Patent ID: 8037666
Filing Date: 2011-10-18
Classification: A01B,A01D

Abstract:
1. 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.