Patent ID: 8672228

Claim:
A device comprising: a device housing including a device surface; a cavity formed in the device housing, the cavity having a lubricious non-conductive liner between an interior end of the cavity and an exterior end of the cavity, the cavity opening through the device surface at the exterior end of the cavity; a cylindrical connector element moveable within the lubricious non-conductive liner of the cavity between a retracted position and an extended position, the connector element having a first side including a contact surface, and a second side, opposite to the first side, the second side connected to a retaining element, wherein: in the retracted position, the contact surface is located at a predetermined distance from the exterior end of the cavity; and in the extended position, the contact surface of the connector element is moved within the cavity into contact with an external contact element positioned proximate to the exterior end of the cavity to form an electrical connection between the connector element and the external contact element; and a base at the interior end of the cavity, wherein: the retaining element connected to the second side of the connector element is connected to the base; and the base and the retaining element prevent the connector element from retracting into the cavity past the predetermined distance.