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An inhaler device of a powdered substance contained in a capsule comprises a capsule seat suitable for receiving the capsule, said capsule seat being made in two parts which can be reciprocally distanced, each capsule seat part being suitable for retaining a respective capsule part. Means of separat

An inhaler device of a powdered substance contained in a capsule comprises a capsule seat suitable for receiving the capsule, said capsule seat being made in two parts which can be reciprocally distanced, each capsule seat part being suitable for retaining a respective capsule part. Means of separation are operable to cause the distancing of said two capsule seat parts.

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1. An inhaler device of a powdered substance contained in a capsule of a type having an operculum formed of two parts, comprising: a capsule seat suitable for receiving the capsule, said capsule seat being made in two capsule seat parts which can be reciprocally distanced, each capsule seat part bei

1. An inhaler device of a powdered substance contained in a capsule of a type having an operculum formed of two parts, comprising: a capsule seat suitable for receiving the capsule, said capsule seat being made in two capsule seat parts which can be reciprocally distanced, each capsule seat part being suitable to retain the respective capsule part;a separation means, operable to cause distancing of said two capsule seat parts and comprising at least one wedge-shaped element;an inhaler body wherein the capsule seat is defined;a mouthpiece, coupling in a detachable manner to the inhaler body, having an upper portion defining an exit passage in fluidic communication with said capsule seat and a base coupling to the inhaler body;said inhaler device being characterized in that the inhaler body has an end wall and a pair of elastic arms, which extend vertically from said end wall and having respective divarication surfaces parallel and facing each other, each capsule seat part being attached atop of the respective elastic arm, said at least one wedge-shaped element being suitable for inserting between said divarication surfaces to cause divarication of the pair of elastic arms. 2. The inhaler device according to claim 1, wherein each of the two capsule seat parts is suitable for blocking the capsule by interference with walls of the operculum. 3. The inhaler device according to claim 2, wherein each of the two capsule seat parts is suitable to interfere with the walls of the operculum of the capsule without causing perforation or punching of said walls. 4. The inhaler device according to claim 1, comprising a capsule seat blocker movable from an active position, in which the two capsule seat parts are blocked in a capsule insertion position, to an inactive position, in which distancing of said two capsule seat parts is permitted. 5. The inhaler device according to claim 1, comprising a capsule extractor, said capsule extractor being operable to penetrate the two capsule seat parts so as to expel the two parts of the separated capsule after a user has finished inhaling. 6. The inhaler device according to claim 1, wherein the separation means are located in said base of the mouthpiece. 7. The inhaler device according to claim 6, wherein the capsule seat is in the form of a tray orientated horizontally when the inhaler body is placed on a horizontal surface. 8. The inhaler device according to claim 1, wherein the separation means are operable to divaricate said elastic arms, so that when the divarication has been performed, the two capsule seat parts are inclined with ends facing each other upwards. 9. The inhaler device according to claim 4, wherein said capsule seat blocker comprises a blocking tooth which extends into the inhaler body under the capsule seat and which ends atop with support surfaces, each support surface suitable for engaging the respective capsule seat part, said blocking tooth being movable between a lowered position, in which said support surfaces do not interfere with the distancing movement of the two capsule seat parts, and a raised position, wherein said support surfaces press said capsule seat parts against each other. 10. The inhaler device according to claim 9, wherein each of said support surfaces is formed of an inclined plane with decreasing incline towards the capsule seat. 11. The inhaler device according to claim 9, wherein the inhaler body has a hollow lower portion which extends under said end wall and which terminates with a lower rim defining a support base of the support surfaces, and wherein the blocking tooth has a lower actuation portion which extends in said hollow lower portion passing through an aperture made in the end wall, said lower actuation portion projecting downwards from said lower rim when the blocking tooth is in the lowered position and being aligned with said rim when the blocking tooth is in the raised position. 12. The inhaler device according to claim 11, wherein an upper portion of the blocking tooth extending above the end wall is provided with flexible retention tabs which when pressed permit passage of said upper portion of the blocking tooth through the aperture in the end wall, and which engage said end wall, when in the released position, so as to prevent detachment of the blocking tooth from the inhaler body. 13. The inhaler device according to claim 5, wherein a blocking tooth has an inner cavity in which said capsule extractor are housed, and wherein said capsule extractor comprise a lower pushbutton portion, housed with the possibility of axial translation in a lower actuation portion of the blocking tooth, a pair of extractor teeth which extend vertically from said lower pushbutton portion, upper ends of the extractor teeth project from an upper portion of the blocking tooth, and elastic means acting so as to normally keep said lower pushbutton portion in a lowered, inactive position, the pushbutton portion being accessible through an aperture of the lower actuation portion of the blocking tooth to push said pushbutton portion into an active, raised position, in which said upper ends of the extractor teeth penetrate the respective capsule seat parts through an aperture made in an end wall of each capsule seat part. 14. The inhaler device according to claim 13, wherein each extractor tooth ends with an inclined plane, with decreasing incline towards a centre of the capsule seat. 15. The inhaler device according to claim 1, wherein the inhaler body and the base of the mouthpiece are configured to axially couple to each other and are fitted with releasable, snap-blocking means, a blocking position between the inhaler body and base of the mouthpiece corresponding to a position of maximum distancing of the two capsule seat parts. 16. The inhaler device according to claim 15, wherein the capsule seat extends into a body chamber delimited by a body side wall which extends vertically from the end wall, and wherein the base of the mouthpiece is formed of a base side wall which inserts with a geometric coupling into said body chamber so as to surround the capsule seat, the separation means comprising at least one triangular shaped prominence which extends from an inner side of said base side wall. 17. The inhaler device according to claim 1, wherein at least one grid inserted or made in a mouth of the exit passage of the mouthpiece is configured to permit the powdered substance contained in the capsule to re-distribute-in the air flow after opening the capsule.