Patent ID: 7513255

Claim:
A patient interface device comprising: a shell having a wall with a port extending therethrough; a conduit coupling in fluid communication with the port; and a mounting member, including a strap connection portion, wherein the mounting member is rotatably coupled to the shell such that the mounting member is rotatable over a 360 degree range while the patient interface device is donned on a user and without locking in a fixed position relative to the shell while the patient interface device is donned on a user, wherein the port defines a rotation axis for the mounting member such that the mounting member rotates around the port, wherein the strap connection portion comprises a slot defined in the mounting member and adapted to be coupled to a strap of a headgear assembly, wherein the slot includes at least one ridge extending from an edge of the slot such that the slot is separated into a plurality of discrete recesses, and wherein each of the plurality of recesses is sized and configured to retain a strap of a headgear assembly.