Patent ID: 7472941

Claim:
A tonneau cover apparatus for removable attachment about a top of a perimeter of a cargo box of a pickup truck, the perimeter of the cargo box including a forward end, two opposing sidewalls and a tailgate, the tailgate being positioned rearward of the forward end and having an open position and a closed position, the tonneau cover apparatus comprising: a flexible cover; a support frame for attachment to the cargo box, the support frame having two opposing side rails, each of which is secured to one of the respective opposing side walls, each side rail having a lock engaging surface, wherein the support frame further includes a pair of securing plate engagement members, each of which is secured to one of the respective opposing side rails; and a flexible cover securing plate attached to the flexible cover, the flexible cover securing plate being engageable with the respective securing plate engagement members; wherein the flexible cover securing plate includes two locking members, each locking member being secured proximate an end of the flexible cover securing plate; wherein each respective locking member is engaged with the lock engaging surface of the respective opposing side rail and the flexible cover securing plate prevented from pivoting with respect to the respective side rail, when each of the respective locking members are in a first position and the flexible cover securing plate is secured to each of the respective side rails; and wherein the flexible cover securing plate can pivot with respect to the respective side rails when each of the respective locking members are in a second position; wherein each locking member has a draw cord.