Dispenser assembly for a fluid product comprising a device having a twin lever arm in order to actuate a dispensing means

A dispenser assembly for a fluid product housed in a container having a longitudinal axis and of the type having a dispensing means including a movable member disposed along the longitudinal axis of the container and a push button having a dispensing orifice and mounted on the movable member so as to be movable between an actuated and a deactuated position to, respectively, dispense the product through the dispensing orifice and to cease dispensing of the product, said dispenser assembly comprising a stationary part for mounting on the container and a part movably mounted on said stationary part to move the push button from the deactuated to the actuated position, said stationary part including an opening for slidably receiving the push button, guide means on said stationary part for guiding the movement of said movably mounted part, said guide means having four channels disposed symmetrically relative to the longitudinal axis of the container when the stationary part is mounted on the container, said movably mounted part comprising a lever arm having a longitudinal axis and opposite ends, said lever arm having four catch elements each slidably received in one of said channels, said lever arm further including a projection member for engaging the push button.