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US 8,037,666 B2Granted
Mower with an lightening device including torsion bars
AssigneeKuhn S.A.
InventorsMartin Walch, Bernard Wattron
Life of this patent
Estimating the term…
Abstract
A mower comprising a chassis carrying at least one harvesting mechanism and a lightening device of the at least one harvesting mechanism. The lightening device includes at least one torsion bar which is connected to a transverse beam of the chassis and which carries a lever on one of the ends of which a rod is articulated which is directed towards the harvesting mechanism and which is itself articulated on the harvesting mechanism or its suspension device.
Claims9
A mower comprising:
- a chassis including a transverse beam and lateral uprights provided with wheels,
- a connecting unit configured to connect said chassis to a motor vehicle,
- at least one harvesting mechanism provided with cutting elements,
- a suspension device connecting said harvesting mechanism to the chassis, allowing a heightwise displacement of said harvesting mechanism with respect to the chassis,
- a lightening device of said harvesting mechanism,
- wherein the lightening device includes torsion bars which are connected to the transverse beam of the chassis and which torsion bars each include a tube in the interior of which tube there is arranged a stem that includes
- a first end which is linked to said tube via a sleeve and
- a second end which passes beyond said tube and which carries a lever on one of the ends of which lever there is articulated a rod which is directed towards the harvesting mechanism and which is itself articulated on said harvesting mechanism or its suspension device, and the stem is rotationally fixed to the tube.
5 more elements
Dependencies are inferred from the claim text.