| 摘要 |
<p>In a pocket corkscrew, handle 1 is pivotally operating around two fulcra (4,6), around the first one (4) during a first run of the cork (14) and around the second one (6) during the second and definitive run of the same cork. Increase of arm 2-4 into arm 2-6 allows cork to run a further path d2, avoiding a second screwing of extracting means 3. <IMAGE></p> |
