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KR101005429B1 - Caster skating wheel - Google Patents

Caster skating wheel Download PDF

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Publication number
KR101005429B1
KR101005429B1 KR1020060087778A KR20060087778A KR101005429B1 KR 101005429 B1 KR101005429 B1 KR 101005429B1 KR 1020060087778 A KR1020060087778 A KR 1020060087778A KR 20060087778 A KR20060087778 A KR 20060087778A KR 101005429 B1 KR101005429 B1 KR 101005429B1
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South Korea
Prior art keywords
support plate
wheel
wheel outer
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caster
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KR20070092084A (en
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박경희
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박경희
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    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63CSKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C17/00Roller skates; Skate-boards
    • A63C17/0033Roller skates; Skate-boards with a castor wheel, i.e. a swiveling follow-up wheel
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63CSKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C17/00Roller skates; Skate-boards
    • A63C17/26Roller skates; Skate-boards with special auxiliary arrangements, e.g. illuminating, marking, or push-off devices
    • A63C17/262Roller skates; Skate-boards with special auxiliary arrangements, e.g. illuminating, marking, or push-off devices with foot bindings or supports therefor
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63CSKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C2203/00Special features of skates, skis, roller-skates, snowboards and courts
    • A63C2203/02Special features of skates, skis, roller-skates, snowboards and courts enabling transverse riding, i.e. with one runner or skate per foot and direction transverse to the foot

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  • Motorcycle And Bicycle Frame (AREA)

Abstract

본 발명은 차륜(車輪, Wheel)이 구비된 보드(Board)와 상기 보드에 탑승자를 탑승시키고 지면에서 스케이팅을 하는 스케이트보드(Skateboard)에 관한 것이다.

Figure R1020060087778

차륜(車輪) : Wheel, Roller

The present invention relates to a board provided with a wheel and a skateboard for boarding a passenger on the board and skating on the ground.

Figure R1020060087778

Wheel: Wheel, Roller

Description

캐스터 스케이팅 차륜{omitted}Caster skating wheel

도1a 내지 도1c는 본 발명의 제1 실시례:1A-1C illustrate a first embodiment of the present invention:

도1a 평면도; 정면도; 측면도1A top view; Front view; Side view

도1b 분해사시도1b exploded perspective view

도1c 피봇결합축/캐스터회동축(P)을 두고 방향성 캐스터 수단을 구성하는 지지판부(300)의 분해사시도1C is an exploded perspective view of the support plate portion 300 constituting the directional caster means with a pivot coupling shaft / caster pivot shaft P;

도1d는 본 발명 마찰 저감부의 타 실시례Figure 1d is another embodiment of the present invention friction reducing unit

도1e는 본 발명 지지판의 타 실시례Figure 1e is another embodiment of the support plate of the present invention

도2는 본 발명 탑승의 동작도:2 is an operation of the present invention boarding:

도2a 탑승자의 정면(상기 본 발명 제1 실시례의 측면도)에서 본 동작도2A is an operation view seen from the front of the occupant (side view of the first embodiment of the present invention);

도2b 탑승자의 측면(상기 본 발명 제1 실시례의 정면도)에서 본 동작도Fig. 2B is an operation view seen from the side of the occupant (front view of the first embodiment of the present invention)

도2c 탑승자의 측면(하기 본 발명 제2 실시례의 정면도)에서 본 동작도Fig. 2c An operation view seen from the side of the occupant (the front view of the second embodiment of the present invention below)

도3은 본 발명의 제2 실시례:3 shows a second embodiment of the present invention:

도3a 정면도; 정단면도3a front view; Front section

도3b 정단면 분해도Figure 3b Front section exploded view

도3c 본 발명의 제2-1 실시례로서 정면도; 정단면도3C is a front view of Embodiment 2-1 of the present invention; Front section

도3d 본 발명의 제2-2 실시례로서 정면도; 정단면도3d is a front view as embodiment 2-2 of the present invention; Front section

도4는 본 발명의 제3 실시례:4 is a third embodiment of the present invention:

도4a 정단면도; 측면도; 저면도4a is a front cross-sectional view; Side view; Bottom view

도4b 본 발명의 제3-1 실시례로서 정면도4b is a front view as a third embodiment of the present invention;

