Hydraulic and earth engineering – Marine structure or fabrication thereof – Dock
Patent
1995-02-16
1997-05-06
Neuder, William P.
Hydraulic and earth engineering
Marine structure or fabrication thereof
Dock
182 88, E02B 320
Patent
active
056264402
ABSTRACT:
A stairway for providing access over a dune to a beach, while being retractable to avoid damage from adverse weather conditions, the stairway being adapted to be mounted on a plurality of piling on a dune, the stairway comprising a pivotally mounted housing section having an upper surface suitable for use as a walkway and a cavity beneath the walkway; a stair section moveable between a retracted position within the housing section cavity and an extended position, wherein the stair section extends from the housing section to the beach at an angle of about 45.degree. below horizontal; and drive means adapted to move the stair section between retracted and extended positions.
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Campbell Donald M.
Greene, Jr. G. Nash
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