Patent attributes
A forward board has a forward foot placement section, a wheel arch section with a high point, a forward caster mount section extending rearwardly and upwardly from the forward end of the forward board. A rearward board has a rearward foot placement section, a rearward caster mount section extending forwardly and downwardly from the rearward end of the rearward board. A connector/torque assembly couples the forward and rearward boards and includes a longitudinal pivot/connecting rod, a torsion spring. A forward wheel with a forward caster is rotatable about a first axis positioned beneath the high point of the front wheel arch section. A rearward wheel with a rearward caster is rotatable about a third axis positioned rearwardly of the rearward board. The foot placement sections are in a common plane extending through the wheels above the first and third axes when the wheels are in a neutral forward position.
