摘要：
An apparatus for picking, conveying, stacking and bundling lumber pieces from the ground for example for removing stacked support lumber during laying of a pipe line comprises a tracked vehicle to which is attached a frame carrying a transport conveyer along the side of the vehicle forwardly and downwardly toward the ground. At the forward picking end is provided a picker roller for lifting the lumber pieces from the ground. On one side of the picker roller is provided a drive conveyer which is generally vertical and operable in forward and reverse direction to orient the pieces. On the side opposite to the drive conveyers provided a vertical blade with a rearwardly inclined inner portion which blade can pivot inwardly to push the lumber pieces toward the drive conveyer and to enclose and squeeze the pieces to a position inward of the side of the conveyer. Behind the vehicle is mounted a stacking section which arranges the pieces in a row and then stacks part of the row on top of another part to form the stack. The stack passes through a frame which clamps the pieces together to squeeze the stack and also to wrap the stack with a strapping carried into place by a chain.
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