US Patent 7192318 Contact element with spring tongue

A contact element has a contact body. A contact arrangement is attached to the contact body. The contact arrangement has a spring tongue. The spring tongue has a free end with a locking face for securing the contact element in a contact housing. The locking face is movable between a locked position and an assembly position. The spring tongue has first and second retention tongues. The first retention tongue extends laterally to a longitudinal direction of the spring tongue and engages an opening in the contact body when the locking face is in the locked position. The second retention tongue extends perpendicular to the spring tongue for engagement with the contact housing when the locking face is in the locked position.