Pneumatically operated loading chute

Claim 1

A CHUTE FOR LOADING EXPLOSIVE PELLETS INTO A CARRIER OR DISPENSER, COMPRISING MEANS DEFINING AN OPEN ENDED TROUGH HAVING AT LEAST TWO SIDE WALLS IN FIXED SPACE RELATIONSHIP WITH EACH OTHER, A FLAT ROD MOUNTED ON ONE OF SAID SIDE WALLS COEXTENSIVE THEREWITH AND MOVABLE WITH RESPECT TO THE OTHER OF SAID SIDE WALLS TO VARY THE SPACE THEREBETWEEN, ACTUATING MEANS CONNECTED WITH SAID ROD COMPRISING, A LATERALLY MOVABLE SHAFT MOUNTED ON ONE OF SAID SIDE WALLS AND FIXEDLY CONNECTED TO SAID ROD, A LENGTH OF FLEXIBLE TUBING IN SUBSTANTIAL ABUTTING RELATIONSHIP WITH SAID MOVABLE SHAFT, SAID FLEXIBLE TUBING BEING CONNECTED TO A SOURCE OF PRESSURIZED FLUID WHEREBY SAID TUBING EXPANDS WHEN THE FLUID IS ADMITTED THERETO CAUSING SAID ROD TO MOVE IN A DIRECTION TO INCREASE THE DISTANCE BETWEEN SAID ROD AND SAID OTHER OF SAID SIDE WALLS, AND MEANS MOUNTED ON SAID MOVABLE SHAFT URGING A FORCE ON SAID SHAFT IN A DIRECTION OPPOSITE TO THAT EXERTED BY THE PRESSURIZED TUBING WHEREBY RELEASE OF THE PRESSURE IN SAID TUBING EFFECTS RESTRICTION OF THE LATERAL DISTANCE BETWEEN SAID ROD AND SAID OTHER OF SAID SIDE WALLS.