DOOR BLOCK Russian patent published in 2015 - IPC E06B3/70 

FIELD: construction.

SUBSTANCE: door block is proposed, which comprises a fixed rod structure, a movable rod structure and a control device. The control device comprises a control element connected with the fixed rod structure as capable of disconnection and having a rod section; a fixing element connected with the movable rod structure as capable of disconnection, and having the first cavity on its upper part for placement of the rod section, and the second cavity at one side; and a cam element made as capable of placement in the second cavity and attached to the fixing element as capable of rotation, and made as capable of displacement between the opening position and closing position. The door block may be installed without drilling.

EFFECT: minimisation of a risk to damage rod structures and possibility of installation by one person.

10 cl, 11 dwg