Chassis structure for a forest machine

Details Chassis structure for a forest machine Chassis structure for a forest machine

2006-05-09

2006-05-09

Dunn, David R. (Department: 3616)

Motor vehicles

Special wheel base

Five or more wheels

C180S024010, C180S024070, C180S024080, C180S419000

Reexamination Certificate

active

07040428

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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International Search Report from Application PCT/FI01/00945 under date of Jan. 25, 2002.
International Preliminary Examination Report from Application PCT/FI01/00945, under date of Jan. 23, 2003.

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