| 摘要 |
A shelf construction having a vertically extending column having at least one article supporting surface rotatably and adjustably supported on the column. The portion of the article supporting surface which is facing the column is joined to a sleeve placed around the former and having an upper bearing and a lower bearing. The article supporting surface is supported by the periphery of at least two wheels carried by the column. The column is provided with a number of diametrically opposed holes. A shaft is securely arranged in at least one of said hole. A wheel is mounted on each end of the shaft immediately adjacent the column which wheels support and carry the sleeve together with the article supporting surface.
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