US Patent 10399419 Convertable tonneau cover

A convertible Tonneau cover that converts into a camper shell of a camper and may convert back to a flat Tonneau cover. The convertible Tonneau cover includes a top portion of a rear hinged door frame that is curved over to protect the top portion of each of the pair of hinged sides. The convertible Tonneau cover also includes an E-hinge clamp with an E-shaped frame and a knurled screw, the E-shaped frame includes a knurled aperture, wherein the knurled screw has a semi-circular portion disposed on an end of the knurled screw to provide more surface area contact with the truck bed while adapted to be tightened within the E-shaped frame. The pair of hinged sides are adapted to fold inward while a bottom portion of the rear hinged door frame is coupled to a bed rail of a truck bed with the E-hinge clamp.