Anti-theft and safety mechanism for bottles

An anti-theft and safety mechanism for bottles, of the type comprising a case and first locking and unlocking means of said mechanism, contained inside said case, said first locking and unlocking means being adapted to be magnetically attracted by magnetic or electromagnetic means external to said case for unlocking said mechanism, second locking and unlocking means being provided which are adapted to be actuated, when locking, through a manual action, after said mechanism has been inserted onto the neck of said bottle and, when unlocking, as consequence of an unlocking action exerted with said magnetic or electromagnetic means onto said first locking and unlocking means, so that the only application of said external magnetic or electromagnetic means generates the complete unlocking of said first and second locking and unlocking means, allowing the removal of the mechanism from the neck of the bottle, wherein said first locking and unlocking means are adapted to be actuated, during the locking action, with only insertion of said mechanism onto the neck of said bottle and comprise a hook which is adapted to fasten a collar of said bottle, and the second locking and unlocking means comprise a first half-circular element adapted to be moved in contact with the neck of the bottle preventing the access to the tip of the hook.