Electricity: circuit makers and breakers – Electric switch details – Cases and bases
Reexamination Certificate
2005-10-18
2005-10-18
Luebke, Renee (Department: 2833)
Electricity: circuit makers and breakers
Electric switch details
Cases and bases
C200S339000
Reexamination Certificate
active
06956179
ABSTRACT:
A switch has a housing (11), a pair of switching units (17, 18) with buttons (19) that can be depressed to operate each switch unit, and a rocker (23) pivotally mounted on the housing to pivot clockwise and counterclockwise from a neutral position. An elastomeric diaphragm (30) mounted on a top wall (12) of the housing, extends across an aperture (13) in the housing, with first and second lower parts (28, 29) of the rocker passing through the diaphragm to rest closely above the buttons on the switch units. The diaphragm not only largely seals the switch units, but biases the rocker towards the neutral position.
REFERENCES:
patent: 3654415 (1972-04-01), Hawkins et al.
patent: 5603400 (1997-02-01), Goto et al.
patent: 5660270 (1997-08-01), Martin et al.
patent: 5902972 (1999-05-01), Nestor et al.
patent: 0604837 (1993-12-01), None
patent: 2241383 (1991-08-01), None
Gillman Uwe
Immig Uwe
Lamm Klaus
Maurer Rainer
Stoffers Michael
ITT Manufacturing Enterprises Inc.
Luebke Renee
Van Winkle Peter
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