Patent ID: 8029325

Claim:
A connection unit comprising: an insert with two parts, a front part and a back part, respectively, said insert parts being placed one against the other and each insert part being provided with longitudinal through holes so that at least one longitudinal through hole in the front part of the insert coincides with a longitudinal through hole in the back part of the insert; at least one forced-mounting contact extending through said at least one longitudinal through hole in the front part and through a coincident longitudinal through hole in the back part, said at least one forced-mounting contact comprising a front portion with a stop pressing on a mechanical stop in said at least one longitudinal through hole in the front part of the insert and a back portion with a retainer so that said back portion is forced into said coincident longitudinal through hole in the back part of the insert, wherein mechanical behavior of the two parts of the insert is provided by the presence of said at least one forced-mounting contact in the front and back parts of the insert; and at least one clip contact maintained in said at least one longitudinal through hole in the front part of the insert and in said coincident longitudinal through hole in the back part of said insert by a retaining clip, said retaining clip being integral with one of the two parts of the insert.