Hydraulic boat lift

Details Hydraulic boat lift Hydraulic boat lift

1987-04-08

1988-09-27

Basinger, Sherman D.

Ships

Vessel raising and docking

Floating dry docks

114 48, 405 3, 405 4, B63C 108

Patent

active

047733462

ABSTRACT:
The present invention sets forth an hydraulically operated boat lift for lifting small boats upwardly out of a body of water by simultaneously supplying water pressure to four support posts connected to four corner portions of a lifting frame. Each of the corner posts comprises an hydraulic cylinder with the cylinder body connected to the lifting frame and moveable vertically on its downwardly extending piston rod which forms support legs for the lift.

REFERENCES:
patent: 2505832 (1950-05-01), Lange
patent: 3177668 (1965-04-01), Schneider et al.
patent: 3276211 (1966-10-01), Drake
patent: 3559606 (1971-02-01), Gregory
patent: 3841441 (1974-10-01), Klinkhammer et al.
patent: 3857248 (1974-12-01), Rutter
patent: 4195948 (1980-04-01), Vancil
patent: 4280429 (1981-07-01), Wells
patent: 4686920 (1987-08-01), Thomas

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