Patent ID: 8128109

Claim:
A scooter device propelled by side to side movement of a user, comprising: at least a first forward located wheel; at least a second and a third rearward located wheel, the second and third rearward located wheels mounted in a biased direction arrangement; a frame structure through which the first wheel is coupled to the second and third wheels, the frame structure including a rear support member extending substantially continuously between the second and third wheels; and a shaped human support platform coupled to and extending above the rear support member, the human support platform being positioned above a central portion of the rear support member; and a steering mechanism that has a vertically ascending control member and is coupled to the first wheel such that turning of the steering mechanism achieves a turning of the first wheel; wherein the rear support member includes a second wheel support section that extends toward the second wheel and a third wheel support section that extends toward the third wheel, each of the second wheel support section and the third wheel support section having a lateral dimension that is greater than its longitudinal dimension.