Mechanical transmission for agricultural vehicles of adjustable track width

Abstract

A mechanical transmission for agricultural vehicles of adjustable track width has gear cases disposed vertically to elevate a chassis height of vehicle above a plantation, rear axles provided for wheels of the machine and mounted to the gear cases, first gears and second gears located in the gear cases and coupling the axles and also being interconnected with one another, a differential to which torque is transmitted from the axles through the second gears which are upper gears, a cross tube, the gear cases having substantially first horizontal extensions which are fitted on the cross tube so as to allow sliding outwards or inwards of the extensions in order to modify a machine track width, the differential having two second extensions, grooved shafts which are fixedly connected to the second gears, first tube bushings which are connected with the gear cases and in which the grooved shafts are fitted, second bushings having internal grooves and surrounding the grooved shafts, tubes which are fixed to the gear cases concentrically to the gears, the second extensions of the differential being fitted in a sliding and tight way within the tubes concentrically to the second gears, acting as a support to a differential assembly which is suspended by the gear cases.

Dependencies are inferred from the claim text.