| 摘要 |
A heat roller device includes a frame, a hollow cylindrical fixing roller accommodating therein a heat source for fixing a toner image on a recording medium; a driving gear for driving the fixing roller; a first flange shaped bearing having a base attached to the frame and a projection extending from the base in order to accommodate the driving gear, for rotatably supporting one end of the fixing roller; and a second flange shaped bearing having a base attached to the frame, a projection extending from said base and a pair of hooks integrally extending from the projection for preventing movement of the fixing roller in its longitudinal axis, when the fixing roller is driven by the driving gear.
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