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.
Patent No.:
Date of Patent:
Sep. 23, 2003
Filed:
Aug. 03, 2001
Marko Paakkunainen, Tampere, FI;
Mauri Marttila, Valkkinen, FI;
Plustech Oy, Tampere, FI;
Abstract
The invention relates to a delimbing apparatus for processing elongated pieces, particular tree trunks (S), which apparatus ( ) comprises a frame structure ( ) to be suspended at the end of a boom assembly in a working machine, at least one means, articulated in relation to said frame structure, for processing the trunk (S), and actuators ( ) for controlling the position and force effect (F) of said means. In the invention, said actuators comprise at least one joint ( ) driven by a pressurized medium and comprising a joint frame ( ), a joint arm ( ) swivelled in said joint frame, and a blade structure ( ) fitted in said joint, by means of which blade structure the pressure effect of the pressurized medium produces said swivelling.