도4c 본 발명의 제3-2 실시례로서 정면도4C is a front view of Embodiment 3-2 of the present invention;

도5는 본 발명의 제4 실시례로서 정단면도; 측면도; 저면도5 is a front sectional view as a fourth embodiment of the present invention; Side view; Bottom view

도6는 본 발명의 제5 실시례로서 평면도; 정단면도; 반대측에서 본 측면도6 is a plan view as a fifth embodiment of the present invention; Forward section view; Side view from the other side

본 발명은 차륜(車輪, Wheel)이 구비된 보드(Board)와 상기 보드에 탑승자를 탑승시키고 지면에서 스케이팅을 하는 스케이트보드(Skateboard)에 관한 것으로 더욱 구체적으로,The present invention relates to a board (Board) equipped with a wheel (車輪, Wheel) and a skateboard (Skateboard) for boarding the occupants on the board and skating on the ground more specifically,

산악로와 같은 비포장로를 용이하게 주행하기 위하여, 가능한 최대 직경의 차륜을 구비 가능하도록 보드의 전후방으로 차륜축을 형성하고 있는 선행기술 미합중국 공개공보 US 2003/0122334 A1 "STEERABLE LOCOMOTION DEVICE FOR SPORT OR LEISURE" 내지 US 2005/0280231 A1 "WHEELED TERRAIN BOARD AND FRAME THEREFORE"과 관계를 두고 있다.Prior art US 2003/0122334 A1 "STEERABLE LOCOMOTION DEVICE FOR SPORT OR LEISURE", which forms a wheel axle in front and rear of the board so that wheels of the largest diameter can be provided for easy driving such as a mountain road. US 2005/0280231 A1 "WHEELED TERRAIN BOARD AND FRAME THEREFORE".

하지만, 상기 선행기술 들은 상기 차륜 사이의 축거가 커질 수 밖에 없는 관계로 전체 부피가 크고, 상기 구조를 유지하기 위한 큰 구조로서 중량이 커질 수 밖에 없으며 특히, 좌우 족부를 자유스럽게 각자 동작할 수 없으므로, 다양한 동작 을 발휘할 수 없고 평지 및 오르막길에서 추진력이 부재하는 단점이 있다.However, since the prior art has a large wheelbase between the wheels, the overall volume is large, and as a large structure for maintaining the structure, the weight must be increased, and in particular, since the left and right feet cannot freely operate independently. However, there are disadvantages in that it cannot exert various motions and lacks driving force on flat and uphill roads.

한편, 선행기술 미합중국 공개공보 US 2002/0149166 A1 "BALANCING SKATEBOARD"에서는 한 쌍의 타이어와 상기 타이어 내측에 훗패드를 회동 가능하게 두고 상기 한 쌍의 타이어를 상호 비틀림 렌칭(Wrenching) 가능하도록 연결하는 연결부를 두고 연결하는 스케이트보드 형태를 제시하고 있다.Meanwhile, in the prior art US 2002/0149166 A1 "BALANCING SKATEBOARD", a pair of tires and a rear part of the tire are rotated to allow the rear pads to be rotatable, and the pair of tires are connected to each other to allow a torsional wrenching. It suggests a skateboard form that connects them.

하지만, 상기 선행기술은 상기 연결부를 유지하기 위한 구조로 인하여 보관시에 전체적은 부피를 줄일 수 없고, 구조가 복잡해지고, 중량이 증가하며 특히, 상기 연결부위에 의하여 양 차륜이 구속되므로 양 차륜을 각자 자유롭게 동작시키기에는 한계가 있고 특히,However, the prior art can not reduce the overall volume during storage due to the structure for holding the connection, the structure is complicated, the weight is increased, and in particular, both wheels are constrained by the connection, so that both wheels There is a limit to freely operating each one,

탑승자의 중심이 향하는 측으로 방향이 전환되는 수단이 부재하여 탑승자가 의식적으로 방향전환을 하지 않는한 상기 중심이 향하는 측으로 추락 가능성이 농후하게 된다.There is no means to divert to the side toward which the occupant's center is facing, so there is a high possibility that the occupant will fall to the side facing the center unless he or she turns consciously.

