Hydraulic and earth engineering – Marine vessel portage – launching – or removing – Lifting
Patent
1995-04-07
1997-08-12
Taylor, Dennis L.
Hydraulic and earth engineering
Marine vessel portage, launching, or removing
Lifting
114 48, 405 1, B63C 306
Patent
active
056558503
ABSTRACT:
A floating boat lift having 2 side support frames and a front frame with a central region for docking a boat therein with flotation devices attached to the side support frames, flotation devices having sufficient flotation to floatingly suspend the boat lift and a boat carried entirely by the boat lift in a body of water without the aid of lake-bed supports for the boat lift or the boat and a boat lift mechanism carried by the support frames, the boat lift mechanism having U-shaped members with a first side being carried by the first side frame and with a second side carried by the second side frame with a boat lift bar located in a vertically sliding relationship in a first portion of the U-shaped members proximate the first side frame and a second end located in a vertically sliding relationship in another portion of the U-shaped members located proximate the second side dock. A cable-lift system mounted in the boat lift permits raising the lift bar while the ends of the lift bars are guided and restrained by guide slots in the U-shaped members so that a boat located on the lift bars can be lifted and suspended above the water by the floating boat lift.
REFERENCES:
patent: 3169644 (1965-02-01), Godbersen
patent: 3439454 (1969-04-01), Stretton
patent: 3951087 (1976-04-01), Carson
patent: 4505619 (1985-03-01), Sargent
patent: 4645380 (1987-02-01), Hambrick et al.
patent: 4686920 (1987-08-01), Thomas
patent: 4787327 (1988-11-01), Porter
patent: 5165823 (1992-11-01), Cupples
patent: 5238324 (1993-08-01), Dettling
patent: 5390616 (1995-02-01), Roth
"The Sidewinder" from Keibler Technologies.
"Floating Water-Free Boat Lift" from Water Free Docks, Inc.
"Alum-A-Vator" from Quality Boat Lifts, Inc.
"Hydrohoist" from Hydrohoist Boat Lifts.
"DLC-Floating Dock, Lift, and Capopy" from Shoremaster.
"Econo-Lift Boat Hoist" from Econo-Lift Boat Hoist.
"Harber Hoist" from Hydrohorist International Inc.
Armada Group, Inc.
Taylor Dennis L.
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