FOLDING JOINT FOR REAR VIEW DISPLAY DEVICE

A folding joint for attaching a rear view display device to a vehicle includes one or more hinge sections each of which is adapted to rotate relative to the vehicle, with each of the one or more hinge sections having a first end and a second end, and a biasing element comprising a spring, a coil, a wave spring, or other elastic member for biasing at least one of the one or more hinge sections in response to rotation of the folding joint, with the biasing element biasing at least one of a spring biased cam section and a biased clamping bolt. An external rear view display device for a vehicle may include the folding joint, and a vehicle may include two external rear view display devices.