| 摘要 |
A foldable frame structure of the foldable table or bed comprises main frames, secondary frames, L-shaped folding hinges and connecting members. An adjacent side of each main frame and the secondary frame is formed a foldable joint which is connected by the connecting members and the L-shaped folding hinges. The size of the secondary frames is smaller than the main frames, wherein each of the secondary frames is able to be folded in the main frames.
|
