| 摘要 |
<p>The present invention relates to an extendable ready-to-assemble table frame that can be assembled and disassembled in one step, and maintain excellent structural rigidity when assembled. The table frame comprises: a vertical frame having a horizontal unit on an upper portion thereof and having a rectangular cross section; and a plurality of horizontal frames that can be attached to and detached from the vertical frame using a joining unit; wherein the joining unit comprises a first joining member and a second joining member; the first joining member encloses a side surface and a lower surface of an end portion of the horizontal frame, and has a pair of first convex units protruding downwards and a pair of first concave units next to the pair of first convex units on an end portion thereof; and the second joining member whose rear end mounts on the horizontal unit of the vertical frame and whose front end encloses the side surface and the lower surface of the end portion of the horizontal frame, protrudes in a front direction, and comprises a pair of second convex units and a pair of second concave units that correspond to the pair of first convex units and the pair of first concave units.</p> |
