JP6001117B2 - Skateboard and skateboard members - Google Patents

Description

  The present invention relates to a skateboard member for constituting a skateboard.

  A conventional skateboard includes a deck, a bottom plate, a wheel shaft frame having a through hole, a fastening bar for fastening the wheel shaft frame to the bottom plate by passing through the through hole of the wheel shaft frame, and a fastening bar and a through hole. A buffer member provided between the two holes and a wheel pivotally connected to both ends of the two wheel shaft frames are provided.

  Conventional skateboards can only slide on flat road surfaces. Although the direction changing function can be imparted to the skateboard by installing the buffer member, there is no place to contribute to sliding on uneven road surfaces or steeply undulating road surfaces such as stairs.

US Patent Application Publication No. 20140197611

  Therefore, it is an extremely important issue to provide a skateboard member that allows a user to easily slide on a rough road surface and a skateboard having the skateboard member.

  Accordingly, in order to solve the various problems of the above-described prior art, the present invention provides a skateboard member including a bottom plate, a wheel shaft frame, a wheel frame, a wheel, a keel, and a deck. Objective.

  Further, the present invention provides a bottom plate having a plurality of first through holes provided on the periphery thereof, and is formed on the bottom plate, and a second through hole is provided at one end opposite to the bottom plate. An ear portion having a first stopper portion provided around the inner edge of the through-hole, and a first convex portion formed on the bottom plate and having a first groove, the ear portion and the first portion Is provided on the same side of the bottom plate, and the cross-section of the second through hole is orthogonal to the bottom plate.

  In the aspect of the invention, the skateboard member further includes a wheel shaft frame, and the wheel shaft frame includes a second convex portion formed on one side of the wheel shaft frame, and the wheel shaft. A third through hole provided on the opposite side of the second convex portion of the frame, the third through hole having a second stopper portion provided on the inner edge thereof, and the wheel shaft frame Each of the two shaft steps that are perpendicular to each other and extend outward, each of which is provided with a first position limiting member in the vicinity of the wheel shaft frame, and the second convex portion A first buffer member having a second groove covered at the tip of the first buffer member, a second buffer member having a through hole, a third buffer member having a through hole, and a first buffer member having a through hole. A washer and a second washer having a through hole; A first fastening member and a second fastening member that is coupled to the first fastening member and fastens the wheel shaft frame to the bottom plate, and a third concave groove is formed in the bottom plate. A fourth through hole is formed on the ear portion on the side facing the first convex portion, and the third concave groove communicates with the fourth through hole.

  In the skateboard member as one aspect of the present invention, the first buffer member is provided in the first concave groove, and the second convex portion is accommodated in the second concave groove. The first fastening member includes a through hole of the first washer, a through hole of the second buffer member, the third through hole, a through hole of the third buffer member, and the second washer. The second fastening member and the second fastening member are fastened to each other by extending through the through-hole and the fourth through-hole and extending into the third concave groove.

  The skateboard member according to an aspect of the present invention may further include a wheel frame, the wheel frame being a pivot hole that pivots on the shaft stage, on one side facing the wheel shaft frame. A pivot hole provided with a second position limit member corresponding to the first position limit member, and extending from opposite sides of the pivot hole to form a predetermined angle; A first block and a second block provided with a wheel shaft at one end away from the hole; a third washer having a through hole; a fourth washer having a through hole; A fourth buffer member interposed between the third washer and the fourth washer, and a third fastening member.

  In the skateboard member according to one aspect of the present invention, the shaft stage includes the pivot hole, the third washer through hole, the fourth washer through hole, and the fourth washer through hole. The wheel frame is pivotally connected to the shaft stage by being coupled to the third fastening member, and the first position limiting member and the second position limiting member are connected to the wheel shaft frame. The pivot width of the wheel frame is regulated.

  In the aspect of the invention, the skateboard member may further include a plurality of wheels that are pivotally connected to the wheel shaft.

  In one aspect of the present invention, the skateboard member is provided with fifth through holes at opposite ends, and a third stopper portion is provided at an inner edge of the fifth through hole. And a fifth buffer member having a through hole, a fifth washer having a through hole, a fourth fastening member, and a fifth fastening member.

