| 摘要 |
The invention relates to a device for storing a high number of image-bearing boards, which can be used for didactic use in teachers' activity or at home, for didactic, artistic or combined purposes, as desired. According to the invention, the device has a switch (11) starting a motor (10) which rotates an axle (12) in a direction opposite to another motor (3), on which some boards (4) placed in an upper cylinder (2) are wound, having some hangers (1) for wall-hanging, a switch (15) for switching-on a LED bulb (9), an opening slot (21) in the upper cylinder (2), two rods (8) arranged into one another, which can adjust the size of the image-bearing boards (4) due to some holes (5) and some nails (23), having a joint (6), a switch (14) for the motor (13) which rotates an axle (17) and wounds the boards (4) which are placed within a lower cylinder (3), an opening slot (22) in the lower cylinder (3), having a surface (16) on which there is written the content of the boards (4), the name of the drawing (19), the board number (20), a current plug (18) for a voltage of 220 V, having also an electrical diagram, some magnets (24) which can fix some paper sheets on a metal surface (25), a watch (26) indicating the minutes, hour and date, and, a marker pen (27) intended to write on the plastic surface of the board (4) which can be rubbed by means of a sponge (28). |
