Patent ID: 6135420
Filing Date: 2000-10-24
Classification: B66F

Abstract:
A ramp assembly, comprising:a pair of ramp portions, each of the ramp portions comprising:a ramp member having a bottom for resting on a ground surface, the bottom defining a first plane, an inclined wall defining a plane oriented at an angle with respect to the first plane, a resting wall defining a plane oriented substantially parallel to the first plane;wherein the ramp members are pivotally connected together, a pivot structure connecting the ramp members in a manner permitting pivoting about an axis lying in the first plane, the ramp members being adapted to pivot between an operative position and a storage position;a latch structure for holding the ramp members in the storage position;a locking structure for locking the ramp members in the operative position; anda lip formed on each of the ramp portions for resisting rolling movement of a wheel from an upper surface of the resting wall onto an upper surface of the inclined wall.