| 摘要 |
The present invention relates to a detachable backrest which is mounted on a chair with a flat backrest. The detachable backrest comprises a pair of backrests mounted on both sides and a main frame which is detachably connected to the flat backrest. The main frame has, on both sides thereof, fixed loops which are combined with the side of the flat backrest and formed in the shape of a bar or a rod. The main frame also has an upper loop fixed to the top of the flat backrest so that the pair of backrests are mounted on both sides of an existing chair, thereby improving user convenience. |
