Patent ID: 8074845

Claim:
A fluid dispenser comprising both a fluid reservoir defining a reservoir with an opening ( 90 ), and a dispenser member mounted on the opening of the reservoir; the fluid dispenser member comprising: a body ( 1 ) inwardly defining a chamber ( 15 ) of variable volume, said body defining a bottom end ( 10 ); an actuator rod ( 7 ) that can be reciprocated axially in said body, thereby causing the volume in said chamber to vary, said rod comprising a bottom portion engaged in the body, and a top portion defining a top end ( 79 ); a peripheral bearing collar ( 52 ) extending radially outwards, said collar including a bottom face ( 51 ) designed to come into abutment, at least indirectly, against an edge ( 911 ) of the opening ( 90 ) of the fluid reservoir; and wherein the axial height HS 1 between the bottom face of the collar and the top end of the actuator rod is substantially equal to the axial height HU between the bottom face of the collar and the bottom end of the body; and wherein HS 1 and HI 1 are all about 7 mm to 9 mm; and wherein the reservoir ( 9 ) includes a substantially cylindrical projecting neck ( 91 ) defining the opening ( 90 ), said neck defining a free top end forming an annular edge ( 911 ) on which the collar ( 52 ), and a bottom end connected to the reservoir body, the bottom end ( 10 ) of the body being situated in the neck; and wherein the axial height HC of the neck is about 7 mm to 9 mm for an inside diameter of about 8 mm and an outside diameter of about 13 mm.