Top item holder

A top item holder for placing on a top of a screen, comprising:

• an anti-tilt means for preventing the top item holder from relatively tilting with respect to the screen;
• at least one slider;
• a slide rail, disposed on an upper portion of the anti-tilt means, the at least one slider being slidably disposed on the slide rail and being capable of sliding in a sliding direction within a sliding travel;
• and
• at least one holder unit, disposed on the at least one slider respectively,
• wherein, the slide rail has a first upper abutment surface and a first lower abutment surface, the at least one slider has a second lower abutment surface and a second upper abutment surface, the second lower abutment surface being adapted to abut against the first lower abutment surface, the second upper abutment surface faces toward the first lower abutment surface and is adapted to limit a vertical movement of the at least one slider, and
• wherein, the least one slider is removably disposed on the slide rail, the slide rail has an opening located in the sliding travel and adapted for the at least one slider to escape from the sliding travel;
• wherein the anti-tilt means comprises at least one n-shaped clamp, the clamp has a pair of jaws parallel to each other and the upper portion connecting the jaws;
• wherein the anti-tilt means has a pair of said clamps and a pair of support rods parallel to each other, each of the support rods connects one of the jaws of one of the clamps with one of the jaws of the other said clamp.