| CPC B65G 15/28 (2013.01) [B27B 31/06 (2013.01); B65G 47/82 (2013.01); B65G 47/845 (2013.01); B65G 47/844 (2013.01); B65G 2201/0217 (2013.01); B65G 2201/022 (2013.01); B65G 2201/0282 (2013.01)] | 20 Claims |

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1. A plank positioning mechanism adapted to thrust a plank traveling in a conveyor traveling direction on a conveyor in a thrust direction perpendicular to the conveyor traveling direction, the plank positioning mechanism, comprising:
conveying means traveling parallel to the conveyor traveling direction, the conveying means traveling independently to the conveyor; and
a plurality of paddle assemblies mounted to the conveying means, each one of the paddles assemblies comprising
a movable part adapted to be movable in the thrust direction; and
a motor adapted to drive the movable part in a first direction and a second direction, the thrust direction being along one of the first and the second direction,
wherein the movable part is adapted to thrust the plank in the thrust direction while the plank being conveyed by the conveyor.
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