Patent ID: 8888543

Claim:
An amphibian for use on land and water, comprising: a hull having a planing surface which contacts water when the amphibian is planing on water; at least one retractable suspension apparatus which is movable from a vehicle supporting position to a retracted position; wherein the retractable suspension apparatus comprising upper and lower suspension arms that are pivotably connected at inboard ends to a support structure and are pivotably connected at outboard ends with to a suspension upright, the upper suspension arm being pivotably connected to the suspension upright by a first, upper pivot connection and the lower suspension arm being pivotably connected to the suspension upright by a second, lower pivot connection; the suspension upright extending from the second pivot connection, in a direction away from the first pivot connection, to a wheel hub mount location at which the wheel hub is rotatably mounted on the suspension upright, wherein the wheel hub is located a distance from the second pivot connection at least equivalent to the distance between the first and second pivot connections, the wheel hub receiving a wheel.