(57) This invention refers to a device that enables the removal of corks from cava, champagne
and sparkling wine bottles, which is handled with only one hand and effortless. The
device is based on using the increment of force supplied by a lever when the fulcrum
and resistance are very close to each other. In our case, the device is inserted in
the slit or groove found in the cava bottles between the head of the cork and the
mouth of the glass bottle. Its practical development is achieved with two blades located
in front of each other, separated between 20 and 25 mm and joint physically. One of
them has an arm that allows the ensemble to move first upwards and, if the cork did
not come out, a downwards movement of the lever will remove the stopper. The mechanical
union of both blades can be made in several ways: 1) joining them through one of their
sides, 2) with two symmetrical steel strips with two opposed blades in an inlet at
the end of each strip, joint together through the closest end, forming a clamp with
its rotation axis on the joining point and 3) through an upper bridge between both
blades.
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