FIELD: locksmith's work.
SUBSTANCE: the lock has a body, cross-bar placed in the body for motion, catch and a means for control of the cross-bar and catch, it is also provided with a base with the cross-bar fastened on it and a device made in the form of a screw pair providing for displacement of the cross-bar in the axis of the screw pair for provision of optimal fit of it to the conjugated surface.
EFFECT: enhanced sealing of closed doors.
9 dwg
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