| 摘要 |
PROBLEM TO BE SOLVED: To easily adjust a tension load of a tension bar on a printing medium in a wide range.SOLUTION: A tension bar is supported by support bodies provided on the right and left of a printer body in a freely ascending/descending manner, the tension bar is arranged in a conveyance path of a printing medium so as to be in pressure-contact with the printing medium, a weight acting in a direction of subtracting the heaviness of the tension bar is arranged on one support body side of the right and left support bodies, an adjustment member is arranged on the other support body side, the weight on the one support body side and one end of the tension bar are connected by a connection member so as to interlock in the ascending/descending direction, the adjustment member and the other end of the tension bar are connected by a connection member so as to interlock in the ascending/descending direction, the plurality of weights are coupled to the adjustment member in a selectable manner, and a guide for guiding the connection member is provided so that the heaviness of the selected weight on the adjustment member side acts in a direction of subtracting or adding the heaviness of the tension bar.SELECTED DRAWING: Figure 1 |
