Fluid dispensing device, comprising a body (10), at least one cover member (11, 12) pivotally mounted 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, such as powder, opening means (80) being provided for opening an individual reservoir at each actuation of the device, said device comprising movable support means (50) adapted to displace a individual reservoir against said opening means (80) at each actuation, said movable support means (50) being movable between a non-dispensing position and a dispensing position, said movable support means (50) being biased towards their dispensing position by elastic means (70), such as a spring or an elastic blade, and being retained in the non-dispensing position by locking means which are released by inhalation of the user, said device comprising an arming member (800) cooperating with said elastic means (70) and with a cam surface (51) formed on said movable support means (50) said arming member (800) and said resilient means (70) being assembled in a housing provided in a housing part (700) connected to a hood member (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 d'ouverture (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 d'ouverture (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 sollicités vers leur position
