| 摘要 |
A stock cart including a dolly frame configured to be nested with each other and including a connecting member and two end members, the connecting member connecting the two end members to form an H configuration, a plurality of free casters provided on the two end members, at least one stationary caster provided on a bottom surface of a substantially intermediate portion of the connecting member of the dolly frame, the at least one stationary caster being configured to form an imaginary plane in contact with ground with ones of the free casters on each one of the two end members pivotally, wherein one of the two end members is configured to extend respective ones of the free casters thereon downwardly such that the respective ones of the free casters form the imaginary plane with ones of the free casters on the other one of the two members.
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