US Patent 7819692 Frame for electrical connector

A frame (1) for engaging with a connector (2) includes a first pair of opposite retaining walls (13), a second pair of opposite retaining walls (12) and an opening (11). The opening (11) is surrounded by the first and the second retaining walls. The frame is detachable from the connector and at least one pair of the first and second pairs (13, 12) of opposite retaining walls are fixed on the lateral sides of the electrical connector. Wherein at least one retaining wall which is fixed to the electrical connector, defines a cutout (120, 130), and the cutout (120, 130) is disposed on middle portion of the retaining wall and communicates with the opening (11).