| 摘要 |
mechanical engineering. SUBSTANCE: cart has base with running wheels, bar detachably fixed to base and equipped with running wheel. Bar has a number of openings arranged through height thereof and slot formed in upper part thereof and adapted for retaining of handle. Openings are formed in base as well as in tray ends: large opening is adapted for engagement with bar, which may be turned in horizontal plane, and small opening is adapted for fixing trays relative to base and one relative to another by means of conical hollow retainers. Trays are fixed relative to bar by means of L-shaped retainer, which is inserted into bar opening. EFFECT: simplified construction, convenient use and wider operational capabilities. 3 cl, 8 dwg
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