Device for dispensing a fluid product

A device for dispensing a fluid product comprising a reservoir containing two doses of fluid product, a dispensing member, such as a piston, slidingly mounted in said reservoir to dispense a fluid product, a main body, a central body secured to said main body, a support member that accommodates said reservoir, a dispensing head provided with a dispensing orifice and an actuating member that is axially displaceable within said main body and engages with said support member to perform successive actuations of the device by displacing said support member with respect to said central body to thus displace said actuating member in said reservoir and thus dispense the fluid product through said dispensing orifice, a return spring being provided to return said actuating member into its starting position after each actuation, said device comprising energy accumulation means comprising first and second pushing elements formed on said central body and first and second resistance elements formed on said support member, said first pushing element being suitable for engaging with said first resistance element to accumulate energy during the dispensing of the first dose, and said second pushing element being suitable for engaging with said second resistance element to accumulate energy during the dispensing of the second dose, each pushing element comprising a radially deformable tab, provided at its lower axial end with a central pushing zone, the axially lower surface of which comes into contact with a respective resistance element during actuations, characterised in that:

• said support member comprises two diametrically opposite longitudinal profiles, each longitudinal profile comprising, starting with the upper axial edge:
• a first deformation profile, a first window, a second deformation profile, and a second window,
• the first window of a longitudinal profile comprises said first resistance element, and the second window of the other longitudinal profile comprises said second resistance element,
• each deformation profile comprises:
• a central ramp extending axially and radially inclined outwards towards the bottom, disposed between first and second side ridges axially straight and with a constant radial dimension,
• each central pushing zone is disposed between a first and a second inclined zone,
• such that when said support member is axially displaced with respect to said central body during assembly, each pushing element engages with a respective first deformation profile, such that each central pushing zone does not come into contact with said support member.