US Patent 11590833 Tonneau cover assembly with a fluid management system

A bed cap configured for placement on a top surface of a bed wall defining a cargo area of a vehicle, the top surface defined between an inside wall and an outside wall, the bed cap covering the top surface between the inside wall and the outside wall at least along a section of a length of the bed wall, wherein the bed cap comprises a channel configured to collect fluid and/or debris and an opening for evacuating the fluid and/or debris from the channel.