STRIKE ROLLER LOCKING DEVICE Russian patent published in 2008 - IPC E05C17/04 

FIELD: construction.

SUBSTANCE: invention relates to the field of manufacturing locking devices for windows and doors. The strike roller locking device for window or door blocks is made in the form of volumetric profiled details with an aperture for fastening to the fixed frame. The front and rear surfaces of the lath have flat sections. The rear surface is interconnected with two symmetrically located relative to the transverse of the details of curvilinear sites under the roller locking devices. One of the lateral surfaces is supplied with a longitudinal ledge for accommodation in a fixed frame. The lath has a protruding part interconnected with the front surface and which has grooves under the roller of the locking device, symmetrically located relative to the transverse axis of the component. The sizes of the protruding part are chosen from the condition of its accommodation between the fixed frame and the mobile shutter in the closed position of the latter and guarantee of the ventilation clearance at the position "compulsory ventilation".

EFFECT: ensures the creation of a device in which alongside with reliable fixation of the roller locking device in its reciprocal lath, it is possible for compulsory ventilation the accommodation.

5 cl, 4 dwg