| 摘要 |
A top unit is provided defining a upper work surface and having front, rear and opposite side marginal portions. A downwardly opening cover also having front, rear and opposite side marginal portions is provided and the rear marginal portion of the cover is pivotally supported from the rear marginal portion of the top unit for swinging about an axis generally paralleling the rear marginal portions between a closed position closely telescopingly engaged over the top unit from above and a open position extending upwardly from the rear marginal portion of the top unit. Also, the cover is supported for shifting of the cover, after it has been swung to the open position, relative to the axis of rotation of the cover relative to the top unit, along a path extending between the front and rear marginal portions of the cover to a position with the axis closely adjacent the front marginal portion of the cover and the cover disposed at generally right angles relative to the top unit, having its front marginal portion disposed to the rear of the top unit rear marginal portion and the rear marginal portion of the top unit lowermost. Short and long front and rear leg assemblies are stored within downwardly opening center and opposite side compartments defined by the top unit and the latter includes a bottom panel hingedly supported from the lower rear marginal portion thereof for swinging between a depending open position and a closed position closing the compartments from below.
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