Patent ID: 7497357

Claim:
A fastener member ( 1 ) for fastening a dispenser member ( 4 ) on a fluid reservoir, said fastener member ( 1 ) comprising a fastener ring ( 2 ) and a covering hoop ( 3 ), the fastener ring ( 2 ) including reception means ( 24 ) for receiving the dispenser member ( 4 ), and fastener means ( 211 ) for fastening on the reservoir, the covering hoop ( 3 ) being mounted by axial engagement around the ring ( 2 ) in such a manner as to mask it at least in part, the hoop ( 3 ) including hook means ( 35 ) co-operating with retention means ( 225 ) formed by the ring ( 2 ), said hook means ( 35 ) include means ( 351 , 352 ) for preventing the hoop ( 3 ) from rotating around the ring ( 2 ) and means ( 352 ) for preventing the hoop ( 3 ) from moving in axial translation, and thereby becoming axially disengaged from the ring ( 2 ), the retention means formed by the ring ( 2 ) including at least one retention housing ( 225 ) that is accessible by axial engagement, said means for preventing both turning and movement in translation co-operating with the retention housing ( 225 ), the means for preventing movement in translation including at least one barb profile ( 352 ) adapted to bite into the housing, wherein the retention housing ( 225 ) is defined by two opposite, vertical, longitudinal walls ( 224 ), the hook means ( 35 ) being engaged with said walls ( 224 ).