US Patent 7677172 Ink pad container for a self-inking stamp

An ink pad container for a self-inking stamp that is filled with ink by the top thereof at a pressure. The stamp has a housing and a stamping unit which is connected to an actuating element, movably arranged in the housing and provided with stamping characters. The ink pad container has a bottom and side walls projecting away therefrom. In use, horizontally arranged recesses are provided along a length of two lateral opposite side walls of the ink pad container and cooperate with continuous guiding and centering projections in an insertion compartment of the self-inking stamp to define precise guiding and centering of the ink pad container during its insertion.