| 摘要 |
PURPOSE: A device for adjusting the angle of the upper board of a table is provided to improve durability regardless of long term use. CONSTITUTION: A device for adjusting the angle of the upper board of a table includes an upper board, legs, an upper board support stand (300), a shaft fixing frame (400), and an operation unit (500). The upper board has a plate shape. The legs are installed at the lower part of the upper board. A pair of upper board support stands are fixed to both sides of the lower part of the upper board and include a support piece having a shaft fixing hole. The shaft fixing frame includes a shaft fixing unit, hanging grooves, and a leg joint. The shaft fixing frame is rotationally coupled with the shaft fixing hole. The hanging groove is formed on the external circumference of the shaft fixing unit. The operation unit controls the folding and spreading of the upper board of the table. One end of a control member hangs on the hanging groove through the top of the upper board support stand or is separated. |
