A folding apparatus (1) having transmitter and receiver cases (2, 10), a hinge mechanism (20) for pivotally connecting one end of the transmitter case and that of the receiver case to each other, and a hinge cover (C). The hinge mechanism is connected to corners (15a-16b) of the one end of the transmitter...http://www.google.com/patents/US7930803?utm_source=gb-gplus-sharePatent US7930803 - Foldable device
