A patient interface device includes a frame member having a front surface and a rear surface, the frame member including a faceplate portion, the frame member having an orifice extending therethrough, and a cushion assembly including a support frame and a sealing cushion coupled to a coupling portion of the support frame. The support frame includes a lever arm extending from the coupling portion, wherein the lever arm is received through the orifice and engages an engagement surface forming a part of the front surface of the frame member, and wherein a top surface of the coupling portion engages a rear portion of the faceplate portion forming a part of the rear surface of the frame member.
