Machine for random selection of numbered balls, uses drum with hexagonal internal profile and internal rotating disks to mix balls, which are extracted by scoop at inner periphery of drum

摘要

The machine has a drum (10) and a rotating cover (11) at the back. The interior (4) of the drum is hexagonal in shape. A rotating disk (3) inside the drum mixes the balls. Balls are selected by a scoop (15) mounted on a pivot (14b) inside the drum. The balls drawn can be seen through a transparent region in the rotating cover