CROSS-BAR Russian patent published in 2007 - IPC E05B15/10 

FIELD: ironmongery, particularly locks and locking systems adapted to prevent intrusion.

SUBSTANCE: cross-bar comprises fixed and movable parts. Fixed part is defined by body with guiding means. Movable part is made as head with tail connected with each other and installed so that the movable part may reciprocate along fixed part for distance equal to movable part stroke by means of rolling friction or sliding friction members and bearing members for fixation thereof. Cross-bar comprises cover members formed of angle bar or plate or channel bar or tube to increase head rigidity and strength, as well as fastening parts, which create screw-nut connections and spacing bushes with end surfaces. Fastening parts are adapted to secure spaced sheets one to another, wherein the sheets form the head and the tail. The head is made of sheet edge provided with covering members connected thereto. Spacing bushes are arranged in cavity and are partly inserted in through orifices so that the spacing bushes are coaxial to fastening parts.

EFFECT: increased efficiency.

2 cl, 6 dwg