MAGNET-CONTROLLED SWITCHING ELEMENT Russian patent published in 1994 - IPC

FIELD: automatic control. SUBSTANCE: device has pressurized housing, two light guides which have polished ends and which are placed overhanging and opposite one to another inside opposite parts of housing. In addition device has L-shaped shutter which is mounted overhanging in one face of housing so that its smaller part is between ends of light guides. At last, device has ferromagnetic plate mounted in opposite face of housing for contact with bigger part of shutter. Housing is made of two caps shaped as plates and at least two side shells. In addition device has at least one pair of light guides, L-shaped shutter and ferromagnetic plate which are mounted inside housing in same way as main members. All light guides and ends of shutters and plates are mounted in holes in opposite faces of housing. Holes are produced by mutually opposite grooves in adjacent side shells. EFFECT: increased functional capabilities. 4 dwg