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A hand blender powered by an electric motor, for mixing or comminuting foodstuffs in a container, includes a working shaft having an output end, a processing tool attached to the output end of the working shaft, a shaft housing which carries the working shaft, and a bell-shaped casing enclosing the

A hand blender powered by an electric motor, for mixing or comminuting foodstuffs in a container, includes a working shaft having an output end, a processing tool attached to the output end of the working shaft, a shaft housing which carries the working shaft, and a bell-shaped casing enclosing the processing tool. The bell-shaped casing has a lower chamber, a lower end bounded by an aperture, and a plurality of lateral openings for the discharge of foodstuffs. A cover plate within the bell-shaped casing forms a fluid-tight seal between the lower chamber and an inner chamber of the shaft housing. The hand blender also includes an air supply structure through which outside air is supplied to the lower chamber of the bell-shaped casing when the bell-shaped casing is immersed in the foodstuffs. The air supply structure includes a flow channel with an inlet side which communicates with the outside air and an outlet side which communicates with the lower chamber of the bell-shaped casing.

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[ What is claimed is:] [1.] A hand blender powered by an electric motor, for mixing or comminuting foodstuffs in a container, the hand blender comprising:a working shaft having an output end;a processing tool which is attached to the output end of the working shaft;a shaft housing which carries the

[ What is claimed is:] [1.] A hand blender powered by an electric motor, for mixing or comminuting foodstuffs in a container, the hand blender comprising:a working shaft having an output end;a processing tool which is attached to the output end of the working shaft;a shaft housing which carries the working shaft;a bell-shaped casing having a lower chamber which encloses the processing tool, a lower end bounded by an aperture, and a plurality of lateral openings for the discharge of foodstuffs;a cover plate within the bell-shaped casing forming a fluid-tight seal between the lower chamber and an inner chamber of the shaft housing; andan air supply structure through which outside air is supplied to the lower chamber of the bell-shaped casing when the bell-shaped casing is immersed in the foodstuffs, said air supply structure including a flow channel having an inlet side which communicates with the outside air and an outlet side which communicates with the lower chamber (6) of the bell-shaped casing.