Chassis structure for a forest machine
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 9, 2006
Grant Date -
Feb 12, 2004
app pub date -
Oct 30, 2001
filing date -
Oct 30, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention relates to a chassis structure for a working machine moving on a terrain, the chassis structure comprising a pair of front wheels and a pair of rear wheels supporting the frame, and a controlled frame joint between the frame parts, when the frame is composed of two frame parts. The chassis structure further comprises a suspension controlled by actuators and arranged to move each wheel in a level transverse in relation to the frame. Each wheel is mounted rotatably and to turn by the actuators to the suspension, and each wheel is usually provided with a hub motor for drive transmission. The chassis structure can further comprise a pair of middle wheels for a second frame part. In a method related to the chassis structure the forest machine can also be turned in place.
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