Patent ID: 7207334

Claim:
A respiratory mask assembly for delivering breathable gas to a patient, comprising: a mask frame having a first cooperating interlocking structure; a cushion clip having a second cooperating interlocking structure and being selectively attachable to and detachable from the mask frame, the first and second cooperating interlocking structures interlocking with one another in a cooperating relationship to secure the cushion clip on the mask frame; and a mask cushion having an outer peripheral portion positioned between the mask frame and the cushion clip so as to retain the mask cushion on the mask frame, wherein the mask frame includes a plurality of recesses that provide the first cooperating interlocking structure and the cushion clip includes a plurality of tabs that is equal to a number of recesses in the mask frame and provides the second cooperating interlocking structure, the plurality of tabs engaging a respective recess to secure the cushion clip on the mask frame.