Patent ID: 6505728
Filing Date: 2003-01-14
Classification: B65G

Abstract:
A lumber transfer system for transferring lumber pieces conveyed on a lower conveyor to an upper conveyor disposed above the lower conveyor, the lumber pieces being conveyed transversally with reference to their length, the lumber transfer system comprising:a controllable loading ramp having a receiving end and an exit end and being movable therebetween: i) a loading position to direct the lumber pieces from the lower conveyor toward the upper conveyor and where the receiving end is set to receive the lumber pieces from the lower conveyor and the exit end is set to transfer said lumber pieces to a loading end of the upper conveyor; and ii) a standby position where the ramp is set out of the way of the lumber pieces conveyed on the lower conveyor; a controllable pushing means for engaging and pushing a lumber piece conveyed on the lower conveyor onto and along the ramp when the ramp is in the loading position until the lumber piece reaches the loading end of the upper conveyor; and a controlling means for controlling and synchronising the pushing means and the movement of the loading ramp.