Electricity: circuit makers and breakers – Special application – Actuated concurrently with operation or use of art device
Patent
1979-07-10
1981-06-02
Dobeck, B.
Electricity: circuit makers and breakers
Special application
Actuated concurrently with operation or use of art device
200 6193, 335205, 340547, H01H 316
Patent
active
042713382
ABSTRACT:
A security device adapted for use with a slidable-type window or the like basically comprises a two-part electrical contact switch, one switch part being mounted on the molding surrounding the window frame and being electrically connectible to an alarm system, and the other switch part being slidably associated with a longitudinal bracket mounted on the window frame adjacent the first switch part. The window frame can be slid open or closed, without activation of the alarm system, by holding the two switch parts in electrical contact with each other.
REFERENCES:
patent: 3636484 (1972-01-01), Lea
patent: 4151382 (1979-04-01), Kaufman et al.
Briody Thomas A.
Dobeck B.
Ginsburg Morris
North American Philips Corporation
Schneider Rolf E.
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