Patent attributes
A tonneau cover apparatus for attaching a flexible cover about a cargo box of a vehicle, preferably a pickup truck. The apparatus preferably includes, a support frame, including two side rails removably attached about the perimeter of a cargo box of the vehicle, an elongated flexible cover securing plate attached to an end of the flexible cover and a securing plate engagement member attached to the support frame, preferably one on each of the two side rails on each side of the support frame. The present invention simplifies securing and unsecuring of the securing plate to the support frame. The securing plate is preferably attached to an end of the flexible cover and is configured to cooperatively engage and pivot with respect to the securing plate engagement member and into and out of a closed or fixed stretching position wherein the flexible cover can be correspondingly be tensed and relaxed.