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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0027689 (1987-03-19) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 25 인용 특허 : 0 |
A remote controlled boat lift comprises a remote transmitter unit that can selectively transmit one of two pre-determined RF signals, an up receiver and down receiver connected to operate a pressure pump system and valves for selectively inflating and deflating a pontoon supported framework for dock
In a boat lift for selectively raising and lowering a boat out of and into the water, the boat lift comprising at least one inflatable pontoon, a framework attached to and supported by said pontoon, valve means to control flow of air into and out of said pontoon for inflating and deflating same, and
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