Lumber sorting method and apparatus
Abstract
Abstract A METHOD AND APPARATUS FOR SORTING LUMBER. THE METHOD INCLUDES CONVEYING A BOARD LATERALLY TO A SORTING STATION AND THEN RAPIDLY DROPPING THE SUPPORT FROM UNDER THE BOARD WHEREBY IT FALLS ESSENTIALLY IN THE POSITION IT HAD WHILE CONVEYED AND WITHOUT TURNING OVER ON ITS EDGE. THE APPARATUS INCLUDES A CONVEYER FOR MOVING BOARDS LATERALLY, ONE AT A TIME, WITH CONVEYING FORCE IMPARTED BY CONTACTING EDGES OF THE BOARDS. THE BOARDS ARE CONVEYED OVER A ORIZONTALLY DISPOSED DROP GATE IN A SORTING STATION, WHICH IS HINGEDLY MOUNTED AT ITS UPSTREAM MARGIN TO ACCOMMODATE SWINGING OF ITS DOWNSTREAM MARGIN DOWNWARDLY TO DROP A BOARD INTO A BIN. A MOTOR IS CONNECTED TO THE GATE FOR POWERING ITS SWINGING MOVEMENT. THE APPARATUS ALSO INCLUDES MEANS AT THE BOTTOM OF THE BIN FOR UNLOADING BOARDS FROM THE BIN, AND AN ACCUMULATOR BETWEEN THE GATE AND BOTTOM OF THE BIN FOR ACCUMULATING BOARDS DURING UNLOADING OF THE BOTTOM OF THE BIN. THE APPARATUS. FEATURES A MODULAR TYPE OF CONSTRUCTION PERMITTING THE NUMBER OF SORTS PRODUCED IN A SORTING LINE TO BE VARIED.
Inventors
- 👤 Otto G Jeddeloh
Bibliographic Details
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