Patent for a vertical hook car coupling that also couple air-brakes. In the invention "the drawheads are provided with interlocking tongues to prevent the disconnection of the drawheads by vertical movement; the interlocking faces of the drawheads are provided with sockets to receive a plug for completing the air passage for the train pipes; the drawheads are provided with means for receiving the ordinary hose-coupling on cars not provided with [the] drawhead, and finally other features of [the] invention are the means for securing the drawhead to the car and for uncoupling" (lines 14-25).