| 摘要 |
At a sawmill a device at the input side of the sawmill for adjusting automatically a log or a similar elongated object to be sawn relative to the center line or sawing line through the sawing unit so that a straight line through the centers of the end surfaces of the log becomes parallel to and coincident with the sawing line, if the log is straight, but parallel to and transversely offset from the sawing line, if the log is curved or bent, said transverse offset having a direction opposite to the direction of the curve or bow in the log and a magnitude which is a predetermined proportion of the height of the curve or bow in the log.
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