DOOR LOCK Russian patent published in 2001 - IPC

FIELD: ironmongery. SUBSTANCE: door lock has body accommodating cross-bar plate with spindles and support, spring-loaded pins engageable with cross-bar through mentioned support, latch plate mounting spindles and spring, bolt plate with spindles and clamp engaging two links made for synchronous displacement in one plane and in opposite directions; spindles engageable with door block are fastened to links, one link is engageable with bolt plate, other one, with bolt and cross-bar. Door lock is provided with lever engaging latch plate, cam with clamp engaging bolt plate, and key with code combination. Bolt plate clamp has its loosening member; cam has rod passed through it as well as internal and external lock-handles; rod is coupled with both lockhandles; link connected to clamp plate and cross-bar is spring-loaded. EFFECT: improved breaking resistance. 5 cl, 8 dwg