  Further, in the skateboard member as one aspect of the present invention, one side of the fifth buffer member is in contact with the first stopper portion and is back-to-back with the one side of the fifth buffer member. The other side of the fifth washer is in contact with the third stopper portion, and the other side of the fifth washer is in contact with the third stopper portion. The fastening member 4 passes through the fifth through hole, the through hole of the fifth washer, and the through hole of the fifth buffer member, and is coupled to the fifth fastening member so that the keel Fastened to the ear.

  In one embodiment of the present invention, the skateboard member includes a deck provided with a sixth through hole and a plurality of seventh through holes, a plurality of sixth fastening members, and a plurality of seventh fastenings. And a plurality of sixth fastening members that pass through the seventh through hole and the plurality of first through holes corresponding to the seventh through hole, respectively. And the deck is fixed to the bottom plate.

  Compared with the prior art, the skateboard and the skateboard member according to the present invention can support the skateboard so as to be able to slide on a rough road surface by the keel structure coupled to the bottom plate. Moreover, the stability of the skateboard sliding on a rough road surface can be improved by a combination of the wheel shaft, the wheel shaft frame, the buffer member, the position limiting member, and the wheel.

It is a three-dimensional schematic diagram of members, such as a baseplate of a skateboard member and a wheel shaft frame, according to the present invention. It is a three-dimensional schematic diagram of members, such as a baseplate of a skateboard member and a wheel shaft frame, according to the present invention. It is a three-dimensional schematic diagram of members, such as a baseplate of a skateboard member concerning the present invention, a wheel axis frame, a wheel axis, and a wheel. It is a three-dimensional schematic diagram of members, such as a baseplate of a skateboard member concerning the present invention, a wheel axis frame, a wheel axis, a wheel, a keel. 1 is a schematic configuration diagram of a skateboard including a bottom plate, a wheel shaft frame, a wheel shaft, a wheel, a keel, and a deck of a skateboard member according to the present invention.

  Hereinafter, embodiments of the present invention will be described using specific examples. Those skilled in the art can easily understand other advantages and effects of the present invention according to the description in the present specification. The present invention can be applied by other different embodiments, and various modifications and changes can be made without departing from the gist of the present invention based on different viewpoints and applications. It is. Such modifications and changes are intended to fall within the scope of the present invention.

  The present invention provides a skateboard including a skateboard member including a bottom plate, a wheel shaft frame, a wheel frame, a wheel, a keel, and a deck.

  As shown in FIGS. 1A and 1B, the skateboard member constituting the skateboard according to the present invention includes a bottom plate 10, an ear portion 11, a first convex portion 12, and a wheel shaft frame 20.

  In this embodiment, the bottom plate 10 has a flat plate structure, and a plurality of first through-holes 101 are provided on the periphery, and the number thereof can be adjusted according to actual needs. In this embodiment, three first through holes 101 are provided on both sides of the bottom plate 10, for a total of six first through holes 101. The bottom plate 10 is formed with a third concave groove 102.

  The ear portion 11 is formed on the bottom plate 10, a second through hole 111 is provided at the end opposite to the bottom plate 10, and a first stopper portion 112 is provided at the inner edge of the second through hole 111. ing. In this embodiment, the ear 11 extends from one side of the bottom plate 10 and is orthogonal to the bottom plate 10, and the cross section of the second through-hole 111 is orthogonal to the surface of the bottom plate 10 on which the ear 11 is formed.

  The first convex portion 12 and the ear portion 11 are formed on the same side of the bottom plate 10, and the first convex portion 12 has a first concave groove 121. In this embodiment, the first convex portion 12 has a wedge-shaped structure, and the first concave groove 121 is provided on the side facing the ear portion 11.

  A fourth through hole 113 is provided on the side of the ear portion 11 facing the first convex portion 12, and the third concave groove 102 communicates with the fourth through hole 113.

  The wheel shaft frame 20 includes a second convex portion 201, a third through hole 202, a second stopper portion 203, two shaft steps 204, a first buffer member 211, and a second buffer member 212. And a third buffer member 213.

  The second convex portion 201 is formed on one side of the wheel shaft frame 20. The third through hole 202 is formed on the opposite side of the wheel shaft frame 20 from the second convex portion 201, and a second stopper portion 203 is provided around the inner edge of the third through hole 202.

