| 摘要 |
PROBLEM TO BE SOLVED: To enable storage furniture with revolving doors and storage shelves to revolve smoothly without using any assisting devices such as casters. SOLUTION: A hinge shaft 34 extends between a top plate 14 and a bottom plate 16, and supporting boards 36, 38 are attached to the top plate and the bottom plate as they can rotate. Two doors 18A, 18B which open and close and two storage shelves 20A, 20B are mounted to the common hinge shaft 34 with hinges 24A, 24B, 26A, 26B as the doors and the storage shelves can revolve. Cylindrical parts 24A', 24B', 26A', 26B' of the hinges 24A, 24B, 26A, 26B are inserted into the hinge shaft 34 consecutively so that each end of the cylindrical parts makes contact with the other end of the cylindrical part. The cylindrical part 24A' located at the bottom end makes contact with the supporting board 38 through an oilless washer 42.
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