Wave transmission lines and networks – Automatically controlled systems – With control of equalizer and/or delay network
Patent
1975-03-25
1976-06-01
Smith, Alfred E.
Wave transmission lines and networks
Automatically controlled systems
With control of equalizer and/or delay network
333 70S, 333 70CR, H03H 704, H01G 442
Patent
active
039612953
ABSTRACT:
A solderless filter assembly wherein a filter in the form of a sleeve having a hollow bore extending therethrough is placed in electrical contact with a mounting body positioned therearound and an electrically conductive pin passing through the bore of the filter without requirement of solder. This is accomplished by providing an internal spring positioned around the pin and having convex tines thereon which provide a pressure fit with the internal diameter of the filter sleeve and is frictionally locked onto the pin. A second spring having concave tines is positioned around the outer diameter of the filter sleeve and provides a pressure fit therewith, the outer spring also making electrical contact with the shell or mounting body surrounding the filter. The filter sleeve and spring members are isolated from the external environment by pot stops which are positioned within cut out regions of the mounting body. Potting material is then placed into the hollow regions in the mounting body and against the pot stop to lock the pin in place within the mounting body by providing a bond to both the pin and the mounting body as well as to the pot stop. One end of the pin has an enlarged region positioned within the potting material to prevent lateral or rotational movement of the pin after formation of the filter assembly. The mounting body also can include threads thereon for threading the filter assembly into a bulkhead or the like directly or for securing the filter assembly into a bulkhead by means of a mating nut. In addition, the mounting body can be made straight and the filter assembly can be soldered into the bulkhead.
REFERENCES:
patent: 2994048 (1961-07-01), Schlicke
patent: 3200355 (1965-08-01), Dahlen
patent: 3320557 (1967-05-01), Garstang
patent: 3588758 (1971-06-01), Hurst
patent: 3721869 (1973-03-01), Paoli
patent: 3753168 (1973-08-01), Schor
patent: 3781723 (1973-12-01), Harwood
Bradbery Jack Leo
Hollyday Robert David
AMP Incorporated
Kita Gerald K.
Nussbaum Marvin
Smith Alfred E.
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