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:
Jul. 18, 2006
Filed:
Jun. 27, 2005
Arto Huhmarkangas, Tampere, FI;
Markku Jaatinen, Julkujärvi, FI;
Sami Arola, Tampere, FI;
Arto Vento, Tampere, FI;
Jouko Hyytiäinen, Tampere, FI;
Arto Huhmarkangas, Tampere, FI;
Markku Jaatinen, Julkujärvi, FI;
Sami Arola, Tampere, FI;
Arto Vento, Tampere, FI;
Jouko Hyytiäinen, Tampere, FI;
John Deere Forestry Oy, Tampere, FI;
Abstract
An arrangement for the suspension of wheels of a working machine moving on a terrain, the arrangement comprising a pair of adjacent wheels arranged to support a frame part placed on a center line between the wheels; suspensions arranged between each wheel and the frame part to elevate and descend each wheel with respect to the frame part, wherein each suspension comprises a lower suspension arm and an upper suspension arm, which lower suspension arms are mounted by means of first joints to the frame part and by means of second joints to mounting arms, in which the wheels are mounted in a rotatable manner, and which upper suspension arms are fixed by means of third joints to the frame part and by means of fourth joints to the mounting arms, wherein, in each suspension, the first joint and/or the third joint is placed on said center line.