따라서, 본 발명은 최대 직경의 차륜을 사용가능 하면서도 차륜 사이의 축거를 축소, 확대 가능케 하여 부피를 최소, 최대화 할 수 있고 중량을 최소화 하며 특히, 좌우 족부 및 차륜을 자유스럽게 각자 동작 가능케 하여 중심유지가 용이하고 다양한 동작과 강력한 추진력을 발휘할 수 있고 또한, 방향성 캐스터의 진행원리에 따라 탑승자의 중심이 향하는 측으로 방향이 전화되므로 탑승 및 방향전환이 용이하고 추락 가능성이 감소되게 하는 스케이팅 수단을 제공하고자 한다.Accordingly, the present invention allows the wheel of the largest diameter to be used, while minimizing and maximizing the volume by minimizing and enlarging the wheelbase between the wheels, minimizing the weight, and in particular, allowing the left and right foot and the wheels to be freely operated independently. It is possible to provide a skating means that can be easily and variously exerted a variety of motions and a strong driving force, and the direction is changed to the side toward the center of the occupant in accordance with the progress principle of the directional caster to facilitate the boarding and turning and to reduce the possibility of falling .

본 발명은 도1 및 도3에서:1 and 3 the present invention:

지면에 접촉하여 회동하는 환형의 차륜외곽부(100);An annular wheel outer portion 100 that rotates in contact with the ground;

상기 차륜외곽부(100) 내측에 개입되어 회동 결합하는 회동결합부(310)와 탑승자의 족부를 얹는 지지판(320)과 상기 지지판(320)은 상기 회동결합부(310)와 지면에 수직으로 축을 두고 회동가능하도록 피봇결합(P)하되 진행방향에 대하여 소정의 경사각(D)을 보유하여 방향성 캐스터(Directional Caster)의 기능을 하도록 구성하는 지지판부(300);The support plate 320 and the support plate 320 on which the pivot coupling portion 310 interlocks and engages the inside of the wheel outer portion 100 and the foot of the occupant are perpendicular to the pivot coupling portion 310 and the ground. A support plate part 300 configured to function as a directional caster by pivoting to be rotatable and having a predetermined tilt angle D with respect to the traveling direction;

상기 차륜외곽부와 상기 지지판부(300)의 상호 회동 마찰을 줄이는 마찰 저감부(200);A friction reducing unit (200) for reducing mutually rotating friction between the wheel outer portion and the support plate portion (300);

로 구성되고 특히, 상기 구성을 한 쌍 구비하면 도2에서 탑승자는 상기 차륜외곽부(100) 내측에 좌우 양 족부(ft)를 삽입하여 상기 지지판(320)에 족부(ft)를 얹고 상기 양 차륜수단을 각자 동작하여 추진할 수 있다.In particular, if the pair is provided with a pair of the configuration in Figure 2 the occupant inserts the left and right both feet (ft) inside the wheel outer portion 100 to place the foot (ft) on the support plate 320 and the both wheels The means can be operated individually to propel.

상기 마찰 저감부(200)는 도1d에서 상기 차륜외곽부(100)와 상기 회동결합부(310)가 상호 대면하는 즉, 결합하는 상기 차륜외곽부(100) 또는 상기 회동결합부(310)의 어느 일측에 회동축(211)을 두고 회동하는 복수 이상의 롤러(210)로 구성하거나; 도3a처럼 상기 차륜외곽부(100)와 상기 지지판부(300)가 결합하는 사이에 마찰을 줄이도록 개입하는 다수의 베어링(br)일 수 있므며 특히, 도1b를 참조하면 다수의 베어링과 상기 베어링을 하우징하는 호형 또는 환형의 베어링 림(220)을 구성하고 상기 베어링 림(220)를 상기 차륜외곽부(100)와 상기 회동결합부(310) 사이에 개입시켜 결합한다.The friction reducing part 200 of the wheel outer portion 100 and the rotational coupling portion 310 that the wheel outer portion 100 and the rotating coupling portion 310 face each other, that is, coupled in Figure 1d Or a plurality of rollers 210 that rotate with the rotation shaft 211 on either side; 3a may be a plurality of bearings (br) to intervene to reduce friction between the wheel outer portion 100 and the support plate 300, in particular, with reference to Figure 1b An arc or annular bearing rim 220 housing the bearing is formed and the bearing rim 220 is interposed between the wheel outer portion 100 and the pivotal coupling portion 310.

