US Patent 7571915 Wheel-mounted tool chest

This patent discloses a wheel-mounted tool chest configured to keep tools in place even if the wheel-mounted tool chest is turned upside down and back upright. The tool chest may include a lid, a handle, and wheels attached to a box having a T-shape profile. The box may include socket trays and may be divided into three compartments by two partitions. A chamber plate may be removeably secured over a front chamber of the third compartment. The chamber plate may hold screwdrivers and wrenches vertically. The chamber plate may be positioned relative to the lid such that when the lid is closed, the screwdrivers and wrenches may be keep in place even if the tool chest is turned upside down and back upright.