Cargo cushioning systems

Claim 1

A CARGO CUSHIONING SYSTEM, COMPRISING, IN COMBINATION: (A) AN AIR MANIFOLD, HAVING (A) AN AIR INLET AND (B) AN AIR OUTLET; (B) A PLURALITY OF INFLATABLE DUNNAGE BAGS, (A) EACH CONNECTABLE FOR INFLATION TO SAID AIR MANIFOLD; (C) A CHECK VALVE, (A) AT SAID AIR MANIFOLD INLET, (B) SAID CHECK VALVE ALLOWING AIR TO ENTER SAID MANIFOLD THROUGH SAID AIR INLET BUT NOT ALLOWING AIR TO EXIT THERETHROUGH; (D) AN AIR BLOWER (A) HAVING AN AIR INTAKE AND AN AIR DISCHARGE OUTLET, (1) SAID AIR DISCHARGE OUTLET CONNECTING THROUGH SAID CHECK VALVE TO SAID AIR MANIFOLD, AND (2) SAID AIR INTAKE OPEN TO THE ATMOSPHERE; (E) AN ELECTRIC MOTOR (A) DRIVINGLY CONNECTED TO SAID AIR BLOWER; (F) A SOURCE OF ELECTRICAL ENERGY; (G) A LOW PRESSURE SENSITIVE SWITCH (A) HAVING A PRESSURE SENSING ELEMENT CONNECTED TO SAID AIR MANIFOLD (B) SAID SWITCH CONNECTING SAID ELECTRIC MOTOR TO SAID SOURCE OF ELECTRICAL ENERGY WHEN THE PRESSURE IN SAID MANIFOLD DROPS BELOW A FIRST PREDETERMINED PRESSURE; AND, (H) HIGH PRESSURE SENSITIVE RELIEF MEANS (A) AT SAID AIR OUTLET OF SAID AIR MANIFOLD, (B) SAID RELIEF MEANS OPENING TO ALLOW AIR TO ESCAPE FROM SAID MANIFOLD WHEN THE PRESSURE THEREIN IS GREATER THAN A SECOND PREDETERMINED PRESSURE.