| 摘要 |
<p>A dolly member for supporting a wheel of a towed vehicle comprising a rectangular frame, a trough member supported by said frame for receiving a wheel of a towed vehicle, a pair of longitudinally aligned wheels pivotally mounted on one side of the frame, a beam transversely secured to said frame on the side opposite the wheels, a stirrup-shaped member rigidly secured sideways near the end of said beam, whereby when a pair of such dolly members are disposed opposite one another and the beams are adjacent one another, the stirrup-shaped member is adapted to hook onto the beam of the opposite dolly member.</p> |
