Abstract: A corkscrew comprising a body and a handle, the body including a socket adapted to receive the neck of a bottle sealed by a cork, an actuation lever, an axially rotatable worm spiral mounted on a carriage within the body and arranged to rotate and penetrate the cork as the lever is lowered, the spiral being further arranged to cease rotation as the lever is raised to withdraw the cork from the bottle, the corkscrew being further arranged to discharge the cork from the screw by lowering and raising the lever after the neck of the bottle has been removed from the socket.

Abstract: A corkscrew comprising a body and a handle, the body including a socket adapted to receive the neck of a bottle sealed by a cork, an actuation lever, an axially rotatable worm spiral mounted on a carriage within the body and arranged to rotate and penetrate the cork as the lever is lowered, the spiral being further arranged to cease rotation as the lever is raised to withdraw the cork from the bottle, the corkscrew being further arranged to discharge the cork from the screw by lowering and raising the lever after the neck of the bottle has been removed from the socket.

Abstract: A corkscrew comprising a body and a handle, the body including a socket adapted to receive the neck of a bottle sealed by a cork, an actuation lever, an axially rotatable worm spiral mounted on a carriage within the body and arranged to rotate and penetrate the cork as the lever is lowered, the spiral being further arranged to cease rotation as the lever is raised to withdraw the cork from the bottle, the corkscrew being further arranged to discharge the cork from the screw by lowering and raising the lever after the neck of the bottle has been removed from the socket.