Hydraulic and earth engineering – Marine vessel portage – launching – or removing – Lifting
Patent
1995-04-03
1997-01-07
Taylor, Dennis L.
Hydraulic and earth engineering
Marine vessel portage, launching, or removing
Lifting
114 48, 405 1, E02B 320, B63C 306
Patent
active
055909787
ABSTRACT:
The elevator construction of the invention includes adjustable length elongated posts and tubes to allow for the simple launching and recovery of personal watercraft by lowering and raising a support cradle without the need for any special order, parts or fabrications for situations where wide variation exists in the distance between a dock or seawall and the ground bottom beneath the water.
REFERENCES:
patent: 3169644 (1965-02-01), Godbersen
patent: 4482268 (1984-11-01), Stevenson et al.
patent: 4776726 (1988-10-01), Viles
patent: 5000620 (1991-03-01), Bonnema et al.
patent: 5245940 (1993-09-01), Rockwood
patent: 5311970 (1994-05-01), Basta
Brodsky Charles I.
Taylor Dennis L.
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