Anti-theft locking bolt assembly

An anti-theft locking bolt assembly comprising:

• an anti-theft bolt, a bolt cap, a lock cylinder housing, and a lock cylinder;
• the anti-theft bolt comprising a shaft and a head,
• the shaft having an external threading configured to match a threating of an article to be protected, and an inner channel,
• the head having a generally flat upper surface comprising a center bore having a noncircular perimeter;
• the bolt cap having a top part, a bottom part, and a central hole extending through the top and bottom parts,
• the top part having a perimeter larger than a perimeter of the bottom part thus forming a lip, the top part having at least one straight part on its perimeter, and
• the bottom part having a non-circular perimeter matching with the non-circular perimeter of the center bore, and the bolt cap being configured to be attached with attaching means onto the anti-theft bolt through the central hole when the bottom part of the bolt cap is inserted into the central bore;
• the cylindrical lock housing configured to cover the lock cylinder and the bolt cap and having at least one inner slot for adapting a lock stud and the lip of the bolt cap to provide a locking medium for the lock cylinder and the bolt cap, and the lock cylinder housing configured to rest on top of the anti-theft bolt head, wherein the assembly comprises means to allow at least partially free rotation of the lock cylinder housing on top of the anti-theft bolt head to prevent transfer of torque to the bolt;
• and
• wherein the anti-theft bolt lock assembly is in locked position when the lock cylinder housing is resting on the anti-theft bolt, the bolt cap is inserted through the upper opening of the housing such that the bottom part of the bolt cap snugly fits into the central bore, the lip of the top part rests on an lower inner edge of the at least one slot of the lock cylinder housing, and the lock cylinder is inserted through the upper opening into the lock cylinder housing and turned such that the stud extends into the slot and is blocked by an upper inner edge of the slot.