US Patent 9731659 Vehicle rooftop cargo holder

The invention provides a vehicle rooftop-mounted cargo container of rigid design that has the capability of sliding forward or rearward in the direction of travel of the vehicle on semi permanent mounting points while remaining attached to the vehicle, and that has the means to selectively keep the container from sliding forward or rearward upon the mounting points, and that also has the capability of being assembled as a container into various lengths using only a few interchangeable component parts.