Hydraulic and earth engineering – Marine vessel portage – launching – or removing – Lifting
Patent
1992-03-12
1993-05-25
Reese, Randolph A.
Hydraulic and earth engineering
Marine vessel portage, launching, or removing
Lifting
405 1, B63C 306
Patent
active
052134431
ABSTRACT:
A windsurfing ramp which is flexible so as to provide a spring action and optimize the translation of windsurfing craft velocity into launch trajectory. The windsurfing ramp is compact by design, easily transported and easily assembled and installed. The windsurfing ramp is safe and eliminates the possibility of a windsurf craft rudder catching on a portion of the ramp thus injuring a sailor or damaging the windsurf craft. The ramp is made up of a plurality of substantially parallel, spaced apart tubular members which are flexible under the weight of a windsurf craft and sailor. The support members are arranged in a planar configuration such that one side edge is submerged when disposed on a body of water while an opposite side edge is elevated in the water.
REFERENCES:
patent: 2336140 (1943-12-01), Vogler
patent: 3500978 (1970-03-01), Cormier
patent: 3817364 (1974-06-01), Cormier
patent: 4037421 (1977-07-01), Whitley, Jr.
patent: 4641996 (1987-02-01), Seal
patent: 4662781 (1987-05-01), Tinkler
patent: 4678366 (1987-07-01), Williamson
patent: 4838735 (1989-06-01), Warner
Hemperly Mike K.
Hill Kenneth D.
McBee J. Russell
Reese Randolph A.
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