Patent ID: 6443036
Filing Date: 2002-09-03
Classification: F16H,Y10T

Abstract:
A mechanical-hydrostatic transmission, particularly for tools and vehicles suitable for gardening, such as lawn-mower, comprisingcase means containing first shaft means, said first shaft means being connected externally, by means of a coupling, to motor means, an oil pump, a clutch unit, said oil pump and said clutch unit being arranged coaxially on said first shaft means, a hydraulic motor of the variable displacement type, said hydraulic motor being hydraulically connected to said oil pump, kinematic connections for transmitting motion to the driving wheels, said kinematic connections being mechanically connected to said hydraulic motor, said kinematic connections including bevel gear pair means, said bevel gear pair means being arranged for driving a first pair of wheels, second shaft means, said second shaft means connecting a second pair of wheels; third shaft means, a reduction unit, and a power take-off, said reduction unit being arranged for engagement with said clutch unit, said reduction unit being mechanically connected to said second shaft means, said power take-off extending from said third shaft means.