| 摘要 |
Device for driving a non-driving wheel of a motor vehicle via a main roller (1) secured to the output shaft (7') of an auxiliary motor (7) and two secondary rollers (3, 4) free to rotate on their axle (3', 4'), characterised in that the drive of the wheel (8) is provided simultaneously by the main roller (1) in engagement with a first receiving surface (2) of the wheel (8) and with a secondary roller (3) or (4), and by the secondary roller (3) or (4) driven by the main roller (1), the driven secondary roller (3) or (4) being in engagement with the second receiving surface (6) of the wheel (8) concentric with the first receiving surface (2), and rotationally integral with it. <IMAGE>
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