| 摘要 |
Chassis for postage metering machines having a printing-cylinder shaft supported by ball bearings, including a base plate, a U-shaped frame carried by the base plate and formed with two similarly shaped legs having holes formed therein for accommodating the ball bearings of the printing-cylinder shaft, a peripheral edge defining the holes being formed with incisions for receiving therein means for adjusting the ball bearings in said holes, pivotable retaining brackets fastened to the legs, and two rods connecting the legs to one another at an open part of the U-shaped frame for mutually bracing the legs. |
