Patent ID: 8387996

Claim:
A vehicle operable by an intended user on a ground surface, said vehicle comprising: a vehicle body for supporting said intended user, said vehicle body defining a body front end and a substantially opposed body rear end, said vehicle body also defining a body longitudinal axis extending between said body front and rear ends; a front wheel and a rear wheel, said front and rear wheels being rotatably mounted to said vehicle body respectively substantially adjacent said body front and rear ends so as to be rotatable respectively about a front wheel rotation axis and a rear wheel rotation axis, said front and rear wheel rotation axes being orientable substantially parallel to each other and substantially perpendicular to said body longitudinal axis; and an auxiliary wheel mounted to said vehicle body so as to be rotatable about an auxiliary wheel rotation axis, said auxiliary wheel rotation axis being angled with respect to said front and rear wheel rotation axes; said auxiliary wheel being movable between a retracted position and an extended position relative to said vehicle body, wherein, when said vehicle is operatively supported on said ground surface by said front and rear wheels, said auxiliary wheel is closer to said ground surface in said extended position than in said retracted position.