Tree felling tool for use in forest management field, has frame provided with M-shaped beam, shear provided with cutting arms, and grapples fixed on frame for supporting trees, where frame, arms and/or grapples are made from steel
The tool (1) has grapples (3) fixed on a frame (2) for supporting the trees, and a shear (4) for cutting the trees, where the frame is provided with an M-shaped beam. The beam traverses a bore formed in an upper plate and is stamped in an M-shaped groove formed in a lower plate such that the shape of the beam is maintained. The shear includes cutting arms (14) that are provided with reinforcements welded between a lower sheet and an upper sheet. The frame, the plates, the arms and/or the grapples are made from S355 type steel of elastic limit greater than 300 MPa.L'invention a trait à un Outil d'abattage (1) d'arbres, comportant un châssis (2), et fixés sur ledit châssis (2), un moyen de maintien (3) dudit arbre, et un moyen de coupe (4) dudit arbre. Le châssis (2) de cet outil comporte une poutre (8) en profilé de forme en M majuscule, de sorte à conférer audit châssis (2) une grande résistance avec un poids modéré