System for providing air flow control and EMC shielding of front

Electricity: electrical systems and devices – Housing or mounting assemblies with diverse electrical... – For electronic systems and devices

Patent

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Details

174 35GC, 361704, H05K 720

Patent

active

059432195

ABSTRACT:
A circuit card face plate with an elastomeric, electrically-conductive seal that provides electromagnetic compatibility sealing and air flow control for a front panel of an electronic equipment frame. The seal gasket is in electrically-conductive contact with the face plate and an adjacent face plate, thus, with all cards in place, an air flow barrier and an electrically-conductive surface is established. To this end, an elastomeric, electrically conductive seal in a modified figure-eight cross-section provides a close fit with minimal lateral pressure being exerted on adjacent cards. Further a pin on both the top and the bottom of the face plate inserts into a hole on an upper and lower rack shelf maintain alignment of the cards when they are in the frame.

REFERENCES:
patent: 3904937 (1975-09-01), Levin
patent: 4872212 (1989-10-01), Roos
patent: 5045635 (1991-09-01), Kaplo
patent: 5202536 (1993-04-01), Buonanno
patent: 5289347 (1994-02-01), McCarthy
patent: 5388995 (1995-02-01), Rudy, Jr.
patent: 5504657 (1996-04-01), Stocco
patent: 5545845 (1996-08-01), Flores

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