| 摘要 |
<P>PROBLEM TO BE SOLVED: To reduce occurrence of interlayer displacement when transporting continuous copying paper 3 by a pin tractor. <P>SOLUTION: This pin tractor includes a plurality of pins fitted to a plurality of sprocket holes 30 formed at equal intervals on continuous copying paper 3 to be transported, wherein the plurality of pins include pins 11 each having a size fitted to the sprocket hole 30, and large-diameter pins 12 each having a diameter larger than that of the pin 11. The large-diameter pin 12 may be an elliptic pin 42. The continuous copying paper 3 is structured to be transported by being always fitted to three pins on a tractor belt 10, and the large diameter pin 12 having the large diameter is arranged every three pins. <P>COPYRIGHT: (C)2012,JPO&INPIT |
