| 摘要 |
PURPOSE: A chair structure enabling users to push a backboard to the back is provided to easily return the backboard of a chair to the original position by removing the force pushing the backboard. CONSTITUTION: A chair structure includes a seating plate(10), a mounting frame(20), a first supporting leg(30), a second supporting leg(40), a connection frame(50), and a supporting member(60). The seating plate is mounted on a mounting frame. The first supporting leg includes a first front frame, a first supporting frame, and a second rear frame. The second supporting leg includes a second front frame extended from the mounting frame, and a second rear frame. The supporting member offers elastic force to the mounting frame and the connection frame connecting the first and second rear frames.
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