The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 20, 2001

Filed:

Mar. 09, 2001
Applicant:
Inventor:

Petri Niemi, Tampere, FI;

Assignee:

Timberjack Oy, Tampere, FI;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A01G 2/308 ; B27B 1/00 ;
U.S. Cl.
CPC ...
A01G 2/308 ; B27B 1/00 ;
Abstract

The invention relates to a method in a delimbing device (,), which delimbing device (,) comprises a frame structure (,), at least one supporting means (,) attached in the frame structure (,) in a movable (,) manner to support the tree-truck (S) and to exert a first force effect (F,) on the tree-trunk (S), actuator means (,) to control the position of the supporting means (,) to maintain the first force effect (F,) exerted by the supporting means (,) on the tree-trunk (S). In the method the second force effect (F) exerted by the tree-trunk (S) to the frame structure (,) is measured with sensor means (,) arranged in connection with the frame structure (,) and to change the second force effect (F), the first force effect (F,) is adjusted by utilizing the information obtained from the measurement.


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