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Title

A hazard free screened switch using magnetic flux and glass

Applicant

KHAN NAWAB IKRAMULLAH

Inventor

Khan Nawab Ikramullah

   

Opposition

-

Filed

2008-06-02

Published

2008-12-03

Abstract

A screened switch comprising; two permanent horseshoe magnets, one located in a safe zone, the other located in a dangerous work zone, the magnets being connected via a glass sheet; two electrical contacts isolated from each other within the safe zone; a third contact which makes or breaks the electrical circuit being fixed on the lower magnet in the dangerous zone; a manual force being applied to the upper magnet in the safe zone causes it to move to and fro moving the lower magnet in the dangerous zone along with it thus making or breaking the circuit.

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