| 摘要 |
A height adjustable desk leg is disclosed. The height adjustable desk leg supporting an upper plate of a desk comprises: a gear box (300); a screw bolt (506) rotated by the gear box (300); a second cylinder (504) accommodating the screw bolt (506), wherein an upper portion is opened; and a screw nut (508) fixated to an upper end of the second cylinder (504) and screwed to the screw bolt (506). |
