Apparatus for aligning lumber, especially blocks from which...

Details Apparatus for aligning lumber, especially blocks from which... Apparatus for aligning lumber, especially blocks from which...

B - Operations, Transporting

27

B

143/63

B27B 29/00 (2006.01)

Patent

CA 1172549

ABSTRACT OF THE DISCLOSURE An apparatus for aligning lumber, especially blocks from which the first pair of cants is removed (hereinafter referred to as blocks), comprising a conveyor for transferring the blocks in longitudinal direction, a measuring station and a microprocessor or equivalent. Before feeding the blocks into a saw mill, they have to be aligned correctly in order to ascertain a maximum amount of wood products. In con- ventional apparatuses for aligning blocks, the align- ment is performed on the unsawed surfaces of the block. In practice this leads to errors. In the present invention the said errors can be eliminated by arran- ging the aligning members to comprise one or several short conveyors located in connection to the conveyor. The short conveyor can be shifted transversally both below and above the level of the conveyor, and it can be given a horizontal adjusting movement impulse according to the adjusting values received from the calculating unit.

390613

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