Patent ID: 6972105

Claim:
A rotary tablet press comprising a housing, a rotary system constituted by a turret and a drive shaft arranged in the housing for rotation of the turret, the turret comprising a die table, and a number of punches being guided in the turret, and at least a cam for cooperation with the punches in order to effect axial displacement of the punches by rotation of the turret, whereby the turret is connectable to the drive shaft by means of a coupling comprising a first coupling part and a second coupling part, said first and second coupling parts being interconnectable by means of clamping elements engageable between the coupling parts by means of at least one pneumatic actuator comprising an actuator piston displaceable in a cylinder arranged in the turret, whereby a pressure chamber delimited by the actuator piston in said cylinder is supplied with air through tubing releasably connected to an air supply.