Roller construction for the launching and recovery of personal w

Ships – Vessel raising and docking – Floating dry docks

Patent

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Details

114366, B63C 102

Patent

active

055311776

ABSTRACT:
The roller construction of the invention affords a high degree of support and stability to the launching and recovery of personal watercraft by lowering and raising a cradle through the use of rollers, some of which are positioned above the cradle while others of which are positioned below the cradle--and wherein each roller bears against a side of a polygonal-shaped vertical post along which the cradle rides.

REFERENCES:
patent: 2761571 (1956-09-01), Adams
patent: 4482268 (1984-11-01), Stevenson et al.
patent: 5245940 (1993-09-01), Rockwood

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