Patent ID: 7748380
Filing Date: 2010-07-06
Classification: A62B

Abstract:
1. A combined air-supplying/air-purifying breathing system, comprising: a back frame having a first attachment member for connection to a powered air-purifying respirator (PAPR); a self-contained breathing apparatus (SCBA) carried by the back frame; the powered air-purifying respirator including a second attachment member for connection to the back frame; and a facepiece, connected in fluid communication with both the self-contained breathing apparatus and the powered air-purifying respirator; wherein the powered air-purifying respirator is adapted to be mounted on, and carried by, the back frame, by coupling the back frame and the powered air-purifying respirator together at the first and second attachment members, respectively, and wherein the powered air-purifying respirator is adapted to be separated from the back frame without dislodging a pressure vessel of the self-contained breathing apparatus from the back frame.