| 摘要 |
Structure has control bar (33) inserted into side of housing body and is fastened in it and with stay bar in middle part and is arranged for forming connection over pair of U-shaped slots, whereby these u-shaped slots are located on opposite side by holding with help of mounting plate part (332) on one side of control bar. These can be fastened at the other end for moving a supporting and connecting part, so that these can be moved upward and downward. After detachment of the control bar the stop element, by the force of the compressed spring, is brought into its initial position and the stop part of the stop element and the locking part of the latch engage into one another and sliding base (2) can be adjusted at any height. |
