Compact walk-around rebreathing device

Claim 1

A COMPACT, WALK-AROUND REBREATHING DEVICE COMPRISING, IN COMBINATION, A FACE MASK, SAID FACE MASK INCLUDING A REBREATHING TUBE ONE END OF WHICH COMMUNICATES WITH THE INSIDE OF SAID FACE MASK AND THE OTHER END OF WHICH IS OPEN, A CYLINDRICAL MEMBER HOUSING A CARBON DIOXIDE ABSORBING SUBSTANCE, ONE END OF SAID MEMBER BEING COUPLED TO THE OPENED END OF SAID REBREATHING TUBE, AND AN EXPANDABLE REBREATHING ACCUMULATOR COUPLED TO THE OTHER END OF SAID MEMBER, SAID FACE MASK, CYLINDRICAL MEMBER AND ACCUMULATOR FORMING WHEN SAID FACE MASK IS IN PLACE A CLOSED BREATHING SYSTEM IN WHICH AIR DISPELLED DURING THE EXHALATION PART OF THE BREATHING CYCLE OF THE INDIVIDUAL WEARING SAID FACE MASK PASSES VIA SAID REBREATHING TUBE, SAID CARBON DIOXIDE ABSORPTION SUBSTANCE INTO SAID REBREATHING ACCUMULATOR AND THEREAFTER RETRACES THIS PATH DURING THE INHALATION PART OF THE BREATHING CYCLE OF SIAD INDIVIDUAL, A HELICAL OXYGEN STORAGE DEVICE POSITIONED ABOUT SAID CYLINDRICAL MEMBER AND MEANS RESPONSIVE TO THE CREATION WITHIN SAID CLOSED BREATHING SYSTEM BY THE INHALATION EFFORTS OF SAID INDIVIDUAL OF A PRESSURE LEVEL LESS THAN THAT OF THE OUTSIDE ATMOSPHERE FOR RELEASING OXYGEN FROM SAID OXYGEN STORAGE DEVICE INTO SAID CLOSED BREATHING SYSTEM FOR REPLENISHING THE OXYGEN CONTENT OF SAID AIR.