| 摘要 |
A wheelbarrow comprising a support frame (12); a first wheel (16) attached to a forward portion of the support frame (12), the first wheel (16) in free rotation in a first vertical plane; an undercarriage (24) pivotally attached to the support frame (12), the undercarriage (24) comprising a second wheel (26) in free rotation in the first vertical plane, the undercarriage (24) being capable of pivotal movement; wherein the undercarriage (24) is guided in pivotal movement by one or more undercarriage guide rails (22).
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