| 摘要 |
PURPOSE: A height-adjustable apparatus for preventing the falling of foreign materials to workpieces loaded on a hanger is provided to prevent the falling of the foreign materials and to stably control the height of the apparatus. CONSTITUTION: A height-adjustable apparatus for preventing the falling of foreign materials to workpieces loaded on a hanger comprises first units(200) and second units(200'). The first and second units are continuously connected by hinges(233). The first and second units respectively comprise a rail(210), a channel(220), and a side plate(230). The rail has a first protruded part(211). The channel is fixed in the rail and has second protruded parts(221,222). The side plate has third protrusion parts(231,232) and the hinges for connecting the first and second units. |
