| 摘要 |
Adjusting device for postage metering and value stamping machines for adjusting printing rollers and cylinders which includes type wheels mounted in a printing cylinder having a shaft, each of the type wheels having a respective stepping motor operatively associated therewith for adjusting the respective type wheel by means of a respective toothed rack and a respective double toothed rack, the toothed racks and the stepping motors being disposed radially to the printing-cylinder shaft and the double toothed racks being disposed parallel to one another, a selective printing roller adjustable by one of the double toothed racks via a belt drive, the toothed racks and the double toothed racks being coupled by a hook-connection, one of the respective toothed and double toothed racks having a widened hook-shaped part, the double toothed racks being adjustable beyond a maximally required number of steps of the type wheels, and the ends of the double toothed racks being guidable laterally out of the printing cylinder for actuating respective levers to adjust, in stepwise manner, further printing rollers. |
