Patent ID: 7520409

Claim:
A liquid product dispenser comprising a reservoir and a manually activated pump comprising a pump body mounted watertight in an opening of said reservoir and a tappet-button mounted in an extension of said pump body and mobile along the axial direction of the latter, characterized in that said tappet-button is hollow and mounted such as to slide in a watertight manner on the outside of a tubular neck of said pump body so as to delimit a dosage chamber extending at least partly inside said tappet-button and in that stopping means are disposed between an outer wall of said pump body and the inside of said tappet-button so as to define, under the stress from elastic means, a predetermined position, referred to as loose, of the tappet-button in relation to the pump body, and further characterized in that said tappet-button comprises two elements that fit axially into each other and in that the stopping means comprises segments connected to the end of a skirt of an inner element of the tappet-button and an annular shoulder or projection defined on the outer wall of said pump body, said segments being bent radially inwards when two elements of the tappet-button are fitted together, so as to create an overall annular stop that can cooperate with said annular shoulder or projection.