| 摘要 |
The roller (6a,6b) is fixed to a holder-bar (8a,8b) which is fixed by a link (15) in the middle of the bar to a pressure lever (9a,10a;9b,10b) which swivels towards the driving drum (5). The power arm (10a,10b) of the two-armed pressure lever has a spindle (12a,12b) for adjusting the pressure force. The power arm is positioned under the work arm (9a,9b) of the lever to which it is joined by a pivot shaft (11a,11b). The end of the spindle facing away from the power arm is fixed to the bracket of the belt conveyor. |
