Patent ID: 7243975

Claim:
A protective cover, comprising: a first panel having a top sheet and a bottom sheet, the top sheet connected to the bottom sheet to form an air chamber; a first valve disposed through the top sheet and manually operable between an open condition and a closed condition to allow air to be selectively removed from and drawn into the air chamber of the first panel; a first resilient, open-celled, foam panel disposed in the air chamber of the first panel to cause air to be drawn into the air chamber of the first panel upon expansion of the foam panel from a collapsed condition; a second panel having a top sheet and a bottom sheet, the top sheet of the second panel connected to the bottom sheet to form an air chamber; a second valve disposed through the bottom sheet of the second panel and manually operable between an open condition and a closed condition to allow air to be selectively removed from and drawn into the air chamber of the second panel; and a second resilient, open-celled, foam panel disposed in the air chamber of the second panel to cause air to be drawn into the air chamber of the second panel upon the expansion of the second foam panel from a collapsed condition, wherein the first panel is superimposed over and connected to the second panel such that the first panel is slidably moveable relative to the second panel.