US Patent 9192266 Movable support device

A support device for moving an item on a surface. A main body includes a panel and a sidewall. A handle assembly engages the main body and includes a first transportation mechanism. The support device includes a resistance portion on the main body for engaging a surface and resisting movement of the support device when in a resistive mode. The handle mechanism lowers the first transportation mechanism to engage the surface and disengage the resistance portion from the surface in a transportive mode to encourage movement of the support device and the item supported thereon.