Bin with pneumatic agitator panel

Claim 1

In a bin for receiving pulverulent and similar slow moving materials, a pneumatic agitator panel for agitating material in the bin, mounted to and extending over a portion only of a bounding wall inside the bin and comprising a sheet backing capable of being deformed to a limited extent without breaking or cracking; a covering of flexible material extending over the backing at one side thereof facing the interior of the bin and attached to the backing at the edges thereof, said covering being loose and free to pulsate over a substantial part of the surface of said one side of the backing; and pulsator means outside the bin for providing pulses of pressurized gas and a tube for supplying such pulses of pressurized air in between the backing and the covering, connected to the backing and opening at said one side thereof, so as to impart an oscillating movement to the covering, said tube extending through said bounding wall to the outside of the bin; securing means on said tube, engaging said bounding wall; at least one clamp rail extending along at least part of an upper edge of the agitator panel; and means securing the rail to said bounding wall with said rail abutting the panel at said one surface thereof to edge the panel with said bounding wall.