Electricity: electrical systems and devices – Housing or mounting assemblies with diverse electrical... – For electronic systems and devices
Patent
1995-07-21
1998-04-07
Phillips, Michael W.
Electricity: electrical systems and devices
Housing or mounting assemblies with diverse electrical...
For electronic systems and devices
361816, 361818, 361724, 361727, 174 35R, H05K 714
Patent
active
057371938
ABSTRACT:
A cabinet is provided for housing a plurality of electrical chassis. Each one of the chassis contains electronic devices and components, such as for example, a magnetic storage disk drive. The cabinet has a plurality of shelves adapted to receive one of the chassis. The shelves are provided by a cage-like structure. More particularly, each shelve has a pair of laterally spaced, electrically conductive wires upon which laterally spaced bottom portions of chassis rests when inserted into the cabinet. Wire struts are mechanically and electrically connected transverse to the laterally spaced shelve wires. A resilient, electrically conductive V-shaped clip is provided. The vertex of the V-shaped clip is shaped to attach to the wire strut with one side of the clip projecting into the bottom portion of the chassis receiving space provided by the shelve, and the other side of the clip projecting into the upper portion of a chassis receiving space provided by a lower shelve. When the upper and lower chassis are inserted into the spaces, the sides of the clip engage the upper and lower chassis and, by camming action, compress the sides of the clip inwardly while the resiliency of the clip urges the sides outwardly to maintain contact with the chassis. With such arrangement, the cage-like shelve structure enables effective cooling to the chassis and the clips ensure good ground contact between the chassis and the cabinet. Thus, the cabinet provides for both EMI shielding and assists in the elimination of electrostatic discharge (ESD).
REFERENCES:
patent: 4544066 (1985-10-01), Koppensteiner et al.
patent: 4821145 (1989-04-01), Corfits et al.
Tinnerman Brand Fastners Catalogue p. 55 part number C50497-031, 1987.
LaRiviere Phillip H.
Nelson Richard Albert
EMC Corporation
Foster David
Phillips Michael W.
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