Computer plug connector fastening mechanism

In a computer plug connector of the type having a plastic outer shell directly molded on a casing, comprising:

• an outer shell having two hollow, rectangular frames formed therein at two opposite lateral sides, said rectangular frames each defining therein a rectangular slot having inner walls and having an inward flange around said rectangular slot at the front end thereof and two elongated grooves on the internal top and bottom surfaces thereof;
• two clamp holders respectively fastened in said frames, said clamp holders each comprising a metal clamping plate having opposite end portions and including parallel side walls extending substantially perpendicular to one of said end portions, each of said side walls having toothed portions on the edges thereof engaging one of said inner walls, said side walls also including hooked portions extending therefrom and disposed within the grooves formed in said slots, each of said metal clamping plates also including at said one end portion a raised portion disposed between said side walls, said raised portion having a hole formed therethrough, said one portion also having a plug hole formed therethrough in communication with said hole in the raised portion;
• and
• two clamping devices respectively inserted through said slots in the rectangular frames and retained by said clamp holders, said clamping devices each having opposite ends and including a metal clamping plate at one end extending through one of said slots, each clamping device also including a leaf spring at the opposite end thereof engaging the opposite end portion of one of said clamp holders, each of said clamping plates having a generally L-shaped projecting strip thereon inserted into the plug hole of one of said clamp holders, each clamping device also having a hooked portion thereon and disposed within the raised portion of one of said clamp holders.