| 摘要 |
PURPOSE: An office chair with a lever bolt is provided to rapidly combine an upper plate and a lower plate and to prevent the upper plate from being separated from the lower plate. CONSTITUTION: An office chair with a lever bolt comprises a seat plate, a seat back, and legs. The seat plate comprises an upper plate(10) comprised of a loop and a first groove, a loop groove(21) which is hung on the loop, a lower plate(20) in which a second groove is formed in a location corresponding to the first groove, and a lever bolt which combines the upper plate and lower plate. In the bottom of the first groove, a first slot is formed in the diametric direction. In the bottom of the second groove, a second slot is formed in the diametric direction. |
