LOCKING DEVICE Russian patent published in 2001 - IPC

FIELD: locking devices used as locks for doors of habitable and office rooms, gates, etc, preferably, for sliding and revolving doors consisting of two halves, particularly, with installation of locking device in internal cavity of door. SUBSTANCE: locking device has turning handle installed in door or its half, cross-bar connected with handle and moving over curvature when handle is turned and entering the second half or frame of door in working position and entering recess of stop installed in door, and also lock and interlocking device driven by lock mechanism, and in working post position of interlocking, by moving cross-bar upward. Cross-bar is made in the form of hook hinged in body in horizontal or close to horizontal position on one or several turning levers. One of levers is mechanically connected with handle so that with handle turned levers turn and reciprocate cross-bar over curvature and cross-bar enters stop recess to engage the stop. Lock and interlocking device are installed above cross-bar and in idle position space is left for motion of cross-bar over curvature. EFFECT: higher reliability, improved performance characteristics and extended field of application of locking device. 2 cl, 1 dwg