Inhaler device

Hand-held device (1) for metered dispensing of sprayable substances that are medicaments for inhalation, having a cartridge (3) that during an opening stroke is movable into a dispensing position in a housing (2) by pressing and a step-by-step indexing mechanism (11) that is also moved by the cartridge (3) during the opening stroke of said cartridge (3), for registering and displaying the number of dispensing actuations carried out, said step-by-step indexing mechanism (11) having a graduated collar (26) arranged circumferentially, concentrically with respect to a valve tube (5), in front of an inspection window (36, 47, 48) and a disc (15) with teeth on its underside into which two step-by-step indexing pawls (28) engage as a housing (34) of the step-by-step indexing mechanism is axially moved, which is forced into a rotary movement by guide pins (33) movable in diagonal slots (19), characterised in that the diagonal path of the slots (19) extends over only part of the stroke height of the step-by-step indexing mechanism housing (34) and the guide pins (33) move over the remaining travel of the step-by-step indexing mechanism (11) parallel to the longitudinal axis (x-x) of the step-by-step indexing mechanism, wherein

• the disc (15) further comprises a tubal bearing (50) that extends axially toward the housing (34) and above a sunwheel (14) which rests on disk (15).