Case in two portions assembled by a latching device, notably a refillable sprayer

Claim 1

A case in two portions assembled by a latching device, comprising a refillable sprayer comprising two portions assembled by a shape fit of inner and outer non cylindrical skirts, the inner skirt having in at least two opposite portions angularly spaced from the portions of the inner skirt having the greatest spacing, studs protruding inwardly, the outer skirt comprising a latch rotatably mounted about its geometrical center, said latch having two opposite wings adapted, when rotated with the assistance of a control knob protruding above the upper surface of said part forming the outer skirt, to engage underneath said studs, the outer skirt carrying the latch forming a cover of the case, the control knob being hollow and formed with an axial passage for an atomizing member of a refill, the fixation of the latch on the outer skirt comprising a snap-in engagement of beads carried by resilient lugs in the shape of cylindrical sectors protruding underneath the edge of the control knob in an oblong orifice of the outer skirt, said oblong orifice comprising circular sectors matching the periphery of the lugs and notches for the passage of the two opposite wings of the latch when said latch is in a non-latching position.