Appliance to release the lid of a vacuum-sealed glass jar, to be unscrewed by hand, has a hook at a rocker bar to lift the lid edge and break the vacuum in the jar

摘要

The appliance to open the screw lid (2) of a vacuum-sealed glass jar (1) has a hook (3), passing under the lid edge (4), attached to a rocker bar (5) on a lateral rod support (6). The bar acts on the hook to lift the lid and break the vacuum within the jar.