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A power transmission mechanism for a front and rear-wheel drive vehicle in which the power of an electric motor is transmitted to rear wheels includes an output shaft adapted to rotate together with the electric motor, a middle shaft which is parallel with the output shaft, a drive shaft which is pa

A power transmission mechanism for a front and rear-wheel drive vehicle in which the power of an electric motor is transmitted to rear wheels includes an output shaft adapted to rotate together with the electric motor, a middle shaft which is parallel with the output shaft, a drive shaft which is parallel with the output shaft and is adapted to rotate together with the rear wheels, a first pair of reduction gears for reducing the speed of rotation of the middle shaft relative to the output shaft, a second pair of reduction gears for reducing the speed of rotation of the drive shaft relative to the middle shaft and a rear differential disposed closer to an electric motor side than the second pair of reduction gears and coupled to the reduction gear and the drive shaft.

대표청구항 ▼

A power transmission mechanism for a front and rear-wheel drive vehicle in which the power of an electric motor is transmitted to rear wheels includes an output shaft adapted to rotate together with the electric motor, a middle shaft which is parallel with the output shaft, a drive shaft which is pa

A power transmission mechanism for a front and rear-wheel drive vehicle in which the power of an electric motor is transmitted to rear wheels includes an output shaft adapted to rotate together with the electric motor, a middle shaft which is parallel with the output shaft, a drive shaft which is parallel with the output shaft and is adapted to rotate together with the rear wheels, a first pair of reduction gears for reducing the speed of rotation of the middle shaft relative to the output shaft, a second pair of reduction gears for reducing the speed of rotation of the drive shaft relative to the middle shaft and a rear differential disposed closer to an electric motor side than the second pair of reduction gears and coupled to the reduction gear and the drive shaft. wherein the second drive means further includes a drive belt tensioning device. 16. A mobile surfacing machine according to claim 15, wherein the drive belt tensioning device includes a tensioning pulley around which the drive belt also passes. 17. A mobile surfacing machine according to any one of the preceding claims, wherein the first drive means includes a second motor which drives the planetary head via a series of geared pullies and shafts.