Functional lifting platform for teaching instrument
The functional lifting platform for the teaching instrument comprises a base, supports are fixedly connected to the front and rear corresponding positions of the left side of the top end of the base, second supporting rods are rotationally connected to the top ends of the supports, and the top ends...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The functional lifting platform for the teaching instrument comprises a base, supports are fixedly connected to the front and rear corresponding positions of the left side of the top end of the base, second supporting rods are rotationally connected to the top ends of the supports, and the top ends of the second supporting rods are fixedly connected to the front end and the rear end of a first sliding rod respectively; groove boxes are fixedly connected to the positions, corresponding to the supports, of the right side of the top end of the base, the front end and the rear end of a second sliding rod are slidably connected into the groove boxes, first supporting rods are fixedly connected to the front end and the rear end of the second sliding rod, and the top ends of the first supporting rods are rotationally connected to the front side and the rear side of the bottom end of the table top. The front ends of the sliding rails are slidably connected into sliding grooves, the front ends of the sliding grooves a |
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