US Patent 7572150 Device connector with mating terminals bolted together

A device connector to be connected with device-side terminals accommodated in a metal case (C) is provided with a first housing (10) for holding first terminals (20) connectable with the device-side terminals by bolt tightening and a second housing (50) connectable with the first housing (10) and adapted to hold second terminals (60) fixed to ends of wires (61). Connecting portions (21, 63) of the first and second terminals (20, 60) are arranged one over the other in a fitting (11) to the second housing (50) and are respectively formed with bolt insertion holes (21A, 63A). The fitting (11) is formed with an operation hole (23) used for bolt tightening operations for the connecting portions (21, 63).