  Each of the two shaft stages 204 is perpendicular to the wheel shaft frame 20 and extends outward, and a first position limiting member 2041 is formed at a location close to the wheel shaft frame 20. Preferably, the first position limiting member 2041 is made of, for example, rubber or nylon, and may be made of a material having elasticity. The two shaft stages 204 are formed with a thread 2042 at the end opposite to the first position limiting member 2041.

  The first buffer member 211 includes a second concave groove 2111 that covers the tip of the second convex portion 201 and is at least partially covered by the second convex portion 201.

  The second buffer member 212 and the third buffer member 213 have through holes 2121 and 2131, respectively. The second buffer member 212 and the third buffer member 213 are made of, for example, rubber or nylon and have an elastic force. It may be a material. In this embodiment, the second buffer member 212 and the third buffer member 213 have a truncated cone shape, for example, a shape in which the cross-sectional area gradually decreases from one end to the other end. It may be a shape.

  The first washer 214 and the second washer 215 also include through holes 2141 and 2151 having cross-sectional areas corresponding to the through holes 2121 and 2131, respectively.

  The first fastening member 216 is, for example, a screw or a bolt with a screw corresponding to the through holes 2121 and 2151 and the through holes 2121 and 2131 and has a thread 2161 formed at the tip thereof. Reference numeral 217 denotes a nut corresponding to the first fastening member 216, for example, and is fastened and coupled to the first fastening member 216.

  Specifically, in this embodiment, the first buffer member 211 is provided in the first concave groove 121, and the second convex portion 201 is accommodated in the second concave groove 2111. One side of the second buffer member 212 and the third buffer member 213 which have a large cross-sectional area is in contact with the back-to-back sides of the second stopper portion 203. The first fastening member 216 includes a through hole 2141 of the first washer 214, a through hole 2121 of the second buffer member 212, a third through hole 202, a through hole 2131 of the third buffer member 213, and a second By passing through the through hole 2151 and the fourth through hole 113 of the washer 215 and extending into the third concave groove 102, the second shaft fastening member 217 and the second fastening member 217 are fastened to each other. Is fastened to the bottom plate 10.

  As shown in FIG. 2, the skateboard according to the present invention further includes a wheel frame 30. The wheel frame 30 includes a pivot hole 301 and two blocks 303 extending from opposite sides of the pivot hole 301.

  The pivot hole 301 pivots with the shaft step 204, and a second position limiting member 302 corresponding to the first position limiting member 2041 is provided on one side facing the wheel shaft frame 20. As shown in FIG. 2, in this embodiment, the first position limiting member 2041 has, for example, a curved surface structure in which both opposing sides are gradually lowered from both adjacent sides, and the second position limiting member 302 is the first position. Although the configuration is the same as that of the limiting member 2041, the angle is rotated 90 degrees and provided inside the pivot hole 301.

  The two blocks 303 form a predetermined angle, and a wheel shaft 304 is provided at one end away from the pivot hole 301.

  The third washer 311 has a through hole 3111, the fourth washer 312 has a through hole 3121, the fourth buffer member 321 has a through hole 3211, and the fourth buffer member 321 has a third hole. It is interposed between the washer 311 and the fourth washer 312. The through hole 3111, the through hole 3121, and the through hole 3211 may have the same cross-sectional area. The fourth buffer member 321 is made of, for example, rubber or nylon, and may be a truncated cone or a column shape having elasticity, but is not limited thereto.

  The third fastening member 331 may be a nut corresponding to the thread 2042 of the shaft stage 204, for example.

  In this embodiment, the shaft stage 204 passes through the pivot hole 301, the through hole 3111, the through hole 3211, and the through hole 3121 and is coupled to the third fastening member 331, so that the wheel frame 30 is coupled to the shaft stage 204. It is pivoted to. As described above, the first position restricting member 2041 and the second position restricting member 302 have curved surfaces facing each other, so that the pivoting width of the wheel frame 30 relative to the wheel shaft frame 20 can be restricted.

  In this embodiment, the skateboard according to the present invention further includes a plurality of wheels 41, and a screw thread 3041 is formed at an end of the wheel shaft 304 opposite to the block 303. For example, the wheel 41 can be pivotally connected to the wheel shaft 304 by coupling the fourth fastening member 42 that is a nut corresponding to the screw thread 3041 and the screw thread 3041.

  As described above, since the two blocks 303 form a predetermined angle, the direction in which the wheel frame 30 is directed to the ground contacted by the wheel 41 is smaller than 180 degrees, for example, 170 degrees or 160 degrees. As a result, the wheel frame 30 has a V-shaped structure.

  Preferably, a fifth washer 332 is interposed between the fourth washer 312 and the third fastening member 331, and between the wheel 41 and the wheel shaft 304 and between the wheel 41 and the fourth fastening member. A sixth washer 421 may be further interposed between the member 42 and the member 42.

  As shown in FIG. 3, the skateboard according to the present invention includes a keel 50, a fifth buffer member 51, a seventh washer 52, a fourth fastening member 53, and a fifth fastening member 54. In addition.

  Fifth through holes 501 are provided at opposite ends of the keel 50, and a third stopper portion 502 is provided around the inner edge of the fifth through hole 501. In this embodiment, the two keels 50 are coupled to each other with two bottom plates 10 to which the wheel shaft frame 20 is coupled. Details of the method of joining these members will be described later.

  The fifth buffer member 51 has a through hole 511, and the fifth washer 52 has a through hole 521. In order to correspond to an embodiment in which two keel 50 are combined with two wheel shaft frames 20 and two bottom plates 10, four fifth buffer members 51 are combined with four fifth washers 52. I will explain. The fifth buffer member 51 is made of, for example, rubber or nylon, and may be made of a material having elasticity. The fifth buffer member 51 has, for example, a truncated cone shape, but may have a columnar structure, for example, a cylindrical shape.

  It should be noted that the number of the keel 50 can be adjusted as necessary, and the number of the fifth shock absorbing member 51 and the fifth washer 52 is the number of the keel 50 corresponding to the wheel shaft frame 20 and the bottom plate 10. It can be adjusted according to the quantity.

  The fourth fastening member 53 is, for example, a screw or a threaded bolt corresponding to the second through hole 111, the through hole 511, and the through hole 521, and has a thread 531 formed at the tip thereof. The fastening member 54 is a nut corresponding to the fourth fastening member 53, for example, and is used for fastening and coupling to the fourth fastening member 53.

  As described above, when the two keel bones 50 are coupled to the two wheel shaft frames 20 and the two bottom plates 10, the fifth buffer member 51 has one side having a large cross-sectional area on the first stopper portion 112. The other side opposite to the first stopper portion 112 of the two fifth buffer members 51 is in contact with the corresponding fifth washer 52 and is contacted by the fifth buffer member 51. The other side of the two fifth washers 52 on the opposite side is in contact with the third stopper portion 502 of each corresponding keel 50, and the fourth fastening member 53 has two fifth through holes 501, 2. By passing through the through-holes 511 of the five fifth buffer members 51 and the through-holes 521 of the two fifth washers 52 and connecting to the fifth fastening member 54, the front and rear of the two keels 50 are respectively 2 One By being fastened to the ear portion 11, the two keel 50 is coupled together with the two bottom plates 10 and two wheel axle frame 20.

  As shown in FIG. 4, the skateboard according to the present invention further includes a deck 60, a plurality of sixth fastening members 61, and a plurality of seventh fastening members 62. The deck 60 is provided with a sixth through hole 601 and a plurality of seventh through holes 602. The plurality of sixth fastening members 61 are, for example, screws corresponding in size to the first through-hole 101 and the seventh through-hole 602, and a thread (not shown) is formed at the tip thereof. The seventh fastening member 62 is, for example, a nut corresponding to the sixth fastening member 61, and the sixth fastening member 61 is used to be fastened and coupled to the seventh fastening member 62.

  As described above, this embodiment will be described with reference to the embodiment shown in FIG. The plurality of sixth fastening members 61 pass through the seventh through holes 602 and the plurality of first through holes 101 corresponding to the seventh through holes 602, respectively, and the corresponding seventh fastening members 62 and each other. By being coupled, the deck 60 is fixed to the two bottom plates 10, and is coupled to the two wheel frames 30 and the eight wheels 41 through the two ear portions 11 and the two first convex portions 12.

  The point to be noted here is that each of the above washers can be selectively used according to each member, that is, the connection of each member can be used as needed without using the washer. .

  As described above, the skateboard and the skateboard member according to the present invention can support the skateboard so as to be able to slide on a rough road surface by the keel structure coupled to the bottom plate. Moreover, the stability of the skateboard sliding on a rough road surface can be improved by a combination of the wheel shaft, the wheel shaft frame, the buffer member, the position limiting member, and the wheel.

  As described above, these embodiments are merely illustrative of the principles, effects, and functions of the present invention, and the present invention is not limited thereto. The present invention can be modified and changed by those skilled in the art without departing from the spirit of the present invention, and such modifications and changes fall within the scope of the claims of the present invention. is there.

  DESCRIPTION OF SYMBOLS 10 Bottom plate, 101 1st through-hole, 102 3rd concave groove, 11 Ear part, 111 2nd through-hole, 112 1st stopper part, 113 4th through-hole, 12 1st convex part, 121 First concave groove, 20 wheel shaft frame, 201 second convex portion, 202 third through hole, 203 second stopper portion, 204 shaft stage, 2041 first position limiting member, 2042 screw thread, 211 first 1 buffer member, 2111 second concave groove, 212 second buffer member, 2121 through-hole, 213 third buffer member, 2131 through-hole, 214 first washer, 2141 through-hole, 215 second washer, 2151 through hole, 216 first fastening member, 2161 thread, 217 second fastening member, 30 wheel frame, 301 pivot hole, 302 second position limiting member, 303 , 304 wheel shaft, 3041 thread, 311 third washer, 3111 through hole, 312 fourth washer, 3121 through hole, 321 fourth buffer member, 3211 through hole, 331 third fastening member, 332 5th washer, 41 wheel, 42 4th fastening member, 421 6th washer, 50 keel, 501 5th through hole, 502 3rd stopper part, 51 5th buffer member, 511 through hole, 52 Fifth washer, 521 through hole, 53 fourth fastening member, 531 thread, 54 fifth fastening member, 60 deck, 601 sixth through hole, 602 seventh through hole, 61 sixth fastening member 62 A seventh fastening member.

Claims (13)

A bottom plate provided with a plurality of first through holes on the periphery;
An ear portion formed on the bottom plate, provided with a second through hole at an end opposite to the bottom plate, and a first stopper portion provided around the inner edge of the second through hole;
A first convex portion formed on the bottom plate and having a first concave groove;
With
The ear portion and the first convex portion are formed on the same side of the bottom plate, and a cross section of the second through hole is orthogonal to the bottom plate ,
A wheel shaft frame, the wheel shaft frame comprising:
A second protrusion formed on one side of the wheel shaft frame;
A third through hole provided on a side opposite to the second convex portion of the wheel shaft frame, and a third through hole in which a second stopper portion is annularly provided at an inner edge thereof;
Two shaft stages each extending perpendicularly to the wheel shaft frame and extending outward, wherein the first shaft is provided with a first position limiting member at a position close to the wheel shaft frame;
A first shock-absorbing member having a second concave groove that covers the tip of the second convex portion;
A first fastening member;
A second fastening member coupled to the first fastening member for fastening the wheel axle frame to the bottom plate;
A third groove is formed in the bottom plate, a fourth through hole is formed on a side of the ear portion facing the first protrusion, and the third groove is A skateboard member communicating with the fourth through hole . The first buffer member further includes a second buffer member and a third buffer member having a through hole. The first buffer member is provided in the first concave groove, and the second convex portion is the second concave member. The first fastening member passes through the through hole of the second buffer member, the third through hole, the through hole of the third buffer member, and the fourth through hole. The skateboard member according to claim 1 , wherein the skateboard member is fastened to the second fastening member by extending into the third concave groove. It further includes a first washer and a second washer having a through hole, wherein the first buffer member is provided in the first concave groove, and the second convex portion is in the second concave groove. And the first fastening member includes a through hole of the first washer, a through hole of the second buffer member, the third through hole, a through hole of the third buffer member, claim 2, characterized in that it is fastened together with the second fastening member by extending in the third recessed groove with penetrating holes and said fourth through hole of the second washer The skateboard member as described in 2. A bottom plate provided with a plurality of first through holes on the periphery;
Formed on the bottom plate, provided with a second through hole at an end opposite to the bottom plate, and provided with a first stopper at an inner edge of the second through hole, A cross section having a cross section orthogonal to the bottom plate,
Formed on the bottom plate, having a first groove, formed on the same side of the bottom plate together with the ear, and a first convex portion;
A wheel shaft frame fastened to the bottom plate;
A wheel frame pivotally connected to the wheel shaft frame;
A wheel pivoted on the wheel frame;
A keel fastened to the ear,
A deck fixed to the bottom plate;
With
The wheel shaft frame is
A second protrusion formed on one side of the wheel shaft frame;
A third through hole provided on a side opposite to the second convex portion of the wheel shaft frame, and a third through hole in which a second stopper portion is annularly provided at an inner edge thereof;
Two shaft stages each extending perpendicularly to the wheel shaft frame and extending outward, wherein the first shaft is provided with a first position limiting member at a position close to the wheel shaft frame;
A first shock-absorbing member having a second concave groove that covers the tip of the second convex portion;
A first fastening member;
A second fastening member coupled to the first fastening member for fastening the wheel axle frame to the bottom plate;
A third groove is formed in the bottom plate, a fourth through hole is formed on a side of the ear portion facing the first protrusion, and the third groove is A skateboard characterized by communicating with the fourth through hole . The first buffer member further includes a second buffer member and a third buffer member having a through hole. The first buffer member is provided in the first concave groove, and the second convex portion is the second concave member. The first fastening member passes through the through hole of the second buffer member, the third through hole, the through hole of the third buffer member, and the fourth through hole. The skateboard according to claim 4 , wherein the skateboard is fastened to the second fastening member by extending into the third concave groove. It further includes a first washer and a second washer having a through hole, wherein the first buffer member is provided in the first concave groove, and the second convex portion is in the second concave groove. And the first fastening member includes a through hole of the first washer, a through hole of the second buffer member, the third through hole, a through hole of the third buffer member, claim characterized in that it is fastened together with the second fastening member by extending in the third recessed groove with penetrating holes and said fourth through hole of the second washer 5 Skateboard as described in. The wheel frame is
A pivot hole pivotally connected to the shaft stage, wherein the second position restriction member corresponding to the first position restriction member is provided on one side facing the wheel shaft frame; and
A first block and a second block that extend from opposite sides of the pivot hole, form a predetermined angle, and have a wheel shaft at one end away from the pivot hole;
A fourth buffer member having a through hole;
With
The shaft stage penetrates the pivot hole and the through hole of the fourth buffer member and is coupled to a third fastening member so that the wheel frame is pivoted to the shaft stage. Item 5. The skateboard according to item 4 . The shaft stage further includes a third washer and a fourth washer having a through hole, and the shaft stage includes the pivot hole, the through hole of the third washer, the through hole of the fourth buffer member, and the fourth washer. The wheel frame is pivotally connected to the shaft step by passing through the through-hole and coupling with the third fastening member, and the first position limiting member and the second position limiting member are The skateboard according to claim 7 , wherein a pivot width of the wheel frame with respect to a wheel shaft frame is restricted. The skateboard according to claim 7 , wherein the wheel is pivotally connected to the wheel shaft. Said at opposite ends of the keel is provided with a fifth through hole to claim 4, characterized in that said inner edge of the fifth through holes third stopper part is provided The listed skateboard. A fifth buffer member having a through hole, a fourth fastening member, and a fifth fastening member are further provided, and one side of the fifth buffer member is in contact with the first stopper portion, and The one side of the buffer member 5 and the other side of the back-to-back contact the third stopper portion, so that the fourth fastening member penetrates the fifth through hole and the fifth buffer member. 11. The skateboard according to claim 10 , wherein the keel is fastened to the ear portion by passing through a hole and being coupled to the fifth fastening member. A fifth buffer member having a through hole, a fourth fastening member, a fifth fastening member, and a fifth washer having a through hole are further included, and one side of the fifth buffer member is the first buffer member. The one side of the fifth buffer member and the other side back to back are in contact with the fifth washer, and the fifth buffer member is in contact with the fifth buffer member. And the other side of the back-to-back is in contact with the third stopper portion, and the fourth fastening member is formed of the fifth through hole, the fifth washer through hole, and the fifth buffer member. 11. The skateboard according to claim 10 , wherein the keel is fastened to the ear portion by passing through a through hole and being coupled to the fifth fastening member. The deck is provided with a plurality of seventh through holes, and the plurality of sixth fastening members includes the seventh through holes and the plurality of first through holes corresponding to the seventh through holes. 5. The skateboard according to claim 4 , wherein the deck is fixed to the bottom plate by passing through and coupling with a seventh fastening member.

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