Dose counting device for a distributor of doses of fluid products, especially for pharmaceutical use

摘要

The device comprises a distributor provided with an operating member (8) for a counting means of doses of fluid associated with a mouth (31) of a container (1), a ring nut (4) for fastening the distributor means (2) onto the nouth (31) and elastic means (16) suitable for transforming the translatory motion of said operating member (8) with respect to the ring nut (4) in a rotatory and axially reciprocating motion of a rotating and axially translatable element (9) to cause the appearance of a different numerical index provided on the rotating element (9) at an observation position (19) obtained in the operating member (8).