| CPC B62D 25/2072 (2013.01) [B60J 11/00 (2013.01); B60R 13/0861 (2013.01); B62D 35/002 (2013.01)] | 20 Claims |

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1. An apparatus for use with a vehicle chassis frame including first and second side beams spaced apart across the frame, the apparatus comprising:
a panel having a first edge portion, a second edge portion, and a length that is predetermined for the panel to reach between the first side beam and the second side beam;
wherein the panel further comprises a longitudinal rib having a first end adjacent to and inboard of the first edge portion and a second end adjacent to and inboard of the second edge portion.
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