Electricity: magnetically operated switches – magnets – and electr – Permanent magnet-actuated switches
Patent
1983-11-17
1985-10-01
Harris, George
Electricity: magnetically operated switches, magnets, and electr
Permanent magnet-actuated switches
335207, H01H 900
Patent
active
045449031
ABSTRACT:
An electrical connector system includes two cooperating connector components, each of which includes a housing of electrically insulating material and a support body mounted for movement within the housing. Each support body carries a contact member and a magnet member, and biasing means retracts the support body into the housing. When the two connector components are in juxtaposed relation, magnetic forces produced by the aligned magnet members interact to draw the support bodies out of their housings and place the contact members in engagement to complete electrical circuits therebetween, the circuits being maintained by the magnetic forces and released when the support members are moved to an offset position. The magnets provide a constant closing force on the contact members when the magnets are aligned, irrespective of the positions or relative movement of the closure surfaces that they are monitoring. Thus, windows and doors that have loose fittings or may move while in the "secure" position are unlikely to cause intermittent circuit interruption of the monitoring connector system. When the window or door is opened, either by direct pull or by sliding action, the magnetic elements assist the support bodies to snap apart and the contact surfaces retract into their housings where they are less vulnerable to damage.
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Harris George
Pittway Corporation
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