| 摘要 |
A foldable director's chair comprises a pair of armrest unit and leg frame unit. Each armrest unit and leg frame unit is hollow tube of which the right angle ends extending straightly downward or upward for a suitable length with their opening of the tubes corresponding to each other via a gliding tube connecting through the armrest unit and the leg frame unit. The diameter of the gliding tube is smaller than that of the tube of the armrest unit allowing one end of each gliding tube being able to engaged through the tube of the armrest unit and fixed to each other via nails and first retaining sleeve while another end being engaged through the leg frame unit without being fixed thereto allowing the armrest unit moving straightly upward or downward along the gliding tube. |
