| 摘要 |
A transferring guide device usable with an image reading sensor unit of a scanning apparatus includes a guide holder installed at the image reading sensor unit and a guide rail installed at a scanning apparatus body. The guide holder slide-contacts the guide rail, and slide contact surfaces on which the guide holder contacts the guide rail are plane. The guide holder point-contacts or line-contacts the guide rail, and as a result, a friction force between the guide holder and the guide rail is weak.
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