Patent ID: 6851721
Filing Date: 2005-02-08
Classification: F16L

Abstract:
1. A quick coupler for a fluid circuit, the coupler comprising a male portion with an outer collar, and a female portion, the female portion having a stepped counterbore with a maximum diameter section that can receive the outer collar of the male portion, said section being beyond a latch that is movable in a housing extending transversely to the counterbore, and including a connection indicator device that is snap-fastened onto the female portion by means housed in part in the housing and released while the male portion and its collar are being inserted into the counterbore, the indicator device comprising a ring-shaped portion surrounding the fluid circuit closed by the coupler, wherein the ring-shaped portion is provided with at least two tabs extending in a direction parallel to an axis of the female portion, with, at their ends, respective snap-fastening teeth projecting into the housing of the latch in a location thereof which is swept by said latch moved by said outer collar wherein said location is such that when said latch sweeps said housing, said latch engages and dislodges said snap-fastening teeth from said female portion.