Patent ID: 7506879

Claim:
A portable floor surface for use to facilitate unloading side-by-side cargo carts disposed in laterally spaced relation to leave an aisle between them, the cargo carts having a floor raised on casters, the portable floor surface comprising: a body having opposite front and rear ends with a lower surface and an upper surface extending between said front and rear ends, said lower surface and upper surface being spaced a predetermined distance from one another to bring said upper surface into a generally flush relation with the floor of the cargo cart when said lower surface is resting on a common floor surface with the cargo cart; a ramp surface extending at an upward inclination from said front end toward said rear end of said body, said ramp surface being constructed as one piece with said body; and a latch member operably associated with said body and adapted for operable engagement with a first cargo cart to releasably lock said portable floor surface to the first cargo cart and another latch member operably associated with said body and adapted for operable engagement with a second cargo cart adjacent the first cargo cart and in the same row as the first cargo cart to releasably lock said portable floor surface to the second cargo cart.