Method and an apparatus for cross-cutting trees
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United States of America Patent
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-
Feb 17, 1981
Grant Date -
N/A
app pub date -
Nov 30, 1978
filing date -
Dec 5, 1977
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method for cross-cutting trees, where a trunk to be cross-cut is advanced relative to a lopping means for cutting off branches on the trunk. A signal representing the lopping force required is generated and is combined with a signal representing advanced length of the trunk, so that a knot signal representing the presence of knots on the stem is obtained. Said knot signal is used for automatic control of the cutting of the trunk as a function of the presence of knots on the trunk. There is also provided an equipment for performing the method.
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