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:
Nov. 08, 2005
Filed:
Feb. 19, 2001
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;
Timberjack Oy, Tampere, FI;
Abstract
An arrangement of the suspension of wheels of a working machine moving on a terrain. The arrangement comprises a pair of wheels arranged next to each other to support a frame part placed on a center line between the wheels suspensions between each wheel and 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 using first joints and to mounting arms using second joints 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. The wheels are arranged to be turnable around a substantially vertical axis, and the wheel is arranged to be turned by means of a cylinder actuator coupled between the mounting arm the wheel. In an embodiment of the invention, the first joint and/or the third joint in each suspension is placed on the center line or farther than that.