Zero insertion force card guide

Details Zero insertion force card guide Zero insertion force card guide

1975-08-18

1976-11-16

Tolin, Gerald P

Heat exchange

With valve or movable deflector for heat exchange fluid flow

With by-pass of heat exchanger or heat exchanger section

165 80, 317101DH, 339 75MP, H05K 720

Patent

active

039926532

ABSTRACT:
An electronic module which provides for the insertion of printed circuit cards into the card receptacles of a heat exchanger with essentially zero insertion force. The printed circuit cards are of the type wherein individual electrical components are mounted on printed wiring boards with the body of the components in physical contact with thermally conductive strip members also located on the printed circuit board. These strip members terminate at the edge of the board at which is located an edge strip, also formed from a thermally conductive material. The edge strip is arranged to cooperate with a surface of a heat exchanger. A plurality of springs are provided for normally urging the edge strip against this surface. When it is desired to insert or remove a printed circuit card, the springs are compressed in unison so as to allow free ingress and egress to the card receptacle.

REFERENCES:
patent: 2857577 (1958-10-01), Vanderpool
patent: 3211822 (1965-10-01), Krall
patent: 3495132 (1970-02-01), Anhalt
patent: 3631325 (1971-12-01), Wenz

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