Patent ID: 7780483

Claim:
A device for press-fit an electrical contact hole comprising: an electrical contact with a contact portion, an insert portion and a position portion therebetween; an insert guide portion disposed at an insert end of said insert portion; a resilient portion between said insert guide portion and said position portion wherein said resilient portion has an opening therein formed as an elliptical shaped portion with an oblong end portion extending from said elliptical shaped portion and disposed at each end of said resilient portion along a longitudinal axis of said electrical contact; said resilient portion comprising a first beam and a second beam spaced apart and arched with a convex outside edge symmetrically disposed along said longitudinal axis, and a first projection and a second projection spaced apart and opposed orthogonal to said longitudinal axis disposed on an inner surface of said opening; and said insert guide portion has two approximately parallel opposed outside edges that transition in a first concave curved arc to said convex outside edges at a first transition edge forward of an opening insert end; and said convex outside edges transition in a second concave curved arc to said position at a second transition edge forward of an opening contact end; wherein said first beam and said second beam merge at a first end portion adjacent said opening insert end and at a second end portion adjacent said opening contact end; and wherein said two opposed outside edges and said convex outside edges have a curved lateral surface.