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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0302818 (1989-01-27) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 22 인용 특허 : 4 |
A roller ski that uses a wheel including a stationary member, a rotating tire member, and a liquid between the two to provide viscous damping to rotation of the tire member. The roller ski tire member can increase in width from a hub portion to a crown portion to provide crown edge portions that def
A roller ski comprising: an elongated base member and two wheels rotatably mounted at opposite ends of said base member by respective axles, one said wheel including a stationary member that is stationary with respect to said base member and a tire member that is mounted for rotation with respect to
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