AUTOMATIC UNIT FOR PREPARING BEVERAGES SUCH AS BREWS COMPRISING A DEVICE FOR EJECTING SPENT COFFEE CAKES

摘要

The invention concerns an automatic unit for preparing brews comprising a body (1) containing a brewing chamber (30) with vertical axis (V) having an outlet (3) and including an ejecting tray (31) mounted movable in said chamber and capable of receiving a brewing plunger (27) mounted mobile along the vertical axis (V) and a device for expelling spent coffee cakes when said ejecting tray is brought in its high position. The invention is characterised in that the expelling device comprises a discharging drawer (32) forming a scraper mounted sliding, at the outlet (3) along a plane transverse to the axis (V), in the slide guides (33) provided on the outlet (3) edge and actuated by a movement transforming mechanism (38) arranged between the brewing plunger (27) and the drawer (32). The invention is applicable in particular to espresso coffee brewing machines.