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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0094977 (1979-11-16) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 17 인용 특허 : 3 |
A skateboard includes conventional carriages and axles supported on the underside thereof. Each axle has a truck pivotally supported on either end and each truck includes front and rear wheels. Each of the four trucks is pivotal independently of each of the others and is spring biased in an intermed
In a skateboard including a footboard, front and rear under carriages mounted on the lower surface of said footboard, and front and rear axles carried by said front and rear carriages respectively wherein steering is accomplished by tilting of the footboard, the improvement comprising: right and lef
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