Socket having low insertion force contact system

Details Socket having low insertion force contact system Socket having low insertion force contact system

1995-06-12

1997-04-15

Pirlot, David L.

Electrical connectors

With insulation other than conductor sheath

Plural-contact coupling part

439630, H01R 2370

Patent

active

056203420

ABSTRACT:
A socket (8) for electrically connecting a circuit card (4) to a substrate comprises a dielectric housing (10) defining a card-receiving slot (12) having a bottom surface (24) and a pair of opposite side surfaces (26, 28), and a plurality of contacts (31, 32) spaced apart along the length of the slot. The plurality of contacts include contact beams (37, 38) at least some of which extend to a greater height above the bottom surface than others of the contact beams. Each of the contact beams includes a contact section (45, 46) extending into the slot and having a card-contacting surface (47, 48) for electrically connecting with the circuit card. All of the card-contacting surfaces are at a substantially same height above the bottom surface. During insertion of the circuit card into the slot, the at least some contact beams are engaged and deflected by the circuit card before the others of the contact beams, and upon full insertion of the circuit card in the slot, each of the contact beams has a respective point of contact with the circuit card at said substantially same height.

REFERENCES:
patent: 3193791 (1965-07-01), Bock et al.
patent: 4648668 (1987-03-01), Sinisi
patent: 5071371 (1991-12-01), Harwath et al.
patent: 5112231 (1992-05-01), Harwath et al.
patent: 5162002 (1992-11-01), Regnier
patent: 5203725 (1993-04-01), Brunker et al.
patent: 5263870 (1993-11-01), Billman et al.
patent: 5360346 (1994-11-01), Regnier

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