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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0420178 (1989-10-11) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 15 인용 특허 : 0 |
Apparatus for exerting a towing force on an aquatic recreational towing device in the initial stages of towing the device while a rider thereon positions himself for purposes of riding on and maneuvering the device as it is drawn over a water surface at high speed by a towing boat. The tow rope runn
In an aquatic recreational system in which a rider holds a tow rope handle and is towed, via a tow rope, through water by a tow boat while mounting an aquatic towing device and rises to a riding and maneuvering position on said towing device as said tow boat gains speed, the improvement comprising:
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