Electrical circuit board interconnect

Details Electrical circuit board interconnect Electrical circuit board interconnect

1989-12-05

1991-09-17

Bradley, Paula A.

Electrical connectors

Interrelated connectors relatively movable during use

With storage means for flaccid conductor

439 74, 439591, 439884, H01R 909

Patent

active

050490842

ABSTRACT:
A connector arrangement for providing electrical interconnection between corresponding contact pads of opposed first and second circuit boards includes an electrically nonconductive support member disposed between the boards, a bodily-rotatable, electrically conductive interconnect element, generally of dumbbell shape, extending through the thickness of the support and having a pair of pad engagement surfaces disposed to engage the respective contact pads, and a clamp for retaining the circuit boards in a clamped-together relationship with the support member in a compressed, reduced thickness state and with the interconnect member bodily rotated. The support member includes a resilient elastomeric material, has support surfaces respectively opposed to the board surfaces, and is adapted to be compressed by urging of the boards together. A line projected through the engagement surfaces at the time of their initial engagement upon the contact pads is disposed at an initial, acute angle to the direction of thickness of the support member, and, when being rotated, the same line lies at an acute angle to the direction of thickness of the support greater than the initial angle, the body of the support being locally deformed by the interconnect element and resiliently biasing the interconnect towards its original position, into engagement with the pads.

REFERENCES:
patent: 3795037 (1974-03-01), Luttmer
patent: 4479685 (1984-10-01), Kirby
patent: 4634199 (1987-01-01), Anhalt et al.
patent: 4793814 (1988-12-01), Lifcak et al.
patent: 4871316 (1989-10-01), Herrell et al.
Loeffel et al., IBM Technical Disclosure Bulletin, vol. 20, No. 4, (Sep. 1977).

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