DOOR LOCKING DEVICE Russian patent published in 2008 - IPC E05C1/02 

FIELD: construction, particularly wing closing devices.

SUBSTANCE: wing locking device comprises cross-bar provided with drive for cross-bar reciprocation and means for cross-bar fixation in working position. Cross-bar reciprocation drive is made as slide with inner handle retained inside it. Slide is installed on cross-bar face so that cross-bar may perform limited reciprocation with respect to cross-bar in direction of longitudinal axis. Slide cooperates with cross-bar in extreme positions thereof. Cross-bar has through longitudinal slot made from rear side thereof and extending for cross-bar length section. Means for cross-bar fixation in working position is made as lever spring-loaded in transversal direction. Lever has depression in free end and has roll on free lever end. Depression cooperates with cross-bar end. Roll cooperates with extension created on slide from the side of said through longitudinal cross-bar slot.

EFFECT: increased operational reliability and convenience.

3 dwg