Patent ID: 9027558
Filing Date: 2015-05-12
Classification: A44B,A61M,Y10T

Abstract:
1. A respiratory mask assembly for delivering breathable gas to a patient, comprising: a frame having a main frame body and a side frame member provided on each lateral side of the main frame body, at least one of the side frame members including an integrally formed locking clip receiver assembly, said integrally formed locking clip receiver assembly comprising: a slot having a central portion and two locking portions positioned on opposite sides of the central portion, the two locking portions are constructed and arranged to have a first height between an upper surface and a lower surface, and the central portion is constructed and arranged to have a second height, said second height being greater than the first height; and at least one locking clip including: a main clip body providing a front portion and a rear portion, the front portion having a front end portion adapted to be inserted into a front opening of the slot of said integrally formed locking clip receiver assembly and the rear portion adapted to be removably coupled to a headgear assembly, said front end portion having a height that is greater than said first height; and a pair of resiliently flexible spring arms, each spring arm including a finger grip portion adapted to be manually manipulated by the patient to release the locking clip from the frame, the finger grip portion being positioned rearward of the front opening of the slot when the front end portion is inserted into the slot, the front portion including a central support tab positioned between the pair of spring arms, the central support tab adapted to be inserted into the slot of the frame to guide the locking clip into engagement with the frame, the central support tab providing the front end portion adapted to be inserted into the front opening of the slot of the frame and a rear end portion to which each said spring arm is connected, wherein each spring arm is spaced from the main clip body by a flexing space having an open end that extends from a lateral side of the clip, and the open end being positioned rearward of the front opening of the slot when the front end portion is inserted into the slot, and wherein each spring arm includes a locking tab provided to a free end of the spring arm, the locking tab being laterally spaced and laterally adjacent the front end portion of the central support tab.