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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0715877 (1976-08-19) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 24 인용 특허 : 0 |
A skateboard has front and rear trucks each supporting four wheels centrally pivoted to the axle on the undercarriages of the skateboard normally provided for the conventional type front and rear wheels. Each truck can rock about its central pivot on the axis and thereby reduce the amplitude of smal
An eight-wheel skateboard having front and rear under carriage structures supporting front and rear axles; and front and rear wheel trucks, each of said wheel trucks comprising a rectangular frame including longitudinal and transverse sides, and having four wheels rotatably mounted adjacent to its f
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