Boat lift

Details Boat lift Boat lift

1994-02-10

1995-12-26

Corbin, David H.

Hydraulic and earth engineering

Marine vessel portage, launching, or removing

Lifting

405219, B63C 300

Patent

active

054781663

ABSTRACT:
A boat lift having opposite sides with a pair of air bladders secured to the sides, respectively. An air bladder enclosure surrounding each air bladder. The enclosures defining the size and shape of the bladders when the bladders are inflated. The lift is more buoyant when the bladders are inflated whereby the lift may be floated to and from position and sunk as desired.

REFERENCES:
patent: 2918030 (1959-12-01), Bagnall
patent: 3005214 (1961-10-01), Fruendt
patent: 3626447 (1971-12-01), Hindkin
patent: 3710409 (1973-06-01), Davidson
patent: 3797435 (1974-03-01), Dunson
patent: 4750444 (1988-06-01), Lemvig
patent: 4817555 (1989-04-01), Meinen
patent: 4887541 (1990-12-01), Rodemann
patent: 5016551 (1991-05-01), Peck et al.
patent: 5094181 (1992-03-01), Fuerst
patent: 5131784 (1992-07-01), Maasen

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