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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0152343 (1980-05-22) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 13 인용 특허 : 1 |
The present shiplift apparatus has a horizontal lift platform with eight lift points (four on each side along the length of the platform). Four lift motors are provided, each operating a first cable for lifting the platform at a lift point which is located toward the longitudinal, midpoint of the pl
In an apparatus for lifting or lowering a water-borne structure, said apparatus having: a dock having spaced apart, opposite sides and an open end between said sides through which the water-borne structure can enter and leave; a support platform extending between said opposite sides and movable vert
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