Collection of lumber pieces from spaced stacks

Details Collection of lumber pieces from spaced stacks Collection of lumber pieces from spaced stacks

1997-08-26

1999-08-10

Keenan, James W.

Material or article handling

Self-loading or unloading vehicles

Successive handling means

1985101, 414505, B60P 104

Patent

active

059348615

ABSTRACT:
An apparatus for picking and conveying lumber pieces from the ground for example for removing stacked support lumber during laying of a pipe line comprises a tracked vehicle carrying a transport conveyer across the rear of the vehicle and a conveyer table extending from the feed end of the main conveyer 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 driven at a high speed so that ends of the lumber pieces engaging the drive conveyer are driven rapidly rearwardly over the picker roller onto the conveyer so as to move along their length. On the side opposite to the drive conveyers provided a vertical flap which can pivot from side to side to push the lumber pieces toward the drive conveyer. The forward end of the conveyer table can be moved vertically and horizontally so as to engage the stack at the required position.

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patent: 4930615 (1990-06-01), Nash
patent: 5596784 (1997-01-01), Tolmachoff
patent: 5745947 (1998-05-01), Liu et al.

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