Articulation device of a carriage carries - rollers for the passage of the displacement on wheels with pneumatic tires to the progression on the pads of tracks, in order to adapt the harvesters - harvesters to the treatment of any kind of cereals, on any type of terrain

摘要

1,141,948. Endless track vehicles. CONSORZIO AGRARIO PROVINCIALE DI FERRARA, SOC. COOPERATIVA a.r.l. 31 Jan., 1967 [31 Jan., 1966], No. 4776/67. Heading B7H. A combine harvester having in place of at least two wheels thereof at least two endless track devices each comprising a roller bogie 7 pivotable on a base frame of the harvester, an endless track 8 and a toothed wheel 3 secured to or securable to the harvester in place of the ground wheel and in joining engagement with the track 8, the outer radius of the toothed wheel 3 being greater than the distance between the pivot axes of the roller bogie of the toothed wheel 3. The roller bogie includes a bogie frame 5 having bifurcated ends for track tensioning rollers 11 and secured thereto a hollow stub shaft 6 which is pivotally mounted on the harvester.