Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Volodymyr Ivanchenko0
Date of Patent
November 30, 2010
0Patent Application Number
126178750
Date Filed
November 13, 2009
0Patent Citations Received
Patent Primary Examiner
Patent abstract
The transportation apparatus includes a frame a seat portion which slides on the frame. A leg support pivots about the seat portion. At least one middle leg and at least one rear leg depends downwardly from the seat portion. At least one middle wheel is connected to the middle leg and at least one rear wheel is connected to the rear leg. The middle wheel and rear wheel define a middle and rear rotation axes, respectively. At least one front wheel is connected to the leg support. The middle leg is movable to adjust the vertical position of the middle wheel, and the rear leg is movable to adjust the vertical position of the rear wheel.
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