Patent ID: 7371142

Claim:
A buoyancy compensator device, comprising an expandable air chamber and at least two outlets, one arranged in an upper region and one arranged in a lower region, wherein: a manifold connects said expandable air chamber to said outlets by means of a control valve; said expandable air chamber is a vest and is provided with two shoulders that are connected by adjustable straps to a lower band that surrounds the hips of the diver; said expandable chamber can be filled with a mixture of breathable gas contained in a gas mix reserve of a self-contained breathing apparatus by a mechanical inflator that comprises an inlet that is connected to the reserve and is operated by a pushbutton inflation control; and said manifold is a tubular element that is provided with at least one upper one-way membrane, at least one lower one-way membrane, and at least one lateral one-way membrane, which is arranged in one of the ends of said lower band, one of which comprises said pushbutton inflation control and a control pushbutton that actuates said control valve.