Patent ID: 6971208

Claim:
An isolation unit for a vehicle comprising: an exterior wall forming an enclosed cell; a first interior wall positioned to extend across the cell into a first section and a second section, the first interior wall being adjustable between a first position and a second position; a second interior wall positioned within the first section between the exterior wall and the first interior wall to extend across the first section into isolated first and second compartments, the second interior wall being movable to remain intact and divide the first section when the first interior wall is at the first position and the second position; a third interior wall positioned between the exterior wall and the first interior wall to extend across the second section; and a member mounted between the third interior wall and the first interior wall, the member being movably mounted to the third interior wall and positionable between an extended position and a retracted position to maintain a division within the second section, the member moving between the extended and retracted positions when the first interior wall moves between the first and second positions.