Full-automatic myopia prevention and humpback prevention intelligent table and chair
An anti-myopia, fully automatic technology, applied to tables, chairs, chairs with vertically adjustable seats, etc., can solve problems such as increased burden on the legs and temples, unreasonable structure of chairs, and curvature of the spine, so as to facilitate reading and protect eyesight , the effect of preventing myopia
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[0020] Referring to the attached figure, the fully automatic anti-myopia hunchback intelligent desk and chair includes a chair base 1, a tabletop lower bracket 2, a backrest bracket 3 is fixedly installed on both sides of the chair base 1, the backrest bracket tilts backward by 10°-20°, and the backrest bracket 3 There are several seat surface adjustment holes 4 and backrest adjustment holes 5 on the top, and the middle parts of the backrest brackets 3 on both sides slide and fit with the seat surface 6, and the seat surface 6 is vertically positioned in the seat surface adjustment holes 4 of the backrest bracket 3 through the latch. The upper part of the backrest support 3 is slidably fitted with a backrest 7, which is vertically positioned in the backrest adjustment hole 5 of the backrest support 3 through a latch. The upper end of the backrest 7 is provided with a pillow backrest 8, and the rotation of the pillow backrest 8 is provided with a backrest shaft. 9. The two ends ...
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