Patent ID: 7832307

Claim:
Corkscrew ( 1 ) for caps made of cork comprising a central body ( 2 ) and a base ( 3 ) joined thereto; the central body ( 2 ) having two plane and parallel surfaces ( 2 a ) each one of which has a pin ( 2 b ) that allows a coupling with a first lever ( 7 ) and a second lever ( 8 ) wherein: each of said levers ( 7 , 8 ) have corresponding grooves ( 11 , 12 ), each of said grooves being in contact respectively with a first pin ( 41 ) and a second pin ( 51 ) that project respectively from a first concentric barrel ( 4 ) and a second concentric barrel ( 5 ) inserted in said central body ( 2 ); said first concentric barrel ( 4 ) having a worm ( 43 ) while said second concentric barrel( 5 ) has a bush ( 53 )inside of which said worm ( 43 ) is engaged; said first pin ( 41 ) and said second pin ( 51 ) being coupled respectively with said grooves by passing through a rectilinear opening ( 21 ) provided in the central body ( 2 ) so that said first concentric barrel( 4 ) and said second concentric barrel ( 5 ) perform a rectilinear stroke along an axis of a cork to be extracted wherein the rectilinear opening ( 21 ) drives both said first pin ( 41 ) and said second pin ( 51 ).