Patent ID: 7234909

Claim:
An apparatus for storage of wood chips in a curved-top stockpile on a stockpile yard the apparatus consisting of a central tower, having a vertical central axes, a lifting conveyor occupied in the tower having consequent portions comprising; a top portion, an upper portion, a middle portion and a lower portion, the consequent portions being connected to each other so that the top portion is stationary, the upper portion is rotatable around the central axes, the middle portion is stationary and the lower portion is rotatable around the central axes, in which apparatus the top portion supports a conveyor for loading the chips, the upper portion supports a horizontally rotated conveyor said lifting conveyor for composing the chips received from the load conveyor to the pile, the middle portion supports a delivery conveyor for the chips from the lifting conveyor receiving the chips from a horizontal unloading device having a certain reach and supported at one end on the lower portion of the tower as well as within said certain reach on a driven carriage for movement around the tower, and being furnished with an unload drive, wherein said horizontal unloading device is supported on said lower portion of the tower firmly rotating therewith, and the stockpile yard is furnished with a wall at the reach of the unloading device.