Patent ID: 8272382

Claim:
A headgear connection assembly for a mask assembly, comprising: a pair of clip receptacles provided to respective sides of a mask frame; and a pair of locking clips adapted to be removably interlocked with respective clip receptacles, the locking clips adapted to be removably connected to headgear straps in use, wherein each clip receptacle includes an upper wall, the upper wall having a recess extending into the upper wall and a lip adjacent to the recess that extends along an edge of the upper wall providing an entry point to the clip receptacle, the lip extending outwardly from the upper wall and away from the entry point to the clip receptacle, and wherein the mask frame includes a relatively smooth external lead-in adjacent the entry point to each clip receptacle, the lead-in including contoured guiding surfaces provided on each side of the clip receptacle that curve from outside respective sides of the clip receptacle towards a center of the clip receptacle.