Title: Crop treatment devices

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Abstract: A crop drier has an enclosed drying chamber with an entrance at the front thereof and an exit adjacent the back thereof. A conveyor system includes a floor conveyor for receiving long stemmed crop and conveying it to a lifting conveyor which drops the crop on a lower transverse conveyor at the rear of the chamber. The lifting conveyor is configured as a right angled triangle that lifts and drops crop on an elevator conveyor at one side of the chamber. The latter conveyor then moves the crop to an upper transverse conveyor at the top of the chamber near the front thereof. The upper conveyor is structured to reciprocate within the chamber across its width while continuously receiving crop from the elevator conveyor. The upper conveyor has an endless chain with an upper and a lower run and while an endless belt is moving and dropping crop to the floor conveyor a reversing mechanism is cycled to reciprocate the upper conveyor, or a surface associated with the conveyor, and ensure that the crop is distributed uniformly across the entire width of the chamber. A safety cut off device is mounted adjacent the juncture of the elevator and lower transverse conveyors to stop the latter's movement and that of the floor conveyor is an excess of crop is loaded on the elevator conveyor. A blower and heating plant are connected by ducts to the chamber and once the crop has been dried satisfactorily, the crop can be directed by the upper conveyor to a branch duct via a funnel so that the blower can then move the dried crop to a collection area.


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