| 摘要 |
The invention concerns a vertical sheet holder (figure 1) comprising an L-shaped bar made of iron, plastics or other material, the shape of which facilitates the attachment of the bar within the frame of the computer, where it is fixed (1), and, after being split at one end into two parts along its vertex, one of the parts remains in a straight position (2), whilst the other part is split and folded downwards, acting as a stop in the computer frame (3). Another bar, which is U-shaped and is inverted vertically (4), is screwed, riveted or soldered to the end of the straight part, the upper end of said U-shaped bar having two punched overhangs which are folded inwards (5), a half-cylinder, the front of which is striated, being fitted inside the two overhangs and the upper part being perforated (6), so as to be screwed by screws (7) made of plastic, wood or the like, which is a fundamental part of the invention, to the overhangs (5), the half-cylinder thus being attached but being free to move. This striated half-cylinder is also the fundamental part of the other three sheet holders, all of which are intended to be used for the same purpose, that is the automatic holding of sheets.
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