The invention relates to a current transmission device for stationary charging of electrical energy stores of devices and/or for mobile supplying of electrical drive units of devices having a current transmitter which is embodied as an articulated arm system, and which can swivel between a current-transmitting extended position and a current flow interrupting retracted position, an adjusting drive interacting with the current transmitter as well as a spring system interacting with the current transmitter, wherein the adjusting drive is self-locking-free and has a switchable electromagnetic brake device.