Anti-theft device for items having portions which can be surrounded by straps or the like

An anti-theft device for objects provided with surroundable portions which comprises a strap, an enclosure which contains an excitable signaling component and an engagement means in which it is possible to insert and lock a first end of the strap, wherein said engagement means is rigidly coupled to, and adjacent to, said enclosure together with a coupling element for the mating of a second end of the strap, which is closed like a noose onto an element to be protected against theft, and wherein said first end of the strap is rack-shaped with teeth having a triangular cross-section, and said second end has two lugs having identical cylindrical ends which are coaxial and mutually opposite and protrude at right angles to the main direction of said lugs.

An anti-theft device for objects provided with surroundable portions which comprises a strap, an enclosure which contains an excitable signaling component and an engagement means in which it is possible to insert and lock a first end of the strap, wherein said engagement means is rigidly coupled to, and adjacent to, said enclosure together with a coupling element for the mating of a second end of the strap, which is closed like a noose onto an element to be protected against theft, wherein said coupling element is substantially shaped like a parallelepiped with a portion having rounded edges and a through hole with a radial opening which affects the entire length of said hole except for a central region, in whose adjacent regions said radial opening is wider, leaving at the ends of said portion two flexible wings.