| 摘要 |
The invention provides a trailer or sulky attachable to a wheeled vehicular implement steerable in response to movements of a trailer wheel laterally about its point of ground contact, the trailer having a draw bar connectable to the vehicle, a treadle supported by the draw bar and adapted to be foot actuated by the trailer operator, and means interconnecting the treadle and the trailer wheel to cause lateral oscillations of the wheel in response to actuations of the treadle.
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