Machine for threshing tobacco and separating the tobacco threshed

Claim 1

A MACHINE FOR THRESHING TOBACCO AND SEPARATING THE TABACCO THRESHED, COMPRISING A THRESHING CHAMBER, HAVING A TUBULAR WALL AND AN OPENING FOR THE SUPPLY OF TOBACCO LEAVES, A ROTATING THRESHING DRUM IN SAID THRESHING CHAMBER, A VERTICAL SHAFT TO WHICH SAID DRUM IS ATTACHED, BEARINGS FOR A VERTICAL JOURNALLING OF SAID SHAFT, A MOTOR HAVING SAID SHAFT, A SEPARATING CHAMBER COMMUNICATING WITH AN OUTLET OPENING IN THE WALL OF SAID THRESHING CHAMBER, A GRID FOR SAID OUTLET OPEINING, MEANS INCLUDING FANS FOR DIRECTING A VERTICAL AIR STREAM UPAWARDLY IN SAID SEPARATING CHAMBER CARRYING THE LIGHTER TOBACCO LEAF PORTIONS IN SAID SEPARATING CHAMBER AND AN OUTER SUBSTANTIALLY TUBULAR CASING ENCLOSING SAID WALL OF SAID THRESHING CHAMBER, SAID CASING HAVING AN EXHAUSTION OPENING FOR THE OUTLET OF AIR AND SEPARATED TOBACCO ABOVE SAID THRESHING CHAMBER, SAID SEPARATING CHAMBER INCLUDING AN ANNULAR SPACING BETWEEN SAID OUTLET GRID OPENING AND SAID CASING AND EXTENDING AROUND AT LEAST THE MAJOR PART OF THE PERIPHERY OF SAID THRESHING CHAMBER.