Device for dispensing fluid product, comprising a body (10), at least one cap element (11, 12) mounted to pivot on said body (10) between a closed position and an open position, said device comprising at least one individual reservoir containing a single dose of fluid product, such as powder, opening means (80) being provided for opening an individual reservoir each time the device is actuated, said device comprising mobile support means (50) designed to move an individual reservoir against said opening means (80) upon each actuation, said mobile support means (50) being movable between a non‑dispensing position and a dispensing position, said mobile support means (50) being urged toward their dispensing position by elastic means (70) such as a spring or an elastic leaf, and being kept in the non‑dispensing position by immobilizing means which are released by the inhalation of the user, said device comprising a arming member (800) collaborating with said elastic means (70) and with a cam surface (51) formed on said mobile support means (50), said arming member (800) and said elastic means (70) being assembled into a housing provided in a housing component (700) connected to a cap element (12).Dispositif de distribution de produit fluide, comportant un corps (10), au moins un élément de capot (11, 12) monté pivotant sur ledit corps (10) entre une position fermée et une position ouverte, ledit dispositif comportant au moins un réservoir individuel contenant une dose unique de produit fluide, tel que de la poudre, des moyens douverture (80) étant prévus pour ouvrir un réservoir individuel à chaque actionnement du dispositif, ledit dispositif comportant des moyens de support mobiles (50) adaptés à déplacer un réservoir individuel contre lesdits moyens douverture (80) à chaque actionnement, lesdits moyens de support mobiles (50) étant déplaçables entre une position de non-distribution et une position de distribution, lesdits moyens de support mobiles (50) étant sollicité
