| 摘要 |
A load transporting apparatus is described including: a main body; at least one ground engaging wheel positioned at or towards one end of the main body and supported for rotation about a generally horizontal axis; at least one wheel assembly positioned at or towards an opposite end of the main body and including a wheel which is supported for rotation about a generally horizontal wheel axis, wherein said wheel assembly permits the wheel to swivel about a swivel axis which is substantially perpendicular to the wheel axis and off-set therefrom; wherein the wheel assembly is connected to the main body by connection means which permits movement of the main body towards and away from the wheel assembly, and there being biasing means for biasing the main body away from the wheel assembly, wherein the connection means is configured such that the swivel axis of the wheel assembly is maintained substantially vertical as the main body moves towards and away from the wheel assembly. |
