Cap for vacuum jug is hollow and has aperture in its base containing spherical locking component, top of cap sliding or rotating so that connecting strip releases locking component

摘要

The cap for a vacuum jug is hollow and has an aperture (7) in its base (5). This contains a spherical locking component (8). The top (10) of the cap slides or rotates so that a connecting strip (14) releases the locking component.