| 摘要 |
The invention is a corkscrew (1) for caps made of cork or plastics equipped with two levers (7) and (8) each having two shaped or cam outlines (11, 12) that subject corresponding teeth (41) and (51), carried by concentric barrels (4) and (5), to different movements such as to allow the complete extraction of the cap from the bottle and its ejection. The corkscrew (1) takes care of blocking the bottle neck during the worm screwing through a garter-spring tightening arrangement (6). The levers (7,8) are synchronously moved through teeth (13) that engage a toothed wheel (14).
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