US Patent 9519314 Intrinsically safe case for a tablet computer

A case for a tablet computer has an upper shell and a lower shell. The upper shell has an open area through which the screen of the tablet computer is exposed. The upper shell is in sealed relation against a periphery of the tablet computer. The lower shell is in sealed relation to the upper shell. A subframe is interposed in sealed relation between the upper shell and the lower shell. The subframe has an outer periphery aligned with an outer periphery of the upper shell and the lower shell. A finned member is affixed to the shells so as to transfer heat from the tablet computer outwardly of the shells. A plurality of pins are formed in the shell and are suitable for allowing electrical connection with the tablet computer.