Electricity: circuit makers and breakers – Electric switch details – Cases and bases
Patent
1994-04-19
1995-08-15
Luebke, Renee S.
Electricity: circuit makers and breakers
Electric switch details
Cases and bases
H01H 1306
Patent
active
054421519
ABSTRACT:
A compression seal assembly includes an elongated annular wall defining a passageway in a housing of a device, a push button disposed in the passageway, and an annular flange flexibly attached to the push button and compressed by the annular wall against a stationary wall to define a hermetic seal surrounding the push button. The annular wall has an outer end connected to an annular portion on the housing which defines an opening which is axially aligned with the passageway of the annular wall. The annular wall has an inner end which is spaced through a predetermined distance from a surface in the interior cavity of the housing. The push button has a body portion extending through the passageway of the annular wall and being movable relative thereto. The body portion of the push button has an upper end disposed adjacent to the housing opening and a lower end disposed adjacent to and spaced from the surface in the interior cavity of the housing. The annular flange is disposed about and adjacent to the lower end of the body portion of the push button and upon the surface in the interior cavity of the housing. The flange is compressed between the inner end of the annular wall and the surface in the interior cavity of the housing sufficiently to define a hermetic seal therebetween.
REFERENCES:
patent: 4170104 (1979-10-01), Yamagata
patent: 4540865 (1985-09-01), Calder
patent: 4641004 (1987-02-01), Keprda
patent: 4673780 (1987-06-01), Kenway
patent: 4766271 (1988-08-01), Mitsuhashi et al.
patent: 5172805 (1992-12-01), Gumb
Howard Carol Z.
Strang Ward E.
'Hubbell Incorporated
Luebke Renee S.
Presson Jerry M.
Swartz Michael R.
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