Electricity: electrical systems and devices – Housing or mounting assemblies with diverse electrical... – For electronic systems and devices
Patent
1997-04-08
1998-09-01
Pichard, Leo P.
Electricity: electrical systems and devices
Housing or mounting assemblies with diverse electrical...
For electronic systems and devices
361748, 361798, 211 4117, 439 59, H05K 710
Patent
active
058019260
ABSTRACT:
A circuit card ejection device for removing a number of circuit cards from a corresponding number of electrical connectors. An elongate panel is attached to an edge of a number of circuit cards opposite an edge having an edge connector. A first position is defined when the number of circuit cards are seated in and in electrical contact relationship with the corresponding number of electrical connectors. A first ejector lever is pivotally coupled to a first pair of sockets and a second ejector lever is pivotally coupled to a second pair of sockets located at a first and second end respectively of the panel where the plane of each one of the number of circuit cards is positioned between the first pair of sockets and between the second pair of sockets. A pivoting of the first ejector lever and the second ejector lever to a second position causes engagement surfaces of the first ejector lever and second ejector lever to engage a top end of a first frame member and a second frame member respectively to provide an extraction force directed within the plane of each one of the number of circuit cards. The extraction force moves the panel out of an abutting relationship with the top end of the first frame member and second frame member so that the number of circuit cards are no longer seated within the corresponding number of electrical connectors.
REFERENCES:
patent: 4603375 (1986-07-01), Miller et al.
patent: 4638405 (1987-01-01), Smith
patent: 4996631 (1991-02-01), Freehauf
patent: 5293303 (1994-03-01), Fletcher et al.
patent: 5584705 (1996-12-01), Lin
Cutsforth Robert S.
Johnsen Bryan A.
Gandhi Jayprakash N.
Pichard Leo P.
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