| 摘要 |
Disclosed is a grade control apparatus of display set for tapestry. The apparatus includes at least two guide brackets attached to a wall; holding-down brackets for holding a display device, each having one end being pivotably connected to one end of the corresponding guide bracket; adjusting link transmission shafts installed within each guide bracket, each having one end on which a bevel gear is installed and the other end on which a shifting boss is installed; an angle adjustable shaft being installed between the guide brackets and having gears for being engaged with each bevel gear; and an angle adjustable hand lever for receiving an external force, the angle adjustable hand lever being formed on at least one angle adjustable shaft. The present invention easily adjusts the angle of the display device so as to comply with a user's wishes, and finely adjusts the angle of the display device by a small force.
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