Patent ID: 7372363

Claim:
A security device for a bottle having a neck fitted with a closure, said device comprising: a body defining a sleeve into which at least a part of the bottle neck and its closure can be inserted, the body also defining a housing to one side of said sleeve; a first catch member pivoted within the housing for movement between free and locking positions, the first catch member having an inner portion which projects into the sleeve to engage behind a shoulder of the bottle neck or the closure therefor when the catch member is in its locking position with the device fitted to a bottle thereby to resist removal of the device from the bottle; an operating member also pivoted to the housing and movable between open and closed positions; spring means acting between the first catch member and the operating member and arranged to urge the catch member to its locking position when the operating member is in its closed position; and a magnetically-releasable latch arranged to hold the operating member in its closed position unless acted upon by an external magnetic field.