FIELD: locking systems.
SUBSTANCE: object of the invention is a device of unlocking of a door lock connected to door handle (1) installed with the possibility of sliding movement in doorway (5) between a non-working position, in which the handle is located flush with the door, and a working position, in which the handle protrudes relatively to the door. The unlocking device contains a cylinder installed on a support directly or indirectly fixed to the door. The cylinder is connected to a lock unlocking element via a control body of the lock unlocking element, in which the cylinder is installed in such a way that to locate opposite the handle, inclined relatively to a direction, normal to the door. A handle control mechanism contains first lever (6) and second lever (11) pivotally installed on the handle and connected to each other by means of connecting thrust (10), forming together with the handle a deformable quadrilateral, the deformation of which leads to a handle progressive movement.
EFFECT: creation of a mechanism of door lock unlocking, the operation of which is guaranteed under bad weather conditions.
16 cl, 12 dwg
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Authors
Dates
2022-01-17—Published
2018-05-09—Filed