Patent ID: 8596495

Claim:
A dose counter for counting the number of doses of fluid or powder that have been dispensed or that remain to be dispensed from a fluid dispenser device, said counter including a first rotary counter element forming a units wheel, and a second rotary counter element forming a tens wheel, said first and second counter elements co-operating with each other to define and to display, in a viewing window, said number of doses, said first counter element co-operating with an actuator member that is adapted to cause said first counter element to turn each time said actuator member is actuated, said counter including a base body that incorporates a pivot pin for said first and second counter elements, said body including fastener means and receiving said actuator member and said first and second counter elements, such that said first counter element retains said actuator member in said base body and said second counter element retains said first counter element in said base body, said fastener means retaining said second counter element in said base body, such that said counter is pre-assembled in said base body so as to form a pre-assembled counter unit separate from the fluid dispenser device before the counter unit is assembled to the fluid dispenser device; and wherein the fastener means is formed on the base body and forms a one-piece construction with the base body.