Patent ID: 6427556
Filing Date: 2002-08-06
Classification: B67B

Abstract:
A corkscrew comprising a wormscrew and a device to center and align to said wormscrew a bottle having a body and a neck of any diameter whatsoever from which the cork is to be extracted, said neck having an upper part, said device comprising:centering means for axially centering said neck bottle with respect to said wormscrew of said corkscrew; and positioning means for positioning said wormscrew with respect to said upper part of said neck before starting a screwing operation of said wormscrew into said cork; wherein said positioning means comprises a substantially cylindrical collecting tube, disposed substantially coaxial to said wormscrew, and said collecting tube having an abutment disposed in a lower part of said collecting tube, said abutment defining a stop reference position against said neck, a point of said wormscrew being at rest always at a same predetermined distance from said abutment, and wherein said centering means comprises an elastic means and comprises a hollow conical element coaxial to said collecting tube and axially movable with respect to said collecting tube against an action of said elastic means and able to cooperate with said upper part of said neck to axially center said neck with respect to said wormscrew, said collecting tube having an inner sidewall proximal to said wormscrew and an outer sidewall distal to said wormscrew, said hollow conical element comprises a through hole in which said lower part of said collecting tube is lodged for allowing said abutment to contact said upper part of said neck after said neck is axially centered with respect to said wormscrew, such that the hollow conical element is mounted to slide along said outer sidewall of the collection tube.