LOCK WITH SIGNALLING OF OPEN POSITION Russian patent published in 1997 - IPC

FIELD: locking devices. SUBSTANCE: lock has body which accommodates catcher in the form of turning fork, detent of catcher and module of open position signalling cut-out. Catcher is made of ferromagnetic material and has protrusion located at side which is opposite to stopping slot. Protrusion can be made integrally with catcher and it can move beyond body and wall perimeter into zone of cut-out module which is installed in one version on short side of body. With that, flat side of protrusion is turned to sealed-contact reed relay, and its end part is turned to permanent magnet of cut-out module. EFFECT: high efficiency. 3 cl, 3 dwg