| 摘要 |
This invention relates to a vehicle power transmission and differential unit having two pairs of cone drives in right angular relationship. One pair is stationarily mounted on a vertical axis and the other pair is resiliently mounted and movable along vertical tracks so as to selectively move each of the horizontally disposed cones in driving contact with either of the stationarily mounted cones so as to cause the vehicle to selectively move forwardly, rearwardly, to the right, to the left or to neutral.
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