Boat lift

Hydraulic and earth engineering – Marine vessel portage – launching – or removing – Lifting

Reexamination Certificate

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Details

C114S044000, C114S048000

Reexamination Certificate

active

07377720

ABSTRACT:
A boat lift supported completely from land adjacent to water in which a boat is to be operated for movement between storage and launching positions by the use of parallelogram linkage powered by pairs of hydraulic actuators arranged at opposite sides of the boat lift. A walk and handrails are formed between the hydraulic actuators for use by passengers boarding the boat in the boat launch position.

REFERENCES:
patent: 3675258 (1972-07-01), Osmundson
patent: 4641996 (1987-02-01), Seal
patent: 6598549 (2003-07-01), Voegeli

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