ATBECHDEDKESFRGBGRITLILUNLSEMCPTIESILTLVFIROMKCYALTR............................JDIM350 (Ver 2.1 Jan 2001) 1620000/01178222EUROPEAN PATENT APPLICATIONA320030102EP01116758.220010719EnEnEnBO00047320000731IT20030102200301200202062002067 7F 15B 13/06 A 7F 15B 11/17 BdeHydraulische Verteilerbaugruppe zur Steuerung der Betätigung eines GebüschschneidersenHydraulic distribution unit for controlling the actuation of a bush cutterfrUnité de distribution hydraulique pour la commande de l'actionnement d'un débroussailleur1Hydrocontrol S.p.A.0338693034989/GM/lpVia S. Giovanni, 48140060 Osteria GrandeITMusiani, MassimoVia Rosa Luxemburg, 1340061 Minerbio (Prov.of Bologna)ITBulgarelli, ClaudioCorso Canalgrande, 8841100 ModenaITModiano, Guido, Dr.-Ing.et al00040782Modiano & Associati SpA Via Meravigli, 1620123 MilanoITATBECHCYDEDKESFIFRGBGRIEITLILUMCNLPTSETRALLTLVMKROSI20030102200301

A hydraulic distribution unit (2) for controlling the actuation of a bush cutter, comprising a high flow-rate distribution unit associated with a rotary mower and a low flow-rate distribution unit associated with a positioning arm of the rotary mower; the distribution units have respective intake ducts (4,7) which are supplied by a high flow-rate pump and by a low flow-rate pump and respective discharges which lead into a common reservoir for collecting the oil; the distribution units are suitable to feed, by means of a pair of delivery manifolds (5,6), a motor for actuating the rotary mower and, by means of a series of pairs of delivery manifolds (8,9), a piston-type hydraulic servomechanism for mutually opposite movements of the positioning arm, the high flow-rate and low flow-rate distribution units being provided as a single body which has a first portion (2) dedicated to the actuation of the rotary mower and a second portion (3) dedicated to the actuation of the positioning arm.