Cabinet with pull-out shelf

A cabinet (1) is disclosed, comprising an opening (2), a pull-out shelf (7), a column (C), a collar (3) fixed to the column and provided with cam surface (30) and stop seat (31), a sleeve (4) rotatably mounted on said column and provided with brackets (40) that support a curved guide (5) in convex position with respect to the column (C), and a trolley (6) sliding on said guide (5) and supporting the shelf (7). The trolley (6) is provided with cam surface (62). A pin (8) is mounted on the brackets (40) of the sleeve and provided with two ends (81, 82) that act as cam followers to slide on the corresponding cam surfaces (30, 62) of collar and trolley.