Patent · US Active

Automatic levelling of a feller head

US10136591B2 · kind B2 · utility

0Cited by

4References

14Claims

0Family size

Assignee

Komatsu Forest AB · SE

Inventors

Daniel LINDER · Lehrberg, DE
Erik Nilsson · Stockholm, SE

Key dates

Filing date	Dec 20, 2013
Grant date	Nov 27, 2018
Priority date	—
Expiry date	Mar 16, 2034

Classification

Technology area (CPC A)Human Necessities
CPC primaryA01G23/091
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

The present invention concerns a method for the lateral levelling equipment of a timber working head at a forestry machine with a hydraulic system for the driving and regulation of the functions of the forestry machine, which forestry machine comprises a chassis with a driver's cabin and an arm to which a timber working head is fixed jointed and in a manner that allows rotation, the working head comprising levelling equipment and a regulator for the control and regulation of the lateral angle of the working head relative to the vertical direction, an arrangement for the execution of the method, and a forestry machine for the use of the arrangement during the execution of the method.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.