Patent ID: 8006877

Claim:
A backpack assembly for a self contained breathing apparatus, the backpack assembly comprising: a back frame comprising a rearward surface and a forward surface, the rearward surface and the forward surface being connected by at least one peripheral surface, at least one handle being defined by an opening that is positioned along the peripheral surface; a waist pad connected to the back frame with a hip plate, the hip plate being connected to the forward surface of the back frame; a shoulder strap connected to the back frame, a front PASS device being supported by the shoulder strap, the front PASS device being connected by a conduit to an upper housing; the upper housing being mounted to the rearward surface of the back frame, the upper housing comprising a low air audible alarm, a low air visual alarm, a low battery visual alarm and a transducer for a heads-up display; a middle housing being mounted on the rearward surface of the back frame generally below the upper housing, the middle housing comprising a back PASS device, the back PASS device comprising at least one audible alarm device, at least one visual alarm device and at least one firefighter locating beacon; a tank band assembly being mounted on the rearward surface of the back frame, the tank band assembly being positioned generally below the middle housing, a tank being mounted within the tank band assembly; a lower housing being mounted on the rearward surface of the back frame, the tank being supported by the lower housing, the lower housing comprising a central power supply, the lower housing also comprising a first stage regulator; a CGA wheel being connected to an offset swivel assembly, the offset swivel assembly is connected to a hose and the hose being connected the first stage regulator.