Board trimmer with pre-trimmer near-end saws
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United States of America Patent
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Mar 4, 2003
Grant Date -
Jan 24, 2002
app pub date -
Jul 24, 2001
filing date -
Jul 24, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A board trimmer having pre-trimmer saws includes a selectively translatable upstream first pre-trimmer saw mounted on a near-side of a board flow path of a board transfer, upstream of a downstream multi-saw board trimmer. The pre-trimmer saw is selectively translatable by an actuator for translation linearly parallel to a near-side ended board on the board transfer. The pre-trimmer saw is perpendicular to the board when on the board transfer. A board elevator may be mounted below the board flow path and the pre-trimmer saw for elevating the board from a sequence of single boards from the board transfer into sawing engagement with the pre-trimmer saw once the pre-trimmer saw has been pre-positioned by the actuator into an optimized cutting path. Trimming of the board in the flow path is done according to an optimized solution for trimming the board. The board may be optimally trimmed by a combination of trimming a first waste portion from a near-end of the board by the first pre-trimmer saw and by trimming a second waste portion from either or both of the near-end and a far end of the board by the downstream multi-saw trimmer.
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