| 摘要 |
A mounting means for a pair of nip rollers which comprises at each end of the pair of rollers an external mounting plate and an apertured plate, each roller of the said pair having at each end a spindle mounted in a spindle bearing, the bearings passing through one of the apertured plates and being connected to one of the mounting plates, the bearings connected to one roller being a fixed pair and the bearings connected to the other roller being a movable pair, the movable pair being biassed towards the fixed pair, each apertured plate having an aperture in which one of the fixed bearings is located and an aperture in which one of the movable bearings is located but which is greater in area than the diameter of the movable bearing, each movable bearing being attached to one of the mounting plates by a peg mounted thereon that locates in an aperture that is eccentric with regard to its centre so that the bearing is able to rotate about the peg in a direction towards or away from the fixed bearing, the amount of rotation being limited by the shape of the aperture in the apertured plate in which it is located.
|
