Compressor

Claim 1

A PORTABLE, SELF-CONTAINED COMPRESSOR, FOR USE WITH MEDICAL APPARATUS EMPLOYING AIR UNDER PRESSURE, THE COMPRESSOR COMPRISING: A CASING HAVING A BASE, OUTER END WALLS, A FIXED REAR SIDE WALL, AN OUTER TOP WALL, AND A FRONT SIDE WALL HINGED TO THE BASE AND RELEASABLY CONNECTED TO THE TOP WALL; THE CASING INCLUDING AN INNER BOTTOM WALL, INNER END WALLS, AN INNER TOP WALL, AND INNER SIDE WALLS, DEFINING A COMPRESSION STORAGE CHAMBER; A PUMP, INCLUDING A PUMP HOUSING WITH A HOUSING BOTTOM WALL SECURED TO THE INNER BOTTOM WALL OF THE CASING ADJACENT ONE INNER END WALL THEREOF, HVING SIDE WALLS AND A HOUSING COVER, A RECIPROCALLY MOUNTED PISTON IN THE HOUSING, AN INTERMEDIATE PLAT DISPOSED BETWEEN THE PISTON AND THE COVER, FLAP VALVE MEANS ASSOCIATED WITH THE INTERMEDIATE PLATE TO ADMIT AIR THERETHOUGH IN ONE DIRECTION, A FLUID INLET CONDUIT EXTENDING FROM THE PUMP HOUSING TO AMBIENT ATMOSPHERE AND HAVING A REGULATED OPENING TO ADMIT AIR WITHIN THE HOUSING BELOW THE INTERMEDIATE PLATE; A FLUID CONDUIT EXTENDING BETWEEN THE PUMP HOUSING AND THE ONE INNER END WALL OF THE CASING, THE CONDUIT BEING LOCATED BETWEEN THE INTERMEDIATE PLATE AND THE HOUSING COVER, AND EFFECTING TRANSFER OF PUMPED AIR FROM THE PUMP HOUSING INTO THE COMPRESSION STORAGE CHAMBER; THE CASING HAVING A REGULATED OUTLET FITTING MOUNTED THEREON AND ADAPTED FOR CONNECTION TO THE MEDICAL APPARATUS, THE FITTING COMMUNICATING WITH THE COMPRESSION STORAGE CHAMBER; AN ELECTRICALLY DRIVEN MOTOR MOUNTED ON THE CASING INNER BOTTOM WALL AND OPERATIVELY MOVEMENT TO THE PUMP TO IMPART RECIPROCATING MOVEMENT TO THE PISTON; A BATTERY SUPPORT SECURED TO THE CASING INNER BOTTOM WALL, THE BATTERY SUPPORT HAVING A RECHARGEABLE BATTERY REMOVABLY DISPOSED THEREIN AND HAVING ELECTRICAL CONDUCTION MEANS EXTENDING TO THE MOTOR TO ENERGIZE THE SAME; A MULTI-POSITION SWITCH MOUNTED ON THE CASING OUTER TOP WALL HAVING AT LEAST AN ON POSITION, A BATTERY OPERATION POSITION, AND A BATTERY RECHARGE POSITION; ELECTRICAL PLUG RECEPTACLE MEANS ON THE CASING OUTER WALL; TRANSFORMER MEANS MOUNTED IN THE CASING TO CONVERT CURRENT FROM THE RECEPTACLE MEANS; AND A PAIR OF INDICATOR LIGHTS ON THE CASING, THE LIGHTS INDICATING THE SWITCH POSITION.