Electricity: circuit makers and breakers – Plural switches control single circuit
Patent
1992-02-10
1993-06-15
Luebke, Renee S.
Electricity: circuit makers and breakers
Plural switches control single circuit
200 4316, 200518, 200331, H01H 2180
Patent
active
052190668
ABSTRACT:
A wall mounted alarm switch assembly intended to be positioned at the site of an existing electric circuit includes a remote mechanical actuating mechanism for the switch assembly. The actuating mechanism comprises dual side-by-side manual interfaces or knobs which are positioned at a location immediately below the position of the switch assembly. The manual interfaces are connected to the switch assembly by rigid members. The distance between the manual interfaces and the switch assembly is adjustable. The alarm switch is activated when both interfaces are moved, each in a direction away from the other, thereby separating the two interfaces.
REFERENCES:
patent: 809120 (1906-01-01), Levinson
patent: 2221992 (1940-11-01), Ojalvo
patent: 2665340 (1954-01-01), Hammerstrand
patent: 3109900 (1963-11-01), Van Hook
patent: 3755642 (1973-08-01), Warner
patent: 3774000 (1973-11-01), Beer
patent: 3821529 (1974-06-01), Kallage, Jr. et al.
Kramer Daniel E.
Luebke Renee S.
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