| 摘要 |
A unit of a plurality of divided vibrating rollers for detecting an abnormality in switching of the position of a vibrating roller, and preventing occurrence of an abnormality caused therefrom is provided. The unit of a plurality of divided vibrating rollers includes a support member 6 fixed to a frame 7 of a printing machine; a plurality of movable members 8 of short circular cylinder shape attached to the support member 6 so as to individually reciprocate in the same direction; a vibrating roller 15 rotatably attached to the outer periphery of each movable member 8; and a change-over device 19, arranged on the support member 6, for individually switching the position of each movable member 8. A change-over detection sensor 102 for detecting the switching of the position of the movable member 6 is disposed at the portion of the support member 6 slidably contacting the movable member 8. |
