US Patent 10230190 Contact terminal assembled from at least two parts

A contact terminal is assembled from parts including a base part and a sleeve. The base part has a plurality of contact tongues aligned along a mating axis and configured to contact a male connector pin by contact surfaces on the plurality of contact tongues. The sleeve is configured to be arranged at least partially over the base part, the sleeve having a spring element. The spring element is configured to contact the plurality of contact tongues on a side opposite to the contact surfaces side. The spring element comprises a first arm, a second arm, and a flexible support structure therebetween. The first arm and the second arm protrude from the sleeve along the mating axis inside the sleeve. The flexible support structure undulates from the first arm to the second arm.