DEVICE FOR REGISTERING INTERVENTION IN PROTECTED OBJECT Russian patent published in 2004 - IPC

FIELD: identification and indication means engineering.

SUBSTANCE: device has cup, cover and assembly for fixing these to each other, and in it a "weak" element is inserted in form of membrane with punching, in area of punching on upper surface of membrane micro-craters are made in random fashion, membrane is placed directly under cover, in the cover oppositely to punching a window is made, fixing assembly is a collet and rod with recesses, which fixes, in its turn, device on protected object, while collet on one side is rigidly connected to membrane, and on the other contacts the rod in such a way that collet tabs are inserted into its recesses.

EFFECT: higher reliability, prevented forgery and unsanctioned replacement of device, simplified construction.

3 cl, 2 dwg