FIELD: ironmongery. SUBSTANCE: lock with indication of open state has body housing fork rotary bolt with protrusion, switch with drive rod mounted for movement inwards of switch and intermediate spring member coming in the form of plate arranged between drive rod and protrusion of bolt. First end of plate forms spring segment ring and is fixed on switch. Second end plate protruding beyond dimensions of switch is provided with edge bend interacting with protrusion of bolt, which is formed on its flat surface and mounted for movement over arc with reference to turning axis of bolt. EFFECT: raised operational reliability of lock. 6 cl, 5 dwg
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