Hydraulic boat lift

Details Hydraulic boat lift Hydraulic boat lift

1995-04-17

1996-06-04

Neuder, William P.

Hydraulic and earth engineering

Marine vessel portage, launching, or removing

Lifting

B63C 306

Patent

active

055226710

ABSTRACT:
The invention is a hydraulic boat lift having improved, reinforced concrete pilings, wherein the lift operates with static cables and moving blocks (sheaves) guided by grooves formed in the prestressed, concrete piles. Hydraulic cylinders are fastened to the top of a first pair of piles, An extra heavy block is affixed to each of the hydraulic cylinders and the blocks are adapted to run in the grooves. Stainless strand core cables are affixed to the tops of a first pair of piles, and run through pipes molded in the piles and through blocks affixed to lifting brackets. Lifting brackets are affixed to a first end of structural tubing. A second set of cables are affixed to the top of the first pair of piles, run through a second set of pipes molded in the piles, through the lifting means, to a second pair of piles. A hydraulic system powers the lift.

REFERENCES:
patent: 5378082 (1995-01-01), Hiller et al.

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