| 摘要 |
PURPOSE: To dispense with a center-of-gravity moving motor by engaging a power transmission body, driven by both reduction main wheels, with the reduction main wheels provided at the output shafts of front and rear differential gears, and connecting a mounted body, held movably in the longitudinal direction of a vehicle body, to the power transmission body. CONSTITUTION: Differential gears 8, 9 with one differential main wheel 13 side made the input side from travel motors 5, 6 and with the other differential main wheel 15 side made the output side to wheels 3, 4 are interposed in a power transmission system reaching the wheels 3, 4 from the respective travel motors 5, 6. A transmission member 27 driven by both reduction main wheels 18 is engaged with the reduction main wheels 18 provided at the output shafts 14 of the differential gears 8, 9, and a mounted body 7 held movably in the longitudinal direction of a vehicle body is connected to the transmission member 27. A center-of-gravity moving motor can thereby be dispensed with, and the reduction in the number of part items, the simplification of structure, weight and the like can be realized.
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