| 摘要 |
PROBLEM TO BE SOLVED: To solve a problem that the number of components is large and manufacturing cost is high, because a driven roller unit in a paper feeding system of a printer comprises five components, namely a roller holder, two driven rollers, a pivoting pin, and a torsion spring. SOLUTION: The driven roller unit 3 in a paper feeding mechanism of the printer comprises the pair of driven rollers 5, a pair of pivoting shaft portions 6 for respectively pivoting these driven rollers 5, a pair of roller supporting frame portions 7, a pair of torsion springs 8, a pair of auxiliary frame portions 9, and a loop portion 10 for connection. A part other than the pair of driven rollers 5 is continuously structured with one metallic filament.
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