#$%^&*AU2011201465B220120705.pdf#####ABSTRACT An inhaler (1) for powdered, particularly medical substances has a suction air channel (12) leading to a mouthpiece (3) and 5 a storage chamber (11) for the substance (10). A linearly movable dosing chamber (26) apportions a specific amount (10') of substance from the storage chamber (11) and brings the amount (10') of substance into a transfer position, for transfer to the suction air stream (S) . The dosing chamber (26) is 10 rotationally moveable in a superposed manner and is disposed eccentrically in relation to a corresponding axis of rotation (x). 900003