Ships – Hull or hull adjunct employing fluid dynamic forces to... – Having hydrofoil
Patent
1993-02-25
1994-03-08
Sotelo, Jesus D.
Ships
Hull or hull adjunct employing fluid dynamic forces to...
Having hydrofoil
114 61, B63B 3500
Patent
active
052918467
ABSTRACT:
An amphibious mobility assist vehicle for mobility impaired persons wherein a main flotation body has a catamaran configuration of twin hulls and constructed of molded thermoplastic material filled with plastic foam material of closed cell construction. A pair of conventional wheelchair-type wheels are detachably connected to the rear portion of the main flotation body on each side of a seat portion thereof, and a pair of hollow, spherical, flotation, caster mounted wheels are connected to the front of each hull. A manually actuated lift mechanism, which is accessible to the occupant of the vehicle, is connected to each spherical wheel so that the spherical wheels can be individually moved from a ground engaging position to an elevated position when the vehicle is floating in a body of water.
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