이때, 상기 차륜외곽부(100)와 상기 지지판(320)의 결합각이 진행방향의 좌우측으로 직각인 경우에는 도2b에서 상기 차륜외곽부(100) 족부(ft)를 삽입하게 되면 도면처럼 상기 차륜외곽부(100)를 경사지게 하여야만 탑승자의 신체와의 접촉을 피할 수 있게 되는바 상기 지지판(320) 또한 경사지게 되어 결국, 탑승자의 상기 족부(ft)는 경사진 상태로 주행을 하게되고 진행방향은 방향성 캐스터(Directional Caster)의 원리에 따라 경사진 곳을 향하므로 불편을 초래한다.In this case, when the coupling angle between the wheel outer part 100 and the support plate 320 is perpendicular to the left and right sides of the traveling direction, the wheel outer part 100 is inserted into the foot part ft in FIG. 2B. The support plate 320 is also inclined because the outer part 100 is inclined to avoid contact with the body of the occupant. As a result, the foot ft of the occupant travels in an inclined state and the direction of travel is directional. Directing the inclined place according to the principle of the caster (Directional Caster) causes inconvenience.

따라서 상기 불편의 해소하여 도2c처럼 상기 차륜외곽부(100)를 경사지우면서도 상기 지지판(320)을 지면에 수평하게 하기 위한 구성이 요구되므로, 도3a에서는 상기 지지판부(300)에서 상기 지지판(320)을 상기 차륜외곽부(100)에 대하여 진행방향의 좌우측으로 직각이 아닌 소정의 경사각(N)을 보유하게 하여 주행시에 상기 지지판(320) 및 상기 족부(ft)가 지면과 수평하게 하는 구성을 제시하고 있다.Therefore, since the configuration for leveling the support plate 320 to the ground while inclining the wheel outer portion 100 as shown in Figure 2c to eliminate the inconvenience, in Figure 3a the support plate 300 in the support plate ( The support plate 320 and the feet ft are horizontal to the ground when the vehicle is driven by having a predetermined inclination angle N not perpendicular to the left and right sides of the traveling direction with respect to the wheel outer part 100. Presenting.

또한, 도1e에서 상기 지지판부(300)의 지지판(320)는 족부를 고정할 바인더(Binder)와 같은 족부 고정수단(321)을 구비하여 지면의 요철을 통과하거나 묘기의 공연을 수행할 시에 상기 족부(ft)로 부터의 이탈을 방지 할 수 있다.In addition, the support plate 320 of the support plate 300 in Figure 1e is provided with a foot fixing means 321, such as a binder (Binder) to fix the foot when passing through the unevenness of the ground or performing the performance of the feat The departure from the foot (ft) can be prevented.

한편, 상기 도3a와 같이 상기 경사각(N)이 부여된 경우, 도3b처럼 일 지지판부(300)에 복수 이상의 차륜외곽부(100 / 100a, 100b)를 구비할 수 있으고, 이 경우 탑승자가 중심을 유지하기 좀 더 수월하고 지면의 요철을 통과하기 더욱 쉬운 장점이 있으며 도3c에서와 같이 상호 직경이 다른 차륜외곽부(100a, 100b)를 선택할수도 있다.On the other hand, when the inclination angle (N) is given as shown in Figure 3a, as shown in Figure 3b may be provided with a plurality of wheel outer portion (100 / 100a, 100b) in one support plate 300, in this case the occupant There is an advantage that it is easier to maintain the center and easier to pass through the unevenness of the ground, it is also possible to select the wheel outer portion (100a, 100b) different in diameter as shown in Figure 3c.

