| 摘要 |
The chair armrest support includes a hollow upper pillar for connecting an armrest and a lower pillar mounted on a chair. The lower pillar penetrates into the upper pillar for form a slidable connection. The lower pillar includes a main body, a sleeve, a positioning board, a T-shaped frame and a linking board. The main body has a hollow portion accommodating the positioning board, T-shaped frame and linking board. The main body is put in the sleeve. There is a positioning slot in the positioning board. A vertical portion of the T-shaped frame penetrates in the main body, and a horizontal portion is fixed atop the upper pillar. A spring is disposed between the horizontal portion and linking board. The linking board is provided with an inclined hole corresponding to a limiting hole of the vertical portion. A bolt penetrates the limiting hole, positioning slot and inclined hole. A handle beside the upper pillar is fixed to the linking board. |
