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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0951443 (1978-10-13) |
발명자 / 주소 |
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인용정보 | 피인용 횟수 : 9 인용 특허 : 1 |
An improved ski device which incorporates a power unit for providing forward thrust and which is capable of operation over water, snow, ice, artificial surfaces, or the like. In one embodiment, the unit utilizes an upright chassis which is articulated to a single runner and has a seat with handles t
A ski device, which comprises: elongated runner means; seating means pivotally mounted at its forward end to said runner means; anti-sway means pivotally mounted between said seating means and said runner means; shock-absorbing means pivotally mounted between and extending downwardly and forwardly f
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