| 摘要 |
The invention relates to a household food preparation apparatus comprising a work receptacle (2) that receives food to be ground in order to extract the juice thereof, said work receptacle (2) comprising a bottom including a grinding tool (5) rotated about an axis X, said grinding tool (5) comprising an upper abrasive surface engaging with the food, characterised in that said upper surface of the grinding tool (5) includes a projecting transverse obstacle (51; 51A; 51B; 51C; 51D) lying at least partially near the periphery of the grinding tool (5), said transverse obstacle (51; 51A; 51B; 51C; 1D) including a side surface (52; 52A; 52B; 52C; 52D) that does not have a shape for rotating about the axis X, colliding with the food during the rotation of the grinding tool (5) about the axis X. |
