Method and an apparatus for cross-cutting trees

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...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MAGNUSSON, GUNNAR B, SEDERHOLM, JOHAN F, HELGESSON, ANDERS T
Format: Patent
Sprache:eng
Schlagworte:
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