Classifying – separating – and assorting solids – Sorting special items – and certain methods and apparatus for... – Sorting lumber – logs – pipes – rails – or like items
Reexamination Certificate
2006-02-28
2006-02-28
Walsh, Donald P. (Department: 3653)
Classifying, separating, and assorting solids
Sorting special items, and certain methods and apparatus for...
Sorting lumber, logs, pipes, rails, or like items
C209S518000, C209S521000, C209S702000, C209S703000, C209S044400, C209S630000, C250S566000, C250S559080
Reexamination Certificate
active
07004329
ABSTRACT:
A classifying station for classifying a piece of wood in a wood processing plant, the classifying station including an area for an operator, a conveyor for transversely conveying pieces of wood before the area, and a console for entering classification related to a piece of wood to be classified, where the classifying station includes a dynamic classification zone located in front of the area having a predetermined length. The station also includes illumination elements adapted to selectively illuminate a piece of wood to be classified when the piece of wood is in the dynamic classification zone, the illumination elements being adapted to illuminate another piece of wood when the piece of wood has been classified; and control means for controlling the illumination means and operatively associated with the console in order to associate the illuminated piece of wood with information related to classification of the piece of wood entered by the user while the piece of wood is lit. The present invention enables a classifier to take more time to classify a more complex piece of wood, and less time for a less complex piece of wood.
REFERENCES:
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patent: 5412220 (1995-05-01), Moore
patent: 5544757 (1996-08-01), Geiger et al.
patent: 6072890 (2000-06-01), Savard et al.
patent: 6614041 (2003-09-01), Lappalainen et al.
patent: 6851559 (2005-02-01), Kairi
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