Arrangement for the suspension of wheels in a working machine
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United States of America Patent
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-
Nov 8, 2005
Grant Date -
Feb 27, 2003
app pub date -
Feb 19, 2001
filing date -
Mar 10, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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