A system comprising an articulated robot arm including assembly of links interconnected with motorized joint units at joints between the links for movements of the links relative to one another, one of the links being a base link. A docking cradle is adapted to be connected to a structure and configured for being releasably connected and for supporting the articulated robot arm. A coupling configuration is between the base link and the docking cradle for powering contact to be made. A clamping system includes one or more clamp members and a clamp lever for locking the base link to the docking cradle at the coupling configuration.