| 摘要 |
<p>The device has an adjustable wheel mechanism which is activated by electronically controlled drives (2). The drives for the perforating wheels (3) are fitted in recesses (5) provided on the periphery of the perforating wheel accommodation (1) or are axially displaced by at least one wheel width (d) on the periphery of the perforating wheel accommodation (1). The recesses are formed on the half periphery of the perforating wheel accommodation, alternating between the right and the left face sides (8,9) of the perforating wheel accommodation. The drives have a drive gearwheel (4), which according to the positioning of the perforating wheel (3) is engaged with the wheel inner teeth.</p> |
