is mounted between the binding device 13 and the top surface 12A of the sliding plate 12, the same effects as those of the base portion 21 described above can be obtained.

[0072] As shown in FIG. 7A, the sliding assist device 10 has a plate-like base portion 71 formed by injection molding a resin material such as an ABS resin. The base portion 71 is formed, for example, in a substantially square shape in plan view, and the four corner portions 71R have a curved surface shape.

[0073] The dashed line 72 indicates the boundary between the support portion 25 and the center-of-gravity adjustment portion 26. Similar to the base portion 21 described above, the base portion 71 has the support portion 25 and the center-of-gravity adjustment portions 26 on both sides of the support portion 25 in the longitudinal direction. A plurality of mounting holes 22 are formed in the central portion of the base portion 71.

[0074] The base 71 has a wall portion 73 and an outer peripheral wall portion 74, similar to the base 61 shown in FIG. 6B. The plurality of wall portions 73 extend in the longitudinal direction of the sliding plate 12 and are formed in a stripe shape.

[0075] The wall portions 73 in the region of the support portion 25 are formed with the same plate thickness T1. On the other hand, the wall portions 73 in the region of the center of gravity adjustment portion 26 are formed with a plate thickness T2. And the said plate thickness T2 becomes thin in an inclined shape or a curved shape, for example, from the support portion 25 toward the outer peripheral wall portion 74. Incidentally, the plate thickness T3 of the outer peripheral wall portion 74 is the same as the said plate thickness T1.

[0076] With this structure, when the base 71 is mounted between the binding device 13 and the top surface 12A of the sliding plate 12, the same effect as that of the above-described base 21 can be obtained.

[0077] As shown in FIG. 7B, the sliding assist device 10 has a plate-shaped base 81 formed by injection molding a resin material such as an ABS resin. The base 81 is formed, for example, in a substantially square shape in plan view, and the four corner portions 81R have a curved surface shape.

[0078] The dashed line 82 indicates the boundary between the support portion 25 and the center of gravity adjustment portion 26. Similar to the above-described base 21, the base 81 has a support portion 25 and center of gravity adjustment portions 26 on both sides in the longitudinal direction of the support portion 25. And a plurality of mounting holes 22 are formed in the central portion of the base 81.

[0079] The base 81 has a wall portion 83 and an outer peripheral wall portion 84, similar to the base 61 shown in FIG. 6B. The plurality of wall portions 83 extend in the longitudinal direction and the short hand direction of the sliding plate 12 and are formed in a lattice shape.

[0080] The wall portions 83 in the region of the support portion 25 are formed with the same plate thickness T1. On the other hand, the wall portions 83 in the region of the center of gravity adjustment portion 26 are formed with a plate thickness T2. And the said plate thickness T2 becomes thin in an inclined shape or a curved shape, for example, from the support portion 25 toward the outer peripheral wall portion 84. Incidentally, the plate thickness T3 of the outer peripheral wall portion 84 is the same as the said plate thickness T1.

[0081] With this structure, the base 81 is mounted between the top surface 12A of the sliding plate 12 and the binding device 13, so that the same effects as those of the base 21 described above can be obtained.

Explanation of Reference Numerals

[0082] 10 Sliding assist tool 11 Sliding tool 12 Sliding plate 12A Top surface 13 Binding device 13A Bottom surface 14 Screw 21 Base 21A Surface 21B Back surface 21R Corner part 22 Mounting hole 23 Wall part 23A First wall part 23B Second wall part 23C Third wall part 24 Outer peripheral wall part 25 Support part 26 Center of gravity adjustment part 32 Snow boots 51 Base 51R Corner part 61 Base 61A Back surface 61R Corner part 63 Wall part 64 Outer peripheral wall part 71 Base 71R Corner part 73 Wall part 74 Outer peripheral wall part 81 Base 81R Corner part 83 Wall part 84 Outer peripheral wall part

Claims

1. A skating aid disposed between a skating board and a binding device attached to the skating board, wherein the skating aid comprises: a base; a support portion formed on the base, contacting the skating board and the binding device, and supporting the binding device; a center-of-gravity adjusting portion formed on the base around the support portion and formed thinner than the support portion; the center-of-gravity adjusting portion is disposed at least below a part of the lateral end of the bottom surface of the binding device and its peripheral region; the center-of-gravity adjusting portion is characterized in that it comes into contact or does not come into contact with the skating board according to the skating condition of the skating board.

2. The base is formed of a material softer than the skating board, the skating aid according to claim 1, wherein the center-of-gravity adjusting portion is formed on both sides of the support portion in the longitudinal direction of the skating board.

3. An outer peripheral wall portion is formed around the support portion and the center-of-gravity adjusting portion on the base, the skating aid according to claim 2, wherein the outer peripheral wall portion is formed with the same thickness as the support portion.

4. The skating aid according to claim 3, wherein the support portion and the center-of-gravity adjusting portion are formed by a plurality of wall portions.

5. The skating aid according to claim 3 or claim 4, wherein the center-of-gravity adjusting portion is formed to be thinner from the support portion toward the outer peripheral wall portion.

6. A skating device, characterized in that the skating aid according to any one of claims 1 to 5 is fixed to the skating board between the skating board and a binding device attached to the skating board.

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