US Patent 7347232 Lumber processing apparatus and method

A method and apparatus are provided for processing rough cut lumber to convert the rough cut lumber into trimmed to length and dimensionally trimmed to form a standard piece of dimensioned lumber. The process and apparatus includes the formation of a plurality of columns of lumber pieces in addition to a one column operation mode. The lumber pieces in each of the columns are graded, indexed, measured for a trim to length, trimmed to length and then sorted by grade and trimmed length.