Electricity: conductors and insulators – Boxes and housings – Hermetic sealed envelope type
Patent
1993-04-19
1994-08-23
Tolin, Gerald P.
Electricity: conductors and insulators
Boxes and housings
Hermetic sealed envelope type
248 273, 333185, 336 90, 361818, 439620, H01R 1366
Patent
active
053409442
ABSTRACT:
An electromagnetic interference filter has an input socket, an insulated base, an insulated upper cover, a metal case, an L-shaped, elongated ground terminal, two short output terminals, a grounded bridge hook, two spring plates and the internal circuit elements. The two spring plates are fitted into openings on the upper and lower surfaces of the metal case which covers the insulated base. An oblique protruding block on either side of the input socket penetrates through a square hole on either side of the metal case to couple the case to the input socket. Upwardly oblique extending spring plates are provided on both of the upper and lower surfaces of the metal case which spring plates are pressed against casing walls to hold the assembly firmly and stably immobilized onto the casing walls.
REFERENCES:
patent: 4713633 (1987-12-01), Saito
patent: 4816966 (1989-03-01), Frankowski
patent: 5221215 (1993-06-01), Tan
patent: 5256841 (1993-10-01), Zanella
patent: 5257950 (1993-11-01), Leuker
Delta Electronics , Inc.
Tolin Gerald P.
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