도4 및 도5를 참조하면, 차륜외곽부(100)에 원추형의 연장부(111)를 또, 지 지판부 회동결합부(310)에 원추형의 연장부(311)를 형성/구비하고서, 상기 차륜외곽부(100)의 상기 원추형 연장부 꼭지점 단부와 상기 회동결합부(310)의 상기 원추형 연장부 꼭지점 단부 사이에 상기 마찰 저감부(200)를 구비시키는 구성을 제시하고 있는바 이 경우, 상기 마찰 저감부(200)의 직경이 축소되므로 일반 차륜의 회동축 역할을 수행하여 효율적이며 상기 방향성 캐스터와 관련해서, 상기 지지판부(300)의 지지판(320)은 상기 차륜외곽부(100)에 결합시에 상기 차륜외곽부(100)와 진행방향의 좌우로 소정의 경사각을 보유하도록,4 and 5, the cone outer portion 100 has a conical extension 111, and the support plate pivot coupling portion 310 has a conical extension 311. In this case, the friction reducing part 200 is provided between the end of the conical extension part of the wheel outer part 100 and the end of the conical extension part of the pivot coupling part 310. Since the diameter of the friction reducing unit 200 is reduced, it is effective to serve as a rotational shaft of the general wheel, and in relation to the directional caster, the support plate 320 of the support plate 300 is coupled to the wheel outer part 100. In order to maintain a predetermined inclination angle to the left and right in the traveling direction with the wheel outer portion 100,

상기 차륜외곽부(100) 및/또는 상기 지지판부(300)/회동결합부(310)는 원추형 연장부를 형성/구비하고, 상기 차륜외곽부(100)의 상기 연장부 꼭지점 측 일 단부와 상기 지지판부(300)/회동결합부(310)의 상기 연장부 꼭지점 측 일 단부 사이에 상기 마찰 저감부(200)가 형성/구비되고;The wheel outer part 100 and / or the support plate part 300 / rotation coupling part 310 form / contain a conical extension part, and one end of the extension part vertex side of the wheel outer part 100 and the support The friction reducing part (200) is formed / contained between one end of the extension part vertex side of the plate part (300) / rotation coupling part (310);

상기 지지판(320) 및 상기 회동결합부(310)의 상기 연장부 타 단부는 지면에 수직으로 축을 두고 회동가능하도록 피봇결합(P)하되 진행방향에 대하여 소정의 경사각(D)을 보유하여 방향성 캐스터(Directional Caster)의 기능을 하도록 구성가능 하고,The support plate 320 and the other end of the extension part of the pivot coupling part 310 pivotally pivot (P) to be rotatable about an axis perpendicular to the ground, but have a predetermined inclination angle (D) with respect to the direction of movement and a directional caster. Configurable to function as a (Directional Caster),

특히, 도4d에서 상기 차륜외곽부(100) 및/또는 상기 지지판부(300)는 원추형의 가상공간으로 돌출하는 일 이상의 연장부를 형성하고, 상기 차륜외곽부(100) 연장부의 일 단부와 상기 지지판부(300) 연장부의 일 단부 사이에 상기 마찰 저감부(200)가 형성/구비되고 상기 연장부의 타 단부 사이에는 지면에 수직으로 축을 두고 회동가능하도록 피봇결합(P)하되 진행방향에 대하여 소정의 경사각(D)을 보유하 여 방향성 캐스터(Directional Caster)의 기능을 하도록 구성하여 상기 연장부의 중량을 감소시키거나 상기 연장부에 탄력성을 부여할 수 있다.In particular, in FIG. 4D, the wheel outer portion 100 and / or the support plate portion 300 form one or more extensions protruding into a conical virtual space, and one end of the wheel outer portion 100 extension and the support. The friction reducing part 200 is formed / managed between one end of the plate part 300 extension part, and between the other ends of the plate part 300 is pivotally coupled to be rotatable about an axis perpendicular to the ground, and the predetermined direction with respect to the traveling direction. By holding the inclination angle (D) to function as a directional caster (Directional Caster) can reduce the weight of the extension or give elasticity to the extension.

도6에서와 같이 상기 차륜외곽부(100)는 복수 이상의 차륜외곽부(100a, 100b)가 구비되고 상기 지지판부(300)/회동결합부(310) 외곽을 회동하도록 구비시킬 수 있으며 이때, 최외각 직경이 다른 복수 이상의 차륜외곽부(100a, 100b)가 상기 지지판부(300)/회동결합부(310) 외곽을 회동하도록 구비할 수 있다.As shown in Figure 6, the wheel outer portion 100 is provided with a plurality of wheel outer portion (100a, 100b) and may be provided to rotate the outer side of the support plate 300 / pivot coupling portion 310, at this time, A plurality of wheel outer parts 100a and 100b having different outer diameters may be provided to rotate the outer side of the support plate part 300 / rotation coupling part 310.

한편, 필요에 따라 상기 캐스터 스케이팅 차륜이 한 쌍 구비되고; 상기 한 쌍의 스케이팅 차륜 사이를 연결하는 연결요소로 구성되고, 상기 연결요소 양 단부는 상기 캐스터 스케이팅 차륜의 지지판부(300)에 각각 결합하므로써 양 케스터 스케이팅 차륜의 간격를 한정하거나 뒤틀림 토션 효과를 부여하거나 핸들바를 연장하여 손잡이 요소를 부여할 수 있다.On the other hand, a pair of said caster skating wheel is provided as needed; Consists of a connecting element for connecting between the pair of skating wheels, both ends of the connecting element is coupled to each of the support plate portion 300 of the caster skating wheel to limit the interval of both caster skating wheel or to give a torsional torsion effect The handlebar can be extended to give the handle element.

본 발명에 따르면, 최대 직경의 차륜을 사용가능 하면서도 차륜 사이의 축거를 좁힐 수 있으므로 부피 및 중량를 최소화 할 수 있고 특히, 좌우 족부 및 차륜을 자유스럽게 각자 동작할 수 있으므로 중심잡기가 용이하고 다양한 동작과 강력한 추진력을 발휘할 수 있다.According to the present invention, it is possible to use wheels of the largest diameter while narrowing the wheelbase between the wheels, thereby minimizing the volume and weight. Strong driving force can be exerted.

또한, 방향성 캐스터의 진행원리에 따라 탑승자의 중심이 향하는 측으로 방향이 전화되므로 탑승 및 방향전환이 용이하고 추락 가능성이 감소된다.In addition, according to the progress principle of the directional caster, the direction is changed to the side toward which the occupant's center is facing, so that the boarding and turning is easy and the possibility of falling is reduced.

Claims (12)

한 쌍으로 구비되며 그 각각이,Are provided in pairs, each of which is 차륜외곽부(100); 마찰저감부(200); 지지판부(300);를 포함하고,Wheel outer portion 100; Friction reducing unit 200; It includes; support plate 300, 상기 차륜외곽부는,The wheel outer portion, 복수로 제공되어 진행방향에 대하여 병렬로 배치되고,It is provided in plurality and arranged in parallel with respect to the traveling direction, 상기 지지판부는,The support plate portion, 상기 각 차륜외곽부의 내측에 개재되는 회동결합부(310); 상기 회동결합부의 내측에 설치되는 지지판(320)을 포함하고,A rotation coupling part 310 interposed in each of the wheel outer parts; It includes a support plate 320 is installed inside the pivot coupling portion, 상기 마찰저감부는,The friction reducing portion, 상기 각 차륜외곽부와 상기 회동결합부 사이에 개재되는 것을 특징으로 하는 캐스터 스케이팅 차륜Caster skating wheel, characterized in that interposed between each wheel outer portion and the rotational coupling portion 제1항에 있어서,The method of claim 1, 상기 병렬로 배치되는 차륜외곽부들의 상호 직경이 다르고,The diameters of the wheel outer parts arranged in parallel are different from each other, 이에 따라 상기 지지판은 상기 차륜외곽부들 또는 상기 회동결합부에 대하여 직각이 아닌 경사각(N)으로 설치되는 것을 특징으로 하는 캐스터 스케이팅 차륜Accordingly, the support plate is caster skating wheel, characterized in that installed at an inclination angle (N) not perpendicular to the wheel outer portion or the rotational coupling portion 삭제delete 삭제delete 삭제delete 삭제delete 삭제delete 삭제delete 삭제delete 삭제delete 삭제delete 삭제delete
KR1020060087778A 2006-09-07 2006-09-07 Caster skating wheel Expired - Fee Related KR101005429B1 (en)

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Publication number Priority date Publication date Assignee Title
US7980568B2 (en) * 2007-04-30 2011-07-19 Shane Chen Wheel skate device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20060127277A (en) * 2005-06-07 2006-12-12 이광수 Wheel skates with two wheels on each side of the user
KR100818128B1 (en) 2006-07-11 2008-03-31 김정재 Leisure roller and leisure roller board using the same

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20060127277A (en) * 2005-06-07 2006-12-12 이광수 Wheel skates with two wheels on each side of the user
KR100818128B1 (en) 2006-07-11 2008-03-31 김정재 Leisure roller and leisure roller